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MUC LUC Trang MODAU ChUOng 1: TONG QUAN VE CAC PHl/ONG PHAP PHAN ClTC KICH THICH DONG MOT CHIEU 1.1 13 Vai net ve lich su phat trien ctia phuong phap ph^n cue kich thich J3 1.2 Coche ciia hien tucmg phan cue kich thich 1.3 Cac phuong phap phan cue kich thich thuong dung \j 21 1.3.1 Mot so he cue cabdn 21 1.3.2 Mot vai phuangphap sdu PCKT thong dung 24 1.4 Diem qua m6t vai phuofng phap s^u dien tro vi phan da duac de xuat cai tien 30 1.4.1 Phuofng phap sdu dien chung 30 1.4.2 Phuang phap sdu khdu trittrudng 33 1.4.3 Phuang phap sdu dien doi xitng ludng cue hap nhdt 35 1.4.4 Mot so nhdn xet ve edc phuang phap sdu dien tra vi phan da duae de xudt edi tien 1.5 38 Cac ton tai chinh ap dung phuofng phap phan cue kich thich dong mot chieu o Viet Nam K^luan 42 45 Chuang 2: NHUNG DE XUAT U6\ TRONG PHUONG PHAP DO SAU PHAN c u e KICH THICH 47 2.1 Dat va'nde 4-7 2.2 G\6\ thieu cac thong so PCKT mdi 48 2.3 Ca sof de xuat cac phuang phap sau PCKT cai tien 50 2.3.1 Ca sd de xudt phuang phap sdu PCKT doi xung cai tien 50 2.3.2 Ca sd de xudt phuang phap sdu PCKT luang cue cai tien 51 2.4 52 Gioi thieu cac he cue sau phan cue kich thich cai tien 2.4.1 He cue sdu PCKT doi xicng edi tien 52 2.4.1.1 Mo td he cue sdu PCKT doi xicng edi tien KM-01 52 2.4.1.2 Qui trinh dgc ngodi thue dia 55 2.4.2 He cue sdu PCKT luang cue edi tien 56 2.4.2.1 Mo td he cue sdu PCKT ludng cue true edi tien KM-02 57 2.4.2.2 Mo td he cue sdu PCKT ludng cue xieh dao edi tien 58 2.4.2.3 Qui trinh dge ngodi thue dia 60 2.4.3 Mot so nhdn xet 61 Ket lutin 64 Chuofng 3: HUCiNG PHAT TRIEN MC*I VE X U L Y , PHAN TICH TAI LIEU DO SAU PHAN c u e KICH THICH 3.1 Dat van de 3.2 Cac phep bien doi mdi - mot hudfng phat trien \t xu ly, phan 65 65 tieh tai litn sau PCKT 67 3.2.1 Phuang phap sdu PCKT doi xicng 67 3.2.2 Phuang phap sdu PCKT luang cue 70 3.3 75 Tmh cac thong so PCKT mdi tren mo hinh ly thuyet 3.3.1 Tinh cac dudng cong sdu dien tra va sdu phdn cue tren mdi trudng lap 3.3.1.1 Casdly thuyet 3.3.1.2 Cac kit qud tinh todn 75 75 78 3.3.2 Kiem ehicng tinh dung dan vd tinh uu viet eua edc phep bien doi mdi tren mdi trudng Idp 3.3.2.1 Doi vdi phuang phap sdu PCKT doi xicng 81 81 3.3.2.2 Doi vdi phuang phap sdu PCKT ludng cue 84 3.3.3 Mot so nhdn xet ve tinh chat ca bdn vd khd ndng eua ede thong sdmdi khdo sat mdi trudng dia chat 3.4 86 Kiem chutig tinh dung d^n va tinh uu viet ciia cac phep bien 87 d6i mdi tren moi trucmg thuc td' 3.4.1 Doi vdi phuang phap sdu doi xicng PCKT 88 3.4.2 Doi vdi phuang phap sdu PCKT ludng cue 90 3.5 Cong thiic bien doi Petrovski cai tien 96 3.6 Gidi thieu ve he chuang trinh xir ly, phan tich 98 98 3.6.1 Ngon ngUMatlab 3.6.2 He chuang trinh xu ly, phdn tieh 100 Ket luan 101 Chuang 4: CAC KET QUA THlTNGHIEM 103 4.1 N6i dung ap dung thir nghiem thuc te eua cac d6 xuat mdi 103 4.2 Ket qua ap dung cac di xuat mdi de khai thac tai lieu sau PCKT doi xiing da c6 104 4.2.1 Dae diem dia chat vd tinh chat vat ly cua tuyen 20 104 4.2.2 Ket qud xu ly, phdn tich tai lieu sdu PCKT doi xung 105 4.2.2.1 Ket qud theo tai lieu sdu PCKT doi xicng thong thudng 105 4.2.2.2 Ket qud dp dung ede de xudt mdi dekhai thde tai lieu 108 4.3 112 Ket qua ap dung phuang phap sau PCKT luang cue cai tien 4.3.1 Dae diem dia chat vd tinh chat vat ly cua tuyen Sll 112 4.3.2 Ket qud xic ly, phdn tich tai lieu 112 Ket luan 118 Ket luan va kien nghi 121 Tai lieu tham khao 125 MODAU Tinh can thiet cua de tai: Cac phuang phap Dja Vat ly la nhung cOng cu manh dung de nghien cun trai dat Chung lien tuc duge bo sung, hoan thien va phat trien Trong to hop phuang phap Dia Vat ly tham do, cac phuang phap Phan cue kich thich (PCKT) chiem mot vi tri quan va hien vSn la mot nhiing phuang phap Dia Vat ly tham thong dung nhat So vdi phan Ian phuang phap Dia Vat ly khac, phuang phap PCKT eo nhiJng uu diem nhu: chu tiinh ky thuat dac tuang doi dan gian va khong doi hoi may mdc thiet bi qua phiic tap, tinh vi; xit ly so lieu nhanh chong bang tay hay tren may tinh vdi chi phi thap nhung kha nang giai quyet da dang, hieu qua kinh