1. Trang chủ
  2. » Luận Văn - Báo Cáo

Đồ án nghiên cứu đặc tính phổ và phân loại rừng ngập mặn bằng dữ liệu ảnh vệ tinh độ phân giải cao QUICKBIRD

56 4,1K 13

Đang tải... (xem toàn văn)

Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống

THÔNG TIN TÀI LIỆU

Thông tin cơ bản

Định dạng
Số trang 56
Dung lượng 6,37 MB

Nội dung

37     !"#$%&'' ('( )*+,-./012345+677.289*:/*;9<9<+=32>97+6?' ('@ <ABC9DE+FG70H9<*:/32>97+6?' ('I !+J9DFG2K9+3=729+'' ('L A9+MN*028?34O9<PQ9<*:/*;9<9<+=32>97+6?' ('R 9+3=729+0H5+J9<2K2*/F340S*028?K9+A2*TU2.P'''''''''''''''''''''''' ('R'( =729+$##V' ('R'@ =729+#&%WXYZ[ ('R'I =729+$%&\YZ[' ]^_!`aa! !!!bcd&]$%&\ @'(S*7e9+5+K9fG5+g*:/7+h*3i7 @'@<+2C9*OA0S*7e9+5+K9fG5+g*:/7+h*3i79<i5?S97.C9K9+ A2*TU2.P''''''''''''''''''''''''''''''' @'I6*5+Mj9<5+655+J9DFG2K9+32>97+6?'' @'I'(!+Mj9<5+655+J9DFG27h0H9<T+;9<T28?0)9+ @'I'@!+J9DFG2Uk9<7+Ai77F69f6*,Al7*h*0G2Y?/f2?A?D2Tm+FFP[ @'I'I+Ai77F695+J9DFG2+n9++H5Y!&W!!W\[ @'I'L+Ai77F69T+FK9<*6*+9<o99+l7Y?292?A?P2,7/9*m['''''''''''' @'I'R+Ai77F69T+FK9<*6*+#%V'''''''''''''''''''''''''''' @'LbJBPh9<5+Mj9<5+65f-DEK9+A2*TU2.P9+k?7h0H9<+p/5+J9DFG2 .q9<9<i5?S9 !"#r&sa!%t\u $%&\ I'(g9<vA/93wT+A3h*9<+2C9*OA'' I'@!+J9DFG2.q9<9<i5?S9Uk9<5+Mj9<5+655+J9DFG27h0H9<*pT28? 0)9+' 37 I'I$x7vAK5+J9DFG2.q9<9<i5?S9Ph/7.C90S*7e9+5+g'''''''''''''''''''''''''''''' I'L!+J9DFG2Uk9<5+Mj9<5+655+J9DFG27h0H9<*pT28?0)9+'''''''''''''''''''''' I'RVF,69+Tx7vAK5+J9DFG2 $yaz$y \$#'''''   ;9<9<+=32>97+6?7qT+2./0120{*+O9<7|9+}9<MA028?3MN77.H2 ,F3~2*6*5+Mj9<5+659<+2C9*OA7.ABw97+•9<'~2T+K9€9<*+Q5DS5DG2 7.F9<7+12<2/99<o9z0H5+:7.•??S70l7.H9<z*p7+8*+Q5K9+9+}9<T+A3h* 02DG2.l7T+pT+€99+MU2C9<2~2z+K20KFz0‚?D‚BzP}D2=A32>97+6?0{0MN* 37 O9<PQ9<.H9<.