crc cyclic redundancy check
CYCLIC REDUNDANCY CHECK (CRC) ppsx
... R(x) Số dư R(x) CRC- n • Như tổng quát ta có thểviết: M ( x).x = Q( x).G ( x) + R ( x) n MỘT SỐ ĐA THỨC SINH G(x) CRC- n G(x) USE CRC- 1 x+1 Hardware (parity bit) CRC- 4 x4 + x + PCM-30 CRC- 5 - CCITT ... CCITT x5 + x3+ x+1 ITU-G.704 CRC- 5 - USB x5 + x2+ USB token packets CRC- 7 x7 + x3+ Telecom systems, MMC CRC- 8 x8 + x7 + x6 + x4 + x2 + CRC- 12 x12 + x11 + x3 + x2 + x + CRC- 32 - MPEG2 x32 + x26 + ... Truyền CRC- 4 đa khung #n VÍ DỤ TÍNH CRC- 4 • Ví dụ 3: Giả sử phát PCM-30 tạo đa khung thứ (n1) có tổng số bit 1210.Hãy xác định giá trị CRC4 đa khung này? VÍ DỤ TÍNH CRC- 4 (tt) • Đáp số ví dụ 3: CRC- 4...
Ngày tải lên: 02/07/2014, 20:20
AN1148 cyclic redundancy check (CRC)
... if(CRCCONbits.CRCFUL==1)/ /check if FIFO is full { CRCCONbits.CRCGO=1; //start CRC engine while(CRCCONbits.CRCMPT!=1);/ /check if FIFO is empty CRCCONbits.CRCGO=0; //stop CRC engine } } if(CRCCONbits.CRCGO!=1) ... if(CRCCONbits.CRCFUL==1)/ /check if FIFO is full { CRCCONbits.CRCGO=1; //start CRC engine while(CRCCONbits.CRCMPT!=1);/ /check if FIFO is empty Nop(); Nop(); Nop(); Nop(); Nop(); CRCCONbits.CRCGO=0; ... CRCCONbits.CRCGO=0; //stop CRC engine } } if(CRCCONbits.CRCGO!=1) CRCCONbits.CRCGO=1; CRCDAT = 0x0000; //appending PLEN+1 zeros (multiply by 2^16) while(CRCCONbits.CRCMPT!=1);/ /check if FIFO is empty...
Ngày tải lên: 11/01/2016, 16:46
AN0730 CRC generating and checking
... CalculateCRC Reload NextValueGen TEMP, f AppendZeros 0x00 CRC_ HIGH, w CRC_ BUFF CRC_ LOW,w CRC_ HIGH CRC_ LOW DATABYTES, f NextValueGen CRC_ BUFF, w STATUS, PA1 STATUS, PA0 CRC1 6TableHigh CRC_ HIGH,f CRC_ BUFF, ... done, the content of the registers, CRC_ HIGH and CRC_ LOW, are appended to the message CRC Checking CRC Checking The CRC check uses the same technique as the CRC generation, with the only difference ... calculate next CRC1 6 value if CRC_ HIGH and CRC_ LOW equal to zero CRC_ HIGH, f ; copy CRC_ HIGH onto itself STATUS, Z ; is content zero? CRCError ; no, CRC error occured CRC_ LOW, f ; copy CRC_ LOW register...
Ngày tải lên: 11/01/2016, 11:34
Các dạng toán kiểm tra nhóm Cyclic và cấp một phần tử trong nhóm.pdf
... thông thường số phức nhón cyclic Phân tích ban đầu: Vì A ⊂ (C ∗ , ·) nên ta chứng minh A nhóm cyclic (C ∗ , ·) cách tìm phần tử a ∈ C ∗ mà A = a , từ có kết luận A nhóm cyclic Bài giải Ta biểu ... cyclic Vậy: A = a với a = cos n n hay A = cos Nhận xét Việc chứng minh A nhóm cyclic buộc ta phải lựa chọn cách biểu diễn phần tử A dạng cụ thể, để từ nhận phần tử sinh A Liên quan đến nhóm cyclic ... ta quay lại vấn đề nhóm cyclic Để chứng minh nhóm cyclic, ta lưu ý thông thường dùng định nghĩa, nhiên trường hợp nhóm cho trước X hữu hạn, tức cấp X = n chứng minh X cyclic cách X có tồn phần...
Ngày tải lên: 04/08/2012, 14:24
CHECK YOUR ENGLISH VOCABULARY FOR BUSINESS AND ADMINISTRATION.pdf
... CHECK YOUR ENGLISH VOCABULARY FOR BUSINESS AND ADMINISTRATION 4th edition Rawdon Wyatt A & C Black Ⴇ London www.acblack.com First published as Check Your Vocabulary for ... an extranet? A customer using your website to buy something has just checked her shopping basket and is now proceeding to checkout What is she about to do? What is a click-wrap agreement? Is ... effective decreased disagreement disinterested go-slow industrial litigation mediation obligations redundancy regulations strike suit terms trade union A dispute is an argument or conditions dismissals...