t6' cao Do do, phuang phap PCKT da dugc ap dung of nhieu nude tren the gidi va ca a nude ta, thudng chiem mot ty le kha cao khoi lugng tham dien ndi chung, no cang dugc su dung bien cong tac tham Dia Vat ly Sau nhi6u nam lien tuc phat trien, phuang phap PCKT da trdf mot phuang phap chii dao de nghien euru dia chat c6 hieu qua kinh te va khoa hoc cao Cac phuang phap PCKT cho phep xac dinh su thay doi dien tra suat va phan cue theo chi6u sau cua v6 trai dat, dugc sir dung rong rai d^ ve ban dia chat, nghien ciiu cau true, tim kiem cac khoang san c6 ich cQng nhu dia chat cong trinh va dia chat thuy van Nhiem vu chii yen ciia phuang phap PCKT la chi dugc vi tri tuang d6i cua cac doi tugng dia chat can tim Trong nhimg dieu kien thuan Igi cd the xac dinh b6 day cac I6p dat da cau lat cat dia-dien, hinh dang, kich thude, chieu sau the nam cua cac doi tugng nghien cuu pham vi sai so cho phep cua phuang phap Nhu chung ta da biet, of nude ta tir trudc den nay, cac tham so truyen thong da va dang dugc sir dung bien viec xir ly, phan tich tai lieu PCKT la phan cue bieu kien % va dien trd sua't bieu kien A • Co nhieu each khac nhau: tinh toan cac dudng cong 7^ va p^ d6'i vdi moi trudng phan Idp, dong nhat, song phing ngang tren may vi tinh bang phuang phap lua chon de xay dung cac ban chuan; tinh 7^ f(ABl2) true tiep tii dudng cong p^ = f{ABI2)\ chuyen cac gia mat cat cac mat cat ban dinh lugng; su dung cac tham so thuc nghiem S, va Z^ (vdi 5,1a thdi gian ma tai cd phan cue giam di mot nua, Z^ = 0,75 5^ % ) ; phan cue bieu kien tuang dd'i A^ va phan cue bieu kien tong hgp Al, toe suy giam the phan cue Vpc Tuy nhien, phai cong nhan rang vi th6ng tin ngheo nan va phuang phap xir ly, phan tich cdn han ehe nen ket qua thu dugc chua dap ling dugc ydu cau mong muon Cd the diem qua mot vai nguyen nhan ciia tinh trang tren la do: + Chi true tiep dugc tiing loai dudng cong ling vdi m6t loai \\t cue nen chi phan anh dugc mot dac trung nao ciia moi trudng nghien ciiu + Cac cong thiic chuyen doi giua cac dudng cong nham thu dugc nhieu loai thong tin cho den vSn chua thuc su cd hieu qua, doi cdn lam cho "meo" thong tin va khdng on dinh + Cac phuang phap s6 dung de xu ly, phan tich da dugc nang cao ap dung nhung tuu mdi hien dai cua Toan hoc va Tin hoc, nhung van cdn nhieu han che tinh khong on dinh va da tri cua bai toan ngugc Doi vSn chi luan giai mot each dinh tinh va chi sir dung dau hieu diem gSy hoac diem udn ciia dudng cong de du bao hoac cdn sir dung qui luat bien doi ciia dudng cong dien trd de gan cho cac Idp dia - dien cac gia tri phan cue bieu kien dugc bang thiet bi tuang duang vdi dudng cong dien trd Chinh vi vay ma d6i cdn nh^m Ian du bao cac di thudng trien vong khoang san, lien ket di thudng cdn chua dat y6u cau mong muon Lam th6' nao de khac phuc tinh trang nay, nham nang cao tin cay, tao dieu kien md rong pham vi ap dung ciia phuang phap PCKT ditu kien dia-di6n phiie tap? Do chinh la mot muc tieu kha hap dan da I6i cudn su dau tu suy nghi ciia kha nhi6u nha khoa hoc trdn the gidi va nude nhieu nam qua Cd the ndi rang cho den hau nhu tat ca cac tac gia deu tap trung sure lue cua minh theo hai hudng chinh sau: • Cai tien cac he thiet bi (may mdc, he cue do, phuang phap ngoai thuc dia ) de cd the true tiep dugc cac thong tin can thiet ngoai thuc dia • Tim cac cong thiic de tinh chuyen doi giiia cac loai dudng cong nham tang lugng thong tin phuc vu cho cong tac xir ly, phan tich Tuy vay, cac he thiet bi cdn phiic tap ca ve he cue ISn cac phep do; c6ng thiic bi6n doi giua cac dudng cong cdn phai tinh qua phep dao ham khong on dinh Mac du cd nhi6u cd gang nhung cho den nay, dieu ba't hgp ly neu tren vSn chua dugc hoan toan giai quyet Chung toi cho rang cd the giai quyet tirng phan hoac triet de nhiing van di ca ban cdn ton tai neu tren m6t each thiet thuc (tuy theo muc dich va doi tugng nghien ciiu) bang each ket hgp ca hudng de xuat cac thong sd PCKT mdi cd nhiing uu diem han (nhu phan giai cao han, tong hgp thdng tin han ) vdi viec cai tien cac he thiet bi do, tim cac edng thiic bien doi thong tin chinh xac han