{27.F9<9<+2C9*OAz<26?,677429<ABC9z?;27.M19<*ƒ9<9+M 5+Q*3Q?Q*0e*+vA•*5+„9<z/9929+' 6*7+Ai77F695+J9DFG27h0H9<*pT28?0)9+9+Mf6*,Al7*h*0G2z T+FK9<*6*+9<o99+l7z+n9++H57AB*p9+2wAMA028?9+M9<Tx7vAK5+J9DFG2 5+Q7+AH**+:BxA34FT29+9<+2=?9<M12<2K20F69'n3iB32=*9<+2C9*OAz0w fAl79+}9<5+Mj9<5+655+J9DFG27h0H9<T+;9<5+Q7+AH*34F9<M12<2K2 0F69D4+x7,O**‚97+2x734*l5U6*+'~29+}9<DEPF7.C9z7;2*+…90†697•7 9<+2=53~20w742‡  ! "#$%&'(%)*    Q*72CA*:/0†699+k?9<+2C9*OAfJBPh9<5+Mj9<5+657h0H9<+p/ 5+J9DFG2.q9<9<i5?S97qP}D2=AK9+0/5+g0H5+J9<2K2*/FA2*T%2.P'  80G70MN*?Q*72CA7.C9*‚95+K2<2K2vABx79+}9<9+2=?3Q,/A (' <+2C9*OA0S*028?K9+3=729+0/5+g0H5+J9<2K2*/FA2*T%2.P' @' <+2C9*OA0S*7.M9<5+K9fG5+g*:/7+h*3i7349M~*7.C9K9+3=729+ 0/5+gA2*T%2.P' I' n?+28A*6*5+Mj9<5+655+J9DFG27h0H9<*pT28?0)9+9+k?Dh/*+…9 5+Mj9<5+657+e*++N57.F9<5+J9DFG2.q9<9<i5?S9' L' bJBPh9<5+Mj9<5+657h0H9<+p/5+J9DFG2.q9<9<i5?S97qP}D2=A K9+0/5+g0H5+J9<2K2*/FA2*T%2.P7.C9*j,ˆ0S*7.M9<5+K9fG5+g' R' 69+<26Tx7vAK5+J9DFG2  !"#$%&'"#() ‰+,"-".2=99/Bz*6*7+Ai77F695+J9DFG27h0H9<*pT28? 0)9+Yf6*,Al7*h*0G2z+n9++H5zT+FK9<*6*+9<o99+l7[7AB*p.l79+2wAMA 028?,F3~2*6*7+Ai77F695+J9DFG27h0H9<T+;9<T28?0)9+9+M9<3Š95+Q 7+AH*9+2wA34FT29+9<+2=?347.n9+0H9<M12<2K20F69'.F9<0†6994B76* <2K9<+2C9*OA0wfAl75+Mj9<5+655+J9DFG27h0H9<Ph/7.C95+J97e*+0S* 37 7.M9<5+K9fG5+g*:/7+h*3i79<i5?S9349M~*'\F0pzTx7vAK9+i90MN* 7.F9<0†69*p7e9+T+F/+…**/F' ‰ +,"/0d9<+‹/7+h*72>9*:/0†697+8+2=9ˆ*+Œ7€9< *M19<T+K9€9<7h0H9<+p/7.F9<5+J9DFG2.q9<9<i5?S9?43Š90K?UKF0H *+e9+f6*'!+Mj9<5+650wfAl77.F9<0†69*p7+80MN*,-PQ9<7.F9<5+J9DFG2 *6*0•27MN9<0j9<2K97.C9K9+3~2MA028?0H*+e9+f6**/Fz72x7T2=?7+12 <2/934*;9<,O*zT+;9<5+Q7+AH*7.n9+0H34T29+9<+2=?9<M12<2K20F69' *+,-†69*+2/D4?I*+Mj9< +Mj9<(g9<vA/93w*;9<9<+=32>97+6?340S*028?K9+3=729+0H 5+J9<2K2*/F$%&\ +Mj9<@<+2C9*OA0S*7e9+5+g.q9<9<i5?S9345+Mj9<5+65f-DE K9+$%&\ +Mj9<I!+J9DFG2.q9<9<i5?S9Uk9<P}D2=AK9+3=729+ $%&\ *./0123-41256178*91212.:73;1.<7=>* 3?@1.7:31.AB.C123@3*6D53*EF3G HIJK+L+MN"") 32>97+6?*p7+87e9+7q7+xTE7+OL7.M~**;9<9<ABC9T+2.2,7F7m,69< 7GF./*/?m./•FU,*A./YFU,*A./ŽP/.T['S*P•9+}9<7+49+7hA069<T87.F9< 37 DE7+ABx7vA/9<+…*0{0G70MN*7q7+xT•(•*ƒ9<9+M7+lATe9+vA/9<+…*0{ fAl7+2=9,~?