Ngày tải lên: 08/08/2012, 17:31
Check Your English Vocabulary for Academic English.pdf
... many scientists _ that life may exist on other planets The spell -check facility on a computer allows students to check the _ of their assignments for basic errors The police have ... in the list of answers Because of the grammar of these words and their meanings – which we can check in the dictionary if necessary – the completed sentences will look like this: Although not ... CHECK YOUR VOCABULARY FOR ACADEMIC ENGLISH THIRD EDITION by David Porter A & C Black Ⴇ London www.acblack.com...
Ngày tải lên: 08/08/2012, 17:31
Check Your English Vocabulary for Banking & Finance.pdf
... 14 checked / verified by PIN Chip and PIN payments A Number the following in the correct order The transaction appears on the customer's bank statement The customer arrives at a supermarket checkout ... order e I took out some money My account was debited f I'm in the red My account was credited g I checked my balance I used an ATM h It went into my account I made a balance enquiry i It went out ... CHECK YOUR ENGLISH VOCABULARY FOR BANKING AND FINANCE Jon Marks A & C Black Ⴇ London www.acblack.com...
Ngày tải lên: 08/08/2012, 17:32
Check Your English Vocabulary for Living in the UK.pdf
... same time, they will probably check on their work history and qualifications (which is why it is very important to be honest when being interviewed), and may also check to see if they have a (20) ... correct when it went to print, there may have been changes since then You can keep up to date by checking the website www.direct.gov.uk, which provides public service information from the UK government, ... CHECK YOUR ENGLISH VOCABULARY FOR LIVING IN THE UK Rawdon Wyatt A & C Black Ⴇ London www.acblack.com...
Ngày tải lên: 08/08/2012, 17:32
Check Your English Vocabulary for Phrasal Verbs and Idioms.pdf
... CHECK YOUR ENGLISH VOCABULARY FOR PHRASAL VERBS AND IDIOMS Rawdon Wyatt A & C Black Ⴇ London www.acblack.com ... before) Before you sign the contract I suggest you go round it carefully with your solicitor (to check something carefully) James and Annette have been going out with each other for over a year ... using the idioms and other expressions in bold to help you Try to decide what each one means, then check your answers in the back of the book (1) Mark isn't very attractive Most women wouldn't look…...
Ngày tải lên: 08/08/2012, 17:32
Check your Vocabulary for IELTS 2
... CHECK YOUR VOCABULARY FOR ENGLISH FOR THE I E LTS E A X A M I W O R K B O O K N A FOR T I O N S ... by The Studio Publishing Services, Exeter EX4 8JN Printed in Italy by Legoprint Workbook Series Check your: Vocabulary for Banking and Finance Vocabulary for Business, 2nd edition Vocabulary for ... slowly B Several of the words in the box above can have more than one meaning Use your dictionary to check which ones, then complete these sentences below with an appropriate word You will need to...
Ngày tải lên: 04/10/2012, 11:20
Báo cáo y học: "Evaluation of the Prevalence of Concomitant Idiopathic Cyclic Edema and Cellulit"
... the skin In recent years an investigation of idiopathic cyclic edema began to be routine before starting treatment of cellulite Idiopathic cyclic edema syndrome was identified in 1955 by Mach and ... concomitant idiopathic cyclic edema and Grade II or III cellulite Method All patients treated for Grade II and III cellulite based on the Nurnberger–Muller scale and idiopathic cyclic edema were evaluated ... evaluation for idiopathic cyclic edema is routinely made in the diagnosis of cellulite, in obesity and in other evident causes of clinical edema The diagnosis of idiopathic cyclic edema was clinical...
Ngày tải lên: 25/10/2012, 10:51
Báo cáo y học: "A cyclic-RGD-BioShuttle functionalized with TMZ by DARinv “Click Chemistry” targeted to αvβ3 integrin for therapy"
... and neoangiogenesis using cyclic RGD-peptides in a chemically induced colon carcinoma in rats Clin Exp Metastasis 2002; 19: 665-72 Oba M, Fukushima S, Kanayama N, et al Cyclic RGD peptide-conjugated ... molecule was synthesized via Diels Alder Reaction with inverse electron demand It is composed of the cyclic RGD-containing the αvβ3 and αvβ5 integrin antagonist cRGD Cell culture The estrogen sensitive...
Ngày tải lên: 25/10/2012, 11:40
Báo cáo y học: "Cell Cycle Arrest by a Natural Product via G2/M Checkpoint"
... p21 Cell cycle checkpoints are important control 1.0 1.5 1.2 2.0 2.4 3.3 14-3-3 mechanisms that ensure the proper execution of cell cycle events One of the checkpoints, the G2/M checkpoint blocks ... and down-regulate Cdc25c thus controlling the entry of cells into mitosis by maintaining the G2/M checkpoint [22] Other researchers had also found that over-expression of 14-3-3σ in breast cancer...
Ngày tải lên: 02/11/2012, 11:12