Cd nhu vay mdi mong tang them nhieu thong tin khac loai thu dugc tuf moi trudng thuc te, nham lam phong phii han cac thong tin, tang chinh xac phuc vu cho cong tac xu ly, phan tich dat hieu qua nhat De thuc hien dugc y tudng nay, pham vi de tai luan an, vdi mong mudn gdp phan khac phuc nhiing ton tai tren, chiing toi da nghien ciiu de xua't cac thong sd PCKT mdi (dac bi6t la thong sd PCKT Petrovski ) de xir ly phan tich tai li6u PCKT hieu qua han Tur cac ket qua thu duge bang mot loai he cue thdng thudng nao dd ta vSn cd dugc thong tin tin cay cua cac loai dudng cong khac thong qua cac phep bien doi dai sd dan gian Tat ca cac thong tin da dugc khai thac triet de he chuang trinh tu dong xir ly, phan tich tong hgp, ma nd dugc viet bang ngon ngu cap cao MATLAB nhu mot san pham phan mtm vdi cac chiic nang hoan toan tien ich, dd sir dung, gan giii vdi thuc te Giai phap khong chi da dugc chiing minh bang mo hinh ly thuyet, ma cdn da dugc kiem nghiem tren moi trudng thuc te vdi cac he cue va cac phep mdi ma tac gia da dt xuat, dac biet cdn dugc ap dung de khai thac cac tai lieu thuc te cu ciia phuang phap sau PCKT thong thudng, lam md rong va nang cao tinh hieu qua kha nang ap dung thuc te cua phuang phap Day la mot van d6 hap dan, hoan toan mdi can thiet phai lam, dd Cling chinh la hudng suy nghi nghien ciiu va ket qua dat dugc cua tac gia thdi gian qua Muc tieu va cac nhiem vu cua luan an: • Muc tieu: Hoan thien he chuang trinh xir ly, phan tich tai lieu PCKT tren ca sd de xua't thong sd PCKT mdi 7^; thiet lap cac phep bien doi dai sd dan gian, ap dung de tinh toan khai thac, bo sung them cac thong tin cd ich doi vdi tai lieu PCKT da cd tCf trude den nay, cung nhu ap dung cho cac tai lieu mdi thu dugc bang cac phuang phap cai tien nham nang cao chinh xac cua phuang phap • Cac nhiem vu: Tim hieu, phan tich tong hgp nhiing ket qua nghien ciiu cua cac tac gia trudc Dua va xay dung ca sd ly thuyet ciia thong sd PCKT Petrovski Dua tren nguyen ly chong cha't dien trudng, dua cac cong thiic bi6'n d6i giiia cac dudng cong PCKT cho khac phuc dugc cac nhugc diem ca ban ve tinh khong on dinh cdn tdn tai tii trudc den Chiing minh tinh diing dan cua cac phep bien doi dd tren mo hinh ly thuyet va kiem nghiem tren moi trudng thuc te xay dung cac thuat toan xir ly, phan tich qua cac phep bien doi dai sd neu tren va thiet lap he chuang trinh tu dong tuang ling bang ngon ngii MATLAB Cai tien cac he cue va quy trinh nham thu dugc thong tin dSu vao phu hgp de xir ly Tien hanh thir nghiem ap dung phuang phap mdi thuc te, ciing nhu khai thac cac tai lieu da cd de cd ket luan \t tinh hieu qua cua cac de xuat theo hudng phat trien xir ly, phan tich mdi 3, Cac ket qua mdi: Lan dau tien de xuat va sir dung thong sd PCKT Petrovski /j^ mdi ed phan giai cao, xay dung dugc ca sd ly thuyet va chiing minh dugc cac uu diem cua chiing so vdi cac tham sd truyen thong p^, rj^ , Dua dugc cac phep bien doi mdi gifla cac dudng cong sau PCKT Da chiing minh dugc tinh diing dan ciia cac phep bien doi dd tren mo hinh ly thuyet va moi trudng thuc te Day ciing chinh la mot phan thuat toan xir ly, phan tich tai lidu PCKT theo hudng mdi de xuat Vdi thuat toan da thiet lap, xay dung dugc he chuang trinh tu dong bang ngon ngir MATLAB nhu mot san pham phSn mem vdi cac chiic nang hoan toan tien ich, d6 sir dung, giao dien va dd hoa tot, gan giii vdi thuc te Cai tien cac he cue va quy trinh hgp ly nham giam thieu cac phep do, khdng lam phiic tap quy trinh thuc dia ma ta vSn cd dugc dii thong tin can thiet Ket qua do, xir ly va phan tich tai lieu theo phuang phap mdi, eQng nhu ap dung khai thac cac tai lieu p^, 7^ thuc te da cd de cd dugc 7^ vdi phan giai cao, chieu sau nghien ciiu Idn da chiing minh hieu qua dia chat ciia de xua't mdi ap dung thuc te 4, Y nghla khoa hoc va thiic te: • Y nghia khoa hoc: Thong sd PCKT Petrovski 7^ dugc xac lap va khai thac cd ca sd khoa hoc, lam tang dang ke lugng thong tin hiiu ich Chiing cd phan giai cao nen phan anh sat thuc han hieu ling PCKT cua cac doi tugng nghien ciiu; tang phan giai doi vdi cac di thudng yeu Phep bien