+j9zUM~*5+677.2897+h*,h0‚A72C9*:/T+F/+…*32>97+6?D4 34F<2}/7+xT•(‘'4F9€?(’I‘zFA2,\/<Am m0{0M/./U6F*6F*;9<7.n9+ 9<+2C9*OA3w+p/K9+5+F7FzT+ˆ20‚A*+F9<49+*+Q5K9+'%O*K9+0‚A72C9 *+Q5Uw?S77.620l77qT+29+T+e*‚A0MN*7+h*+2=934F9€?(’R’Uˆ29+4 9+2x5K9+9<M12!+65/,5/.PFA.9/*+F9'9<0{,-PQ9<T+29+T+e*‚Aˆ0H */F’“?08*+Q5K9+3•9<%2m3.m9M~*!+65'q,h32=*94Bz9€?(’R’0MN* *F2D49€?T+/2,29+*:/T”7+Ai732>97+6?'€?(’•“z–/?m,%D/*T0{*+Q5 K9+3•9<%F,7F9z”*ƒ9<7qT+29+T+e*‚A'€?(’•Iz/*T—mDD0{7n?./*6* 0)9+DAi73w,p9<02=97qzTx7vAK94BD4*j,ˆ3i7DE*jUK9*:/DE7+ABx732>9 7+6?'  !" #$#% +2x97./9+7+x<2~27+O9+l7Y(‘(LŽ(‘(’[069+PlA<2/20FG9T+ˆ20‚A *:/*;9<9<+=*+Q5K9+7q?6BU/B5+Q*3Q?Q*0e*+vAJ9,h';9<9<+=*+Q5 K9+7q?6BU/B0{T˜F7+mF,h./012*:/.l79+2wA7+2x7Tx3w*6*DFG2?6B*+Q5 K9+zD4*j,ˆ+n9+7+49+?H79<49+T+F/+…*?~20F0G*K9+Y5+F7F<./?m7.B[' €?(‘@‘ ˆ 2C9  b;*ƒ 0{ 7+49+  Di5 2=9  9<+2C9*OA K9++49< T+;9< m929<./Pz32=90{,-PQ9<K9++49<T+;9<089<+2C9*OA0)/?GFz7+h*3i7z 7+g9+M™9<' .F9<7+12<2/9*+2x97./9+7+x<2~27+O@0{*+O9<T2x99+}9< UM~*9+KB7+h*,h7.F9<*;9<9<+=32>97+6?'<49+T+F/+…*0F0G*K9+0{ 37 5+677.289DC97‚?*/F?~27GF./*6*PQ9<*Q*K?U2x9UM~*,p9<+†9<9<FG2z *6*+=7+•9<./P/.z'''.F9<7+12<2/994B0{*+O9<T2x99+}9<*AH*7+-9<+2=? 9<+2C9*OA*6*7e9+*+l75+K9fG5+g*:/Uw?S70)/+n9+34*+x7+-*6*D~5*K9 vA/9<*+F*+Q5K9+?4A+†9<9<FG2'\h/7.C9T”7+Ai794Bz?H7T”7+Ai7PF 7+6?+49<T+;9<0{./012'.F9<3•9<,p9<P42*:/,p9<02=97qz*6*+=7+•9< ,2CA*/F7‚9Y&\&[0{0MN*7+2x7Tx34,-PQ9<087+mFPš2345+67+2=9 9+}9<3i77+8*+AB890H9<z9<+2C9*OA7‚9<2F9'4F9+}9<9€?R“*:/7+xT• @“9<M127/7i57.A9<9<+2C9*OA9+2wA34F32=*5+677.289*6*+=7+•9<./P/.7GF K9+*p*-/?ˆ7+h*Y&&[z0†9<7+12+=7+•9<./P/.*p*-/?ˆ7g9<+N5 YVB97+m.2*5/.7A.m&/P/.ŽV&[*ƒ9<0MN*f›*72x99<+2C9*OA'4F9€? (‘R•z7G2”0{72x9+49+7+-9<+2=?T+K9€9<P:9<K9++49<T+;9<7.F9<32=* 5+J9DFG2345+67+2=9T28A7+h*3i7'x99+}9<9€?(‘•“z*6**AH*7+-9<+2=? 3wO9<PQ9<K9++†9<9<FG2?4A340/5+g0{0MN*72x9+49+' €?(‘•@z?H7?•*vA/97.…9<7.F9<D)*+,-5+677.28932>97+6?0MN* 069+PlA3~232=*”0{5+p9<7+49+*;9<DC9vA”0GF3=729+9<+2C9*OA742 9<ABC97+2C99+2C9/9P,/7'VhT2=994B?/9<0x9T+K9€9<7+A9+i97+;9<729 *p7e9+*+l77F49*‚A3w?;27.M19<fA9<vA/9+'+F0x9+2=99/Bz0{*p•3= 729+7.F9<*+Mj9<7.n9+/9P,/70MN*7+h*+2=9z7.F9<0p*p•3=729+0MN* 5+p9<7+49+*;9<DC9vA”0GF'2=99/Bz3=729+/9P,/7•3Š9+FG70H9<34 *A9<*l5?H7T+FP}D2=AD~97.F9<9<+2C9*OA7429<ABC9.620l7' .F9<9+}9<9€?•“z•“7+xTœ@“z74A5FDF0{*+Q5.620l7PM~2PG9< K9+9g2340/5+gz*+F./*6*7+;9<7293;*•9<+}Ae*+7.F9<9<+2C9*OA?S7 0l7'<49++49<T+;9<3ƒ7.Q2C9b;Y*ƒ[34</9<4B9/B0{0p9<3/27.„72C9 5+F9<7.F9<9<+2C9*OA.620l77q3ƒ7.Q'6*9<+2C9*OA0{0MN*7+h*+2=9 7.C9*6*74A3ƒ7.Q*p9<M129+MVFB9•zm7mF.zF,?F,+FS*7.C9*6*7.G? V/DBA7'VK95+ž?7+A0MN*D4*6*K9+*+Q57.C9*6*7+2x7U)vA˜70/5+g0H5+J9 <2K2*/Fz9+MVŽWY7.C9m7mF.Ž5.2.FP/['6*UO*K9+*+Q57q3=729+ F,?F,*pRTC9+5+gT+6*9+/Az3~2Te*+7+M~*(’f(’*?'<F42./*6*K9+ *+Q57q*6*7+2x7U)*+Q5$WŽ(L“z$ŸŽ•7.C97.G?vA”0GFV/DBA7*+F./ 37 •TC9+K9+7+AH*PK25+g7q“'L  µ 0x9“'’‘  µ 'H5+J9<2K2?S70l77G27J? K9+0G7@“?' 6*?•*7+12<2/9*jUK9*:/D)*+,-5+677.28932>97+6?0MN*7.n9+U4B 7.F9<UK9<PM~20JB &'()*+,-&.+/012"34 L"OPQ R($ (’““ !+67+2=9./72/+†9<9<FG2 (’I‘ %o70‚A*+Q5K9+ (’L• !+g+†9<9<FG2345+g9+n97+lB (’R“Ž(’•“ +Q5K9+7qT+29+T+e*‚A (‘“‘ +Q5K9+7q?6BU/B (“(“•(‘@“ +i9U2x77q+49<T+;9< (‘@“•(‘I“ !+677.2899<49+*+Q5340FK9+ (‘I“•(‘L“ !+677.289./P/. (‘L“ !+J97e*+34O9<PQ9<K9+*+Q5 (‘R“ q5+g9+n97+lB0x9T+;9<9+n97+lB (‘R“•(‘•“ <+2C9*OA,JA3wK9+5+Q*3Q?Q*0e*+vAJ9,h (‘•“•(‘•“ ‚90‚A72C9,-PQ9<7+Ai79<}32>97+6? (‘•@ !+p9<3=729+/9P,/7•( (‘•“•(‘’“ !+677.289?G9+? 5+Mj9<5+65f-DEK9+,• (‘’“•(‘‘“ !+677.2897+x+=?~2*:/3=729+/9P,/7 (‘’• =729+V!#34FvA”0GF (‘‘“0x99/B !+677.289UH*K?7+A5+g0F7€9<PK25+g34,•DMN9<TC9+5+gz 7€9<0H5+J9<2K2*:/UH*K?  1"ST'%UV") 2>97+6?9<+2C9*OA0•27MN9<Uk9<<2K20F693476*+D…*7+F9<7297q P}D2=A*+Q5K9++49<T+;9<+FS*Uk9<<2K20F69K9+3=729+PG9<,•'6*P} D2=APM~2PG9<K9+*+Q534K9+,•0MN*7+A9+i9Ph/7.C932=*<+29+i99€9< DMN9<UO*fG34,p9<5+K9+†25+67./7q3i77+8T+2T+KF,67'€9<DMN9<5+g 37 PM~2PG9<,p9<02=97-z9k?7.C9*6*P{25+gT+6*9+/Az*•9<*+F7+F9<7293w ?H73i77+87q9+2wA<p*0H'b-DEK9+,•D4?