doi thong tin da dt xua't va sir dung chi qua cac phep tinh dai sd dan gian, khdng phai thuc hien qua cac phep tinh dao ham cd tinh khong on dinh, nen chiing da khac phuc dugc cac nhugc diem cdn ton tai trudc day Cac phep bien doi cd tin cay va khoa hoc cao Phat trien he thong chuang trinh xir ly, phan tich tai lieu PCKT tren ca sd cd lua chon thong tin dang tin cay nhung mang tinh tong hgp han De xua't cai tien he cue va qui trinh hgp ly, thuan tien, cd tinh kha thi thuc te • Y nghla thuc te: \ Hudng xir ly, phan tich tai lieu PCKT mdi thong qua cac phep bien d6i da de xua't lam ro han va tang dd tin cay ciia cac ket qua du bao dia chat vi lam phong phii them nhieu thong tin bo ich Trong trudng hgp thuan Igi cd the dung kd't qua du bao de theo doi, phat hien cac ddi tugng can tim Md rong va nang cao kha nang ap dung ciia phuang phap PCKT, chang nhiing ddi vdi cac phuang an mdi, ma cdn khai thac bo sung them dugc cac thong tin cd ich khac giiip cho cong tac xir ly, phan tich tai lieu 10 PCKT eua cac phuang phap cii da cd trudc day Trong trudng hgp cd the cdn giiip cho viec kiem tra, phat hien cac ddi tugng can tim ddi vdi cac phuang an cii da dugc thuc hien Kha nang thir nghiem va ap dung vao san xuat la hien thuc Cac luan diem mdi chii yeu cua luan an Tir cac ket qua thu dugc bang m6t loai he cue thong thudng nao dd ta vSn cd dugc thong tin tin cay cua cac loai dudng cong tuang ling vdi cac he cue khac thong qua cac phep bien doi dai sd dan gian khong phai tinh dao ham, nen da md rdng va nang cao cd hieu qua kha nang ap dung thuc te cua phuang phap Y nghia cua viec de xuat thong sd PCKT mdi Petrovski 7^, ed phan giai cao va mang tinh tong hgp Phat trien he chuang trinh tu dong xir ly, phan tich tai lieu PCKT bang ngon ngii MATLAB, theo hudng khai thac thong sd PCKT Petrovski ^^va cac phep bien ddi da de xuat, nham xir ly, phan tich tai lieu PCKT hieu qua han Bd cue cua luan an Ngoai phan md dau, phan ket luan va kien nghi, danh muc cac tai lieu tham khao, ngi dung luan an dugc trinh bay chuang Chuorng 1: Tong quan ve phuang phap sdu phdn cue kich thich ddng mot chieu, Trong chuang chiing tdi trinh bay vai net ve lich sir phat trien ciia phuang phap phan cue kich thich (PCKT); ca che cua hien tugng PCKT; nhiing net tong quan hien trang eua cac phuang phap sau dien vi phan tren the gidi va nude cd lien quan den de tai, danh gia uu diem va nhugc 119 + Cac ke't qua hoan toan phu hgp vdi mat cat thuc te + Dua dugc lugng thdng tin cd ich nhieu hon, giiip cho cac nha Dia Vat ly cd co sd lua chgn md hinh vat ly - dia chat hgp ly hon + Cac ket qua bien doi sang dudng cong Petrovski cho su phan di tdt hon va dinh xii rd hon cac ddi tugng nghien ciJu so vdi cac phuong phap bien d6i thdng thudng da ap dung tCr trudc den + Cae ke't qua chiing td cd the cho phep ap dung cac phuong phap xii ly, phan tich ma tac gia da de xuat dd'i vdi tai lieu sau PCKT theo cac phuong phap co truyen vdi muc dich lam tang them lugng thdng tin va tin cay giai doan ket qua tai lieu Day la mot van de hoan toan mdi va rat thiet thuc ddi vdi phuong phap sau PCKT Nhu vay, lam tang kha nang ap dung cua phuong phap sau PCKT thuc te Tie'n hanh sau PCKT bang cac he cue cai tien cd qui trinh tuong ddi don gian, quen thugc, gan gidng vdi cac phuong phap thdng thudng, khdng gay phiic tap cho qua trinh thi cdng vi chi can bd tri lai cac dien cue theo kich thudc he cue cai tien (cac he so he cue da dugc tinh trudc) Vi the' cd the de dang ap dung duge vao san xuat Trong dd ta thu dugc nhieu thdng tin cd ich hon, giiip cho viec nang cao tin cay cua ket qua giai doan tai lieu, ddng thdi cac ket qua mang tinh dinh lugng cao hon Can nhac lai, ap dung sau PCKT bang cac he cue cai tien cho cac phuong an mdi ta tha'y: * Chi can bang he cue ddi xiing cai tien, ta se tinh dugc dudng cong sau luong cue true cai tien va dudng cong sau Petrovski ma khdng phai true tiep ngoai thuc dia * Chi can bang he ludng cue true cai tien, sau dd tai khoang each cudi cua he ludng cue true them gia tri sau luong cue xich dao, ta se tinh dugc cac dudng cong sau ddi xiing