+2897+).šK9+3476*+D…*7+;9< 7297q*6*P}D2=AK9+,•Ph/34F*6*7+;9<729*+n/T+p/3w5+gUO*fG5+67./' 2=*<2K20F6976*+D…*7+;9<7)97qP}D2=AK9+32>97+6?0MN*7+h*+2=9 Ph/7.C9*6**6*+72x5*i9T+6*9+/A • /5+g • /9<A†9P}D2=A • /7+12<2/9 • /0H5+J9<2K2 • /5+Mj9<5+65 H7+=7+•9<32>97+6?7+M19<U/F<†?•5+‚97-*pvA/9+=*+S7*+ 3~29+/A'.n9+7h+FG70H9<*:/*6*7+49+5+‚97.F9<+=7+•9<32>97+6?0MN* ?;7K7.F9<+n9+,/A  5'(6"7) 12345677+49+5+‚90‚A72C9*:/+=7+•9<32>97+6?D4 9<A†99€9<DMN9<08*+2xA,69<+/B*A9<*l59€9<DMN9<02=97q7~20•27MN9< *‚99<+2C9*OA'.F9<32>97+6?*+:0H9<,-PQ9<9€9<DMN9<5+67./7q9<A†9 5+670S77.C93i7?/9<z*„97.F9<32>97+6?U)0H9<z9<A†99€9<DMN9<*+:BxA D4UO*fG?S77.12' "89-:;<5(7=9€9<DMN9<7q9<A†99€9<DMN9<7~2 0•27MN9<9<+2C9*OA, 5+K27Mj9<76*vA/DG23~2T+evAB899j29p02vA/' 37 >/3?8@A345&7=,/AT+27.ABw9vA/T+evAB890x90•2 7MN9<z9€9<DMN9<, 7Mj9<76*3~20•27MN9<7•B7+AH*34F0S*028?*:/0•2 7MN9<34,p9<02=97q'Vh7Mj9<76*94B*p7+8D4,h7.ABw9vA/z,h+l57+Q+/B U)5+K9fG7.ˆDG2T+evAB89' B234! C5*7=,/AT+29€9<DMN9<0MN* 5+67./+FS*U)5+K9fG7q0•27MN9<z*‚9*pUH*K?U2x9087i5+N5DG2347+A 9+i9,p9<02=97q'€9<DMN9<02=97q7.ABw93wUH*K?, ?/9<7+;9<729*:/ 0•27MN9<' >/;D E9FG5H7=9€9<DMN9<0MN*7+A9+i9Uˆ2UH *K?*‚90MN*7.ABw97K2Y7+M19<PM~2PG9<02=97q[0x9?H77.G?7+A9+i9P} D2=A08f-DE,/9<PG9<K9+'9+94BD4P}D2=A7+;' I 8 5J7=K9+7+;, 0MN*f-DE08*p7+8,-PQ9< 7.F9<*6*?Q*0e*+T+6*9+/A'89+i9U2x70MN**6*0•27MN9<7.C9K9+*‚9 5+K2<2K20F69*+›9<'9+0MN*<2K20F69Uk9<32=*Tx7+N5*6*5+Mj9<5+65 T+6*9+/AY<2K20F69Uk9<?o7z<2K20F697+h*0)/z<2K20F697h0H9<z'''[' KL5I7=0JBD47+49+5+‚9*A•2*•9<*:/+=7+•9<32>97+6?z0MN* 7+h*+2=9T+2O9<PQ9<7+;9<7297+A9+i90MN*7.F9<v›/7.n9+f-DEK9+34F *6*D‹9+3h*zU427F69*Q7+8' WBXT%UY 9+3=729+*p7+80MN*5+J9DFG27+mF9+2wA72CA*+eT+6*9+/A0H5+J9 <2K2T+;9<<2/9z0H5+J9<2K27+12<2/9z7œD=K9+zP2=97e*+5+:*:/K9+z Z(%VX"Y$N""zK9+3=729+0MN**+2/D4?*6*DFG2*j UK9,/A 8"9&:"*p0H5+J9<2K2T+;9<<2/97q(““?•(“““ ?'H7,•K9+3=729+0H5+J9<2K27+l59+Mm /zY,*/9m.#\V@R“ ?z(“““?[z#Y&&(“““?zL“““?[zWV¡W&VYI““?• (@““  ?[z  V!#¡m<m7/72F9  Y(“““?[z  $#!V  Y$F.m/z  ’R“  ?[z  &VŽ!L Y9P2/z@L“?•R““?[z#.U32m—•@Y”z(“““?['9+3=729+0H5+J9<2K27+l5 0MN*P•9<08<2K2vABx7*6*U427F693wT+e7MN9<7+:B3€9z9<+2C9*OA7+h*3i7 37 ˆvAB?;7F49*‚Az9<+2C9*OA9+2=70H?S79M~**6*0G2PMj9<z9<+2C9*OA34 Ph0F693Q?•/7.F9<9;9<9<+2=5z+2=97MN9<DƒDQ7z+G9+69' 8"9&-*p0H5+J9<2K2T+;9<<2/97q(“?• (““?'H7,•K9+3=729+0H5+J9<2K27.A9<Un9+9+M\VY(“?• •“?[zV!#Y(R?[z#VY(“?[zVW&Y(R?•‘“?[z&\&V•(z &\&V•@Y’?•(““?[zWVYI“•(““?[z''''9+3=729+0H5+J9 <2K27.A9<Un9+D49<A†9P}D2=A32>97+6?*+e9++2=99/B'p0MN*P•9<08<2K2 vABx7*6*U427F699<+2C9*OA7429<ABC97+2C99+2C9z069+<26U2x90H9<D~5 5+:?S70l7z7+49+Di534+2=9*+œ9+UK90†7œD=7.A9<Un9+z069+<26;9+2>? ?;27.M19<z'''' 8"9&+7*p0H5+J9<2K2T+;9<<2/97q(?•(“?' 2=99/Bz0/,•*6*3=729+0wA7e*++N5*6**+x0H*+Q5K9+ˆ0H5+J9<2K2*/F' H7,•K9+3=729+0H5+J9<2K2*/F9+MV!#Y!z@'R?[z&\&V•(z &\&V•@YV5F.7D29mz97./ŽŸ29mz(?•I?[zW#ŽW¢W(Y('•R?[z''' 9+3=729+0H5+J9<2K2*/F0MN*P•9<087+49+Di534+2=9*+œ9+UK90† *+ABC90w7œD=D~9Y£((““““[zP•9<7.F9<9<+2C9*OA9;9<•DJ?9<+2=5z 7.F9<?Q*0e*+vAJ9,hz''' 8"9&1+7*p0H5+J9<2K2T+;9<<2/97q(?7.ˆ fA•9<'9+3=729+0H5+J9<2K2,2CA*/F0MN*P•9<7.F9<?Q*0e*+vAJ9,h08 PF7+6?z5+67+2=99<QB7./9<zP•9<7.F9<7+49+Di534+2=9*+œ9+UK90†7œD= D~9Y£((“““[z7.F9<vAB+FG*+0l70/20;7+)z'''H7,•3=729+*+Q5K9+0H 5+J9  <2K2  ,2CA  */F  9+M  #.U32m—  Y!z  (?[z  XF.DP32m—  Y“'R  •  “'R‘  ?[z A2*TU2.PY!z“'•(•“'•@?[z''' Z(%VX"Y[zK9+3=729+*p7+8*+2/D4?*6*DFG29+M,/A ,1;9+3=729+0j9,o*D49+}9<K9+*+œ*p?H7TC9+5+gYK9+ !/9*+.F?/72*zK9+./P/.z'''[' +"<D49+}9< K9+3=729+<†??H7,•TC9+5+g'+}9<3=729+ 7+A9+i9K9+0/5+g7+;9<PQ9<+2=99/B9+M/9P,/7Y•TC9+0/5+g[zV5F7•R YLTC9+0/5+g[z,7m.Y(LTC9+5+g[z''' [...]... chiu sang cua mt tri 37 1.5 Anh v tinh ụ phõn giai cao v c iờm anh Quickbird Anh vờ tinh ụ phõn giai cao la nhng anh vờ tinh co ụ phõn giai khụng gian cao hn 10m Ngay nay trờn th gii phụ bin rõt nhiu hờ thụng vờ tinh viờn tham ụ phõn giai cao nh IKonos , Orbview , Quickbird 1.5.1 V tinh IKONOS Vờ tinh IKONOS (My) c phong lờn