va dudng cong sau Petrovski ma 120 khdng phai true tiep ngoai thuc dia Ddng thdi ta cung cd ca dudng cong sau cho canh giiip cho viec danh gia miic bat ddng nhat ciia mdi trudng 121 KET LUAN VA KIEN NGHI Tren CO sd nghien ciiu cac phuong phap sau dien ndi chung, cac phuong phap sau PCKT ndi rieng; sau nit dugc nhiing nhan xet uu diem, nhugc diem cua cac phuong phap ca ve he cue do, cac tham sd thudng sir dung, cung nhu each thiic xu ly, phan tich tai lieu PCKT, tac gia luan an da xac dinh muc tieu cua de tai la: Hoan thien he ehuong trinh xu ly, phan tich tai lieu PCKT tren co sd de xuat thdng so PCKT mdi 7^cd phan giai cao; thie't lap cae phep bie'n doi dai sd don gian, ap dung de tinh toan khai thac, bd sung them cac thdng tin cd ich dd'i vdi tai lieu PCKT da cd tir trudc de'n Cling nhu ap dung cho cac tai lieu mdi thu dugc bang cac phuong phap cai tie'n nham nang cao dd chinh xac cua phuong phap Nham dat dugc muc tieu tren, tac gia da de nhiem vu cu th^ va tiing budc thuc hien giai quye't chiing mot each trgn ven Nhu vay mdt hudng mdi ve xii ly, phan tich tai lieu da dugc di xua't va thii nghiem ed ket qua budc dau tuong ddi kha quan, khac phuc dugc mot sd han che cdn tdn tai tiJf trudc tdi nay, dac biet la cac phep bien ddi thdng tin giiia cac dudng cong sau dien trd, ciing nhu sau PCKT Hudng phat trien mdi cd the se gdp phan cung cap them cac thdng tin cd ich cdn chua khai thac het bang cac phuong phap cii da dugc thuc hien NhiJng ket qua chinh thu dugc luan an cd \hi tdm tat nhu sau: Khang dinh uu diem noi bat cua thdng sd PCKT Petrovski 7^ la cd dd phan giai cao, chieu sau nghien ciili Idn hon so vdi cac tham sd truyen thd'ng p,, 7, qua md hinh ly thuye't va kiem nghiem thuc te Lan dau tien de xua't, xay dung dugc co sd ly thuyet cd co sd khoa hgc va sir dung thdng sd 122 PCKT Petrovski rj^di xix ly, phan tich tai lieu PCKT lam tang dang ke' lugng thdng tin hiiu ich Chiing cd phan giai cao nen phan anh sat thuc hon hieu ling PCKT cua cac dd'i tugng nghien cuu; tang phan giai ddi vdi cac di thudng yeu Dua tren nguyen ly ehdng chat dien tmdng, dua cac cdng thiic bien ddi thdng tin giiia cac dudng cong PCKT chi qua cac phep tinh dai sd don gian khdng phai thuc hien qua cac phep tinh dao ham cd tinh khdng dn dinh, nen chiing da khac phuc dugc cac nhugc diem cdn tdn tai trudc day Cac phep bie'n ddi va cdng thiic bien doi Petrovski cai tien ma tac gia da de xuat cd tin cay va khoa hgc cao Da chiing minh dugc tinh diing dan cua cac phep bie'n ddi dd tren md hinh ly thuyet va mdi trudng thuc te Day cung chinh la mot phan thuat toan xu ly, phan tich tai lieu PCKT theo hudng mdi de xuat Thiet lap cac thuat toan xu ly, phan tich qua cac phep bien ddi dai sd neu tren vdi co sd cd lua chgn thdng tin dang tin cay nhung mang tinh tdng hgp hon Hudng xu ly, phan tich tai lieu PCKT mdi lam rd hon va tang tin cay eua cac ke't qua du bao dia cha't vi lam phong phii them nhieu thdng tin bo ich Trong trudng hgp thuan Igi cd the dung ket qua du bao de theo ddi, phat hien cac ddi tugng cSn tim Md rdng va nang cao kha nang ap dung cua phuong phap PCKT, chang nhiing ddi vdi cac phuong an mdi, ma cdn khai thac bd sung them dugc cac thdng tin hiiu ich khac giiip cho cdng tac xii ly, phan tich tai lieu PCKT ciia cac phuong phap cii da cd trudc day Trong trudng hgp cd the cdn giiip cho viec kiem tra, phat hien cac ddi tugng can tim dd'i vdi cac phuong an cii da dugc thuc hien Vdi thuat toan da thiet lap, xay dung dugc he ehuong trinh xii ly, phan tich tu dong tuong ling bang ngdn ngir MATLAB nhu mot san pham 123 phan mim vdi cac chiic nang hoan toan tien ich, de su dung, giao dien va hoa tdt, gfc giii vdi thuc te Tien hanh sau PCKT bang cac he cue cai tien nham giam thieu cac phep do, cd qui trinh tuong ddi don gian, quen thudc, gan gidng vdi cac phuong phap thdng thudng, khdng gay phiic tap cho qua trinh thi cdng vi chi can bd tri lai cac dien cue theo kich thudc he cue cai tien (cac he sd he cue da dugc tinh trudc) ma ta van thu dugc thdng tin dau vao phii hgp va cd du cac thdng tin can thie't ap dung cho cac phuong an