quy ao ụng bụ mt tri ngay 24-091999 ụ cao 682 km ụ lp quy ao tai mụt iờm... nghiờp, 1.5.3 V tinh QUICKBIRD (M) Hinh 1.5 V tinh Quickbird (M) c iờm anh Quickbird Vờ tinh Quickbird la mụt trong nhng vờ tinh cung cõp anh co ụ phõn giai khụng gian cao nhõt hiờn nay (0.61 m kờnh toan sc), ụ phõn giai khụng gian cac kờnh a phụ la 2.44 m Khi ghi ghep cac kờnh a phụ va toan sc, Quickbird cho anh co ụ phõn giai 0.7 m Quickbird c phong lờn quy ao vao 18 10 2001, la vờ tinh th 2 sau... ti lờ ln Anh v tinh ti l rõt nho Anh vờ tinh ti lờ rõt nho co ti lờ trong khoang 1: 10 000 000 1: 100 000 000 Anh vờ tinh loai nay thng c chup trờn cac vờ tinh ia tinh va cac vờ tinh thi tit quy ao gõn cua Trai õt Anh v tinh ti l nho: 1: 1000 000 1: 10 000 000 Anh vờ tinh loai nay c chup trờn cac vờ tinh nghiờn cu tai nguyờn thiờn nhiờn, tau vu tru va tram nghiờn cu khụng gian Anh v tinh ti l trung... cng, ngay 04 032007 vờ tinh Orbview a dng hoat ụng Hinh 1.4 V tinh Orbview va anh chp t v tinh Orbview 37 Với việc phát triển của công nghệ viễn thám, nhiu thế hệ bộ cảm có độ phân giải cao đã đợc thiết kế ng dung cua vờ tinh ORBVIEW (M) Thanh lõp va hiờn chinh ban ụ ia hinh cung nh cac ban ụ chuyờn ti lờ n 1: 5000; Xõy dng mụ hinh sụ ia hinh co ụ chinh xac n 1 3 m theo ụ cao; Quan ly rng; Quan... 1: 100 000 1: 1000 000 Anh vờ tinh loai nay c thu nhõn t cac vờ tinh nghiờn cu tai nguyờn thiờn nhiờn ban ụ Anh v tinh ti l ln: 1: 10 000 1: 100 000 Anh vờ tinh loai nay thu nhõn t cac vờ tinh vi muc ich do tham, lõp ban ụ ia hinh ti lờ ln Ti lờ anh vờ tinh loai nay tng ng vi anh hang khụng Theo din tớch vung ph cua mụt anh, anh vờ tinh c chia lam cac loai sau: Anh v tinh vung phu toan cõu: diờn tich... trng; 37 Hinh 1.3 V tinh Ikonos (My) 1.5.2 V tinh ORBVIEW (M) Vờ tinh Orbview la mụt trong nhng vờ tinh thng mai co ụ phõn giai khụng gian cao õu tiờn trờn th gii Orbview c phong lờn quy ao vao 16 062003, ụ cao