mdi Vi the cd the de dang ap dung dugc vao san xua't Ke't qua do, xir ly va phan tich tai lieu theo phuong phap mdi, cung nhu ap dung khai thac cac tai lieu p^, rj^ thue te da cd de cd dugc 7^ cho ta ket qua tdt: • Sir dung tai lieu sau PCKT bang he cue ddi xiing thdng thudng, tie'n hanh tinh toan qua cae phep bien doi dai sd khdng phai tinh theo cdng thiic dao ham de chuyen doi cac loai dudng cong tuong ling vdi cac he cue khac thu dugc: + Cac ke't qua hoan toan phii hgp vdi mat cat thuc te H- Dua dugc lugng thdng tin cd ich nhieu hon, giiip cho cac nha Dia vat ly cd CO sd lua chgn md hinh vat ly - dia chat hgp ly hon + Cac ke't qua bie'n doi sang dudng cong Petrovski cho su phan di tdt hon va dinh xii rd hon cac ddi tugng nghien ciJu so vdi cac phuong phap bien ddi thdng thudng da ap dung tiJf trudc den + Cac ke't qua chiing td cd the cho phep ap dung cac phuong phap xii ly, phan tich ma tac gia da de xuat ddi vdi tai lieu sau PCKT theo cac phuong phap co truyen vdi muc dich lam tang them lugng thdng tin va tin cay giai doan ket qua tai lieu 124 Day la mdt van d6 hoan toan mdi va rat thiet thuc ddi vdi phuong phap sau PCKT Nhu vay, lam tang kha nang ap dung cua phuong phap sau PCKT thuc te • Khi tie'n hanh dac va xu ly, phan tich tai lieu sau PCKT bang cac he cue cai tien ta thu dugc nhieu thdng tin cd ich hon, giiip cho viec nang cao tin cay ciia ket qua giai doan tai lieu, ddng thdi cac ket qua mang tinh dinh lugng cao hon Mot sd kien nghi: Tiep tuc nghien ciiu hoan thien hudng phat trien xir ly, phan tich tai lieu PCKT tren co sd thdng sd PCKT Petrovski rj^ theo cac phep bie'n doi da neu, ciing nhu cdng thiic bien doi Petrovski cai tien ma tac gia da de xua't cho cac phuong phap PCKT khac ma tac gia chua cd dieu kien thu nghiem va ap dung Hien cd nhieu ngudi nghien cuii bai toan va chieu de xii ly, phan tich tai lieu Theo chiing tdi, de tiep tuc nghien ciiu nham nang cao hon niia cac phep phan tich dinh lugng, can phai phat trien theo hudng mdi cho cac bai toan va chieu Trong qua trinh tie'n hanh kiem nghiem tren mdi trudng thuc te ta da tha'y hieu qua thuc su cua phuong phap Neu cd the, de nghi cac cap cd tham quyen xem xet va quyet dinh cho md cac de tai thii nghiem va ap dung cac de xua't vao san xua't cang sdm cang tdt 25 TAI LIEU THAM KHAO Tieng Viet: Cdng ty CRAE (1994), Bao cao ket qud khdo sdi vung mo Dai Bo'Tam Ky-Qudng Nam-Da Ndng Luu tru Dia chat Ha Ngi Pham Khoan va nnk (1993), Bao cao tong ket de tdi nghien cdu lUa chgn to hap cdc phuang phdp Dia vat ly-Dia hod hap ly de tim kiem quang Molipden tren ddi Sa Pa- Y Ti- Lao Cai, Luu trir Dia chat, Ha Ngi Pham Khoan, Tang Dinh Nam (1995), "Mot so ket qua cdng tac dia vat ly tim kiem vang gdc d Viet Nam", Dia chat, khodng san vd dau Viet nam Le Viet Du Khuong, Vu Diic Minh, nnk (1996), Hoan thien vd phdt trien cdc phuang phdp dac, xu ly vd phdn tich cdc phuang phdp sdu dien td, De tai nghien ciJu ca'p Bg, Ha Ngi Le Viet Du Khuong, Lam Quang Thiep (1984), "Mot phuong phap mdi de thu dudng cong sau dien cd sau nghien ciiu Idn va cd kha nang phan giai cao; Phuong phap luong cue hai phan hgp nha't" Tap chi Cdc khoa hoc ve trdi dat, 6(3), tr 84-86 Le Vie't Du Khuong, Lam Quang Thiep (1985), "Phuong phap thdng nha't bdc Idp cd dn dinh nghiem de phan tich so lieu sau dien thang diing (VES) va sau tir Tellua (MTS)", Tap chi Vat Ly, 10(1), tr.l7 Nguyen Nggc Loan (1996), Ddnh gid du hdo trien vong thdn quang SULFUR da kimdn theo cdc dac trUng di thudng phdn cue kich thich ddng mot chieu, Luan van Phd Tie'n sT khoa hgc Dia ly-Dia cha't Cue Dia cha't Viet nam Ha Ngi 126 Tang Mircri (1980), "Sir dung dao ham bac hai cua the ngu6n diem dong khong doi sau dien", Tap chi VqtLy, 5(2), tr 19-24 Tang Muai (1980), "Mot each danh gia miic bien dang cua duong cong sau dien", Tap chi Vat Ly, 5(3), tr 24-28 10 Tang Mucfi (1981), "Mot huong nghien ciiu moi sau dien", Tap chi Cdc khoa hgc ve trdi da't, 3(2) 11 Tang Muai, Vu Due Minh (1980), "Xu ly tai lieu sau dien vung phu Thanh Hoa theo each thiic mori", Tap chi Dia chat, (149), tr 1921 12 Tang Muai, VQ Dilc Minh (1982), "Vai dong gop m6i vao khau xit ly dinh tinh tai lieu sau dien" Tap chi Cdc Khoa hoc veTrdi da't, 4(1), tr 12-15 13 Tang Muai, Vu Diic Minh (1982), Ndng cao hieu qud cong tdc Dia Vat ly dieu kien Viet nam, Dt tai nghien cihi cap Bo, Ha Noi 14 Nguyen Trong Nga, Quach Van Gifng, Nguydn Quang Quy, Nguyen Ngoc Loan, Le Khanh Phon (1996), To hep cdc phuong phdp Dia Vat ly nghien cuu cau true sdu vd phdt trien quang dn, Bao cao tong ket de tai NCKH cap nha nudrc, ma so KT.01.13, Ha Noi 15 Lam Quang Thiep (1979), 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Etter D.M (1999), Engineering Problem Solving with Matlab, Prentice Intemational, Inc University of Colorado Boulder 36 Gaither J (1976), Applied Geophysic 29 37 Ghosh D.P (1971), "The application of linear filter theory to the direct interpretation of geoelectrical resistivity sounding measurements" Geophysical Prospecting, 28, p 610-619 38 Ginzburg A., Loewenthal D and Shoham Y (1976), "On the Automatic Interpretation of Direct Current Resistivity Soundings", Pure AppL Geophysics, 114, p 983-995 39 Griffiths D.H., Barker R.D (1993), "Two-dimensional resistivity imaging and modelling in areas of complex geogylogy" Journal off Applied Geophysics, 29, p 211-216 40 Griffiths D.H., Tumbull J (1985), "A multi-electrode array for resistivity surveying" First Break, 3, p 16-20 41 Griffiths D.H., Tumbull J and Olayinka A.I (1990), "Twodimesional resistivity mapping with a computer-controlled array", First Break, S{4), p 121-129 42 Hallof P.G (1967), "The use of Induced Polarization method to 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hydraulic experiments by complex conductivity 31 tomography", European Journal of Environmental and Engineering Geopgysics, 1, 209-228 59 Weller A., Seichter M and Kampke A (1996), "IP modeling using complex electrical conductivities", Geophysics J International, 127, p 387-398 60 Weller A., Bomer F.D (1996), "Measurements of spectral induced polarization for environmental purposes", Environmental Geology, 27, p 329-334 61 Weller A., Frangos W., Seichter M (2000), "Three-dimensional inversion of induced polarization data from simulated waste" Journal of Applied Geophysics, 44, p 67-83 62 Xu S Z., Gao Z.C and Zhao S.K (1988), "An integral formulation for three-dimensional terrain modeling for resistivity surveys", Geophysics, 53, 546-552, 63 Zohdy A.A.R (1969), "A new method for differential Resistivity Sounding", Geophysics, 34(6), p 924-943 64 Zohdy, A.A.R (1969), "The use of Schlumberger and equatorial soundings in groundwater investigation near El Paso, Texas Geophysics, 34, p 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Tài liệu tham khảo Loại Chi tiết
1. Cdng ty CRAE (1994), Bao cao ket qud khdo sdi vung mo Dai Bo'- Tam Ky-Qudng Nam-Da Ndng. Luu tru Dia chat. Ha Ngi Sách, tạp chí
Tiêu đề: Bao cao ket qud khdo sdi vung mo Dai Bo'-Tam Ky-Qudng Nam-Da Ndng
Tác giả: Cdng ty CRAE
Năm: 1994
2. Pham Khoan va nnk (1993), Bao cao tong ket de tdi nghien cdu lUa chgn to hap cdc phuang phdp Dia vat ly-Dia hod hap ly de tim kiem quang Molipden tren ddi Sa Pa- Y Ti- Lao Cai, Luu trir Dia chat, Ha Ngi Sách, tạp chí
Tiêu đề: Bao cao tong ket de tdi nghien cdu lUa chgn to hap cdc phuang phdp Dia vat ly-Dia hod hap ly de tim kiem quang Molipden tren ddi Sa Pa- Y Ti- Lao Cai
Tác giả: Pham Khoan va nnk
Năm: 1993
3. Pham Khoan, Tang Dinh Nam (1995), "Mot so ket qua cdng tac dia vat ly trong tim kiem vang gdc d Viet Nam", Dia chat, khodng san vd dau khi Viet nam Sách, tạp chí
Tiêu đề: Mot so ket qua cdng tac dia vat ly trong tim kiem vang gdc d Viet Nam
Tác giả: Pham Khoan, Tang Dinh Nam
Năm: 1995
4. Le Viet Du Khuong, Vu Diic Minh, nnk (1996), Hoan thien vd phdt trien cdc phuang phdp do dac, xu ly vd phdn tich trong cdc phuang phdp do sdu dien td, De tai nghien ciJu ca'p Bg, Ha Ngi Sách, tạp chí
Tiêu đề: Hoan thien vd phdt trien cdc phuang phdp do dac, xu ly vd phdn tich trong cdc phuang phdp do sdu dien td
Tác giả: Le Viet Du Khuong, Vu Diic Minh, nnk
Năm: 1996