quy ao 470 km, ụ nghiờng quy ao 97 ụ ụ phõn giai khụng gian tai kờnh toan sc la 1 m, tai cac kờnh a phụ la 4 m D liờu co cõu truc 11 bit (2048 mc ụ xam) ụ rụng cua anh vờ tinh tai trc tõm 8 km... vao 18 10 2001, la vờ tinh th 2 sau Ikonos cho ra anh co ụ phõn giai cao so vi anh chup photos Chu k lp tai mụt iờm trờn mt õt la 3 4 ngay Diờn tich phu mt õt tai trc tõm 16.5 x 16.5 km, tai vi tri cach trc tõm 25 ụ: 28 x 28 km D liờu vờ tinh Quickbird co cõu truc 11 bit (2048 mc ụ xam) 37 Bang 1.2 Mụt sụ tinh chõt cua anh v tinh Quickbird Tờn kờnh anh Tờn phụ Bc song ( àm ) ụ phõn giai (m) Kờnh 1... nụng nghiờp, lõp s ụ s dung õt ai, phõn loai cac loai õt s dung; S dung trong lõm nghiờp, anh gia hiờn trang rng, a) b) c) Hinh 1.6 Mụt sụ anh v tinh thu nhõn t v tinh Quickbird (a Khakhasia, 2007, b Saudi Arabi, 2005, c Nga, 2003) ng dung cua vờ tinh QUICKBIRD (M) 37 Thanh lõp va hiờn chinh ban ụ ia hinh cung nh cac ban ụ chuyờn ti lờ n 1: 2000; Kiờm tra, anh gia cac khu vc xõy dng, khu cụng... cua trai õt; Cung cõp nhanh cac t liờu anh sụ co ụ phõn giai cao va siờu cao, la d liờu c ban cho viờc thanh lõp va hiờn chinh hờ thụng ban ụ quục gia va hờ thụng CSDL ia ly quục gia Bờn canh nhng u iờm to ln trờn, cụng nghờ viờn tham võn con tụn tai mụt sụ nhc iờm c ban: ờ x ly va phõn tich d liờu anh vờ tinh yờu cõu trinh ụ chuyờn mụn cao va kinh nghiờm trong thc hanh; ụi vi nhng vung nghiờn cu... lõp ban ụ hiờn trang s dung õt bng anh vờ tinh Trung tõm Viờn tham, Bụ Tai nguyờn Mụi trng a thanh lõp binh ụ anh vu tru ty lờ 1: 10 000 phuc vu kiờm kờ õt ai cua 13 tinh trong t kiờm kờ õt nm 2005 T 1979 anh vờ tinh c bt õu s dung trong viờc xõy dng ban ụ hiờn trang rng va tr thanh mụt cụng cu quan trong trong iu tra quy hoach va thit k kinh doanh rng Anh vờ tinh Landsat TM c s dung rõt nhiu trong xõy

Ngày đăng: 27/03/2014, 22:53

TỪ KHÓA LIÊN QUAN

TÀI LIỆU CÙNG NGƯỜI DÙNG

TÀI LIỆU LIÊN QUAN

w