5. Le Viet Du Khuong, Lam Quang Thiep (1984), "Mot phuong phap mdi de thu dudng cong do sau dien cd do sau nghien ciiu Idn va cd kha nang phan giai cao; Phuong phap luong cue hai thanh phan hgp nha't". Tap chi Cdc khoa hoc ve trdi dat, 6(3), tr. 84-86 Sách, tạp chí
Tiêu đề: Mot phuong phap mdi de thu dudng cong do sau dien cd do sau nghien ciiu Idn va cd kha nang phan giai cao; Phuong phap luong cue hai thanh phan hgp nha't
Tác giả: Le Viet Du Khuong, Lam Quang Thiep
Năm: 1984
6. Le Vie't Du Khuong, Lam Quang Thiep (1985), "Phuong phap thdng nha't bdc Idp cd dn dinh nghiem de phan tich so lieu sau dien thang diing (VES) va do sau tir Tellua (MTS)", Tap chi Vat Ly, 10(1), tr.l- 7 Sách, tạp chí
Tiêu đề: Phuong phap thdng nha't bdc Idp cd dn dinh nghiem de phan tich so lieu sau dien thang diing (VES) va do sau tir Tellua (MTS)
Tác giả: Le Vie't Du Khuong, Lam Quang Thiep
Năm: 1985
7. Nguyen Nggc Loan (1996), Ddnh gid du hdo trien vong thdn quang SULFUR da kimdn theo cdc dac trUng di thudng phdn cue kich thich ddng mot chieu, Luan van Phd Tie'n sT khoa hgc Dia ly-Dia cha't. Cue Dia cha't Viet nam. Ha Ngi Sách, tạp chí
Tiêu đề: Ddnh gid du hdo trien vong thdn quang SULFUR da kimdn theo cdc dac trUng di thudng phdn cue kich thich ddng mot chieu
Tác giả: Nguyen Nggc Loan
Năm: 1996
8. Tang Mircri (1980), "Sir dung dao ham bac hai cua the ngu6n diem dong khong doi trong do sau dien", Tap chi VqtLy, 5(2), tr. 19-24 Sách, tạp chí
Tiêu đề: Sir dung dao ham bac hai cua the ngu6n diem dong khong doi trong do sau dien
Tác giả: Tang Mircri
Năm: 1980
9. Tang Muai (1980), "Mot each danh gia miic do bien dang cua duong cong do sau dien", Tap chi Vat Ly, 5(3), tr. 24-28 Sách, tạp chí
Tiêu đề: Mot each danh gia miic do bien dang cua duong cong do sau dien
Tác giả: Tang Muai
Năm: 1980
10. Tang Mucfi (1981), "Mot huong nghien ciiu moi trong do sau dien", Tap chi Cdc khoa hgc ve trdi da't, 3(2) Sách, tạp chí
Tiêu đề: Mot huong nghien ciiu moi trong do sau dien
Tác giả: Tang Mucfi
Năm: 1981
11. Tang Muai, Vu Due Minh (1980), "Xu ly tai lieu do sau dien vung phu Thanh Hoa theo each thiic mori", Tap chi Dia chat, (149), tr 19- 21 Sách, tạp chí
Tiêu đề: Xu ly tai lieu do sau dien vung phu Thanh Hoa theo each thiic mori
Tác giả: Tang Muai, Vu Due Minh
Năm: 1980
12. Tang Muai, VQ Dilc Minh (1982), "Vai dong gop m6i vao khau xit ly dinh tinh tai lieu do sau dien". Tap chi Cdc Khoa hoc veTrdi da't, 4(1), tr. 12-15 Sách, tạp chí
Tiêu đề: Vai dong gop m6i vao khau xit ly dinh tinh tai lieu do sau dien
Tác giả: Tang Muai, VQ Dilc Minh
Năm: 1982
13. Tang Muai, Vu Diic Minh (1982), Ndng cao hieu qud cong tdc Dia Vat ly trong dieu kien Viet nam, Dt tai nghien cihi cap Bo, Ha Noi Sách, tạp chí
Tiêu đề: Ndng cao hieu qud cong tdc Dia Vat ly trong dieu kien Viet nam, Dt
Tác giả: Tang Muai, Vu Diic Minh
Năm: 1982
14. Nguyen Trong Nga, Quach Van Gifng, Nguydn Quang Quy, Nguyen Ngoc Loan, Le Khanh Phon (1996), To hep cdc phuong phdp Dia Vat ly nghien cuu cau true sdu vd phdt trien quang dn, Bao cao tong ket de tai NCKH cap nha nudrc, ma so KT.01.13, Ha Noi Sách, tạp chí
Tiêu đề: To hep cdc phuong phdp Dia Vat ly nghien cuu cau true sdu vd phdt trien quang dn
Tác giả: Nguyen Trong Nga, Quach Van Gifng, Nguydn Quang Quy, Nguyen Ngoc Loan, Le Khanh Phon
Năm: 1996
15. Lam Quang Thiep (1979), Gido trinh Tham dd dien, NXB Dai hoc & THCN, Ha Noi Sách, tạp chí
Tiêu đề: Gido trinh Tham dd dien
Tác giả: Lam Quang Thiep
Nhà XB: NXB Dai hoc & THCN
Năm: 1979
16. Lam Quang Thiep (1992), "Do sau dien bang phuong phap doi xiing va luang cue hap nhat (CSDES)", Tap chi Vat Ly Dai hoc Tong hop Hd Noi Sách, tạp chí
Tiêu đề: Do sau dien bang phuong phap doi xiing va luang cue hap nhat (CSDES)
Tác giả: Lam Quang Thiep
Năm: 1992
17. Lam Quang Thiep, Le Viet Du Khuong (1984), "Cac phuang phap do sau va do mat cat dien bang thiet bi doi xiing va luang cue hap nhat". Tap chi Dia chat, 24(167), tr. 1-4 Sách, tạp chí
Tiêu đề: Cac phuang phap do sau va do mat cat dien bang thiet bi doi xiing va luang cue hap nhat
Tác giả: Lam Quang Thiep, Le Viet Du Khuong
Năm: 1984

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