CN1114273C - 调制装置与方法、解调装置与方法 - Google Patents
调制装置与方法、解调装置与方法 Download PDFInfo
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- CN1114273C CN1114273C CN99801422A CN99801422A CN1114273C CN 1114273 C CN1114273 C CN 1114273C CN 99801422 A CN99801422 A CN 99801422A CN 99801422 A CN99801422 A CN 99801422A CN 1114273 C CN1114273 C CN 1114273C
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- 238000000034 method Methods 0.000 title claims description 35
- 230000001360 synchronised effect Effects 0.000 claims description 50
- 238000001514 detection method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 description 56
- 238000003780 insertion Methods 0.000 description 33
- 230000037431 insertion Effects 0.000 description 33
- 238000000605 extraction Methods 0.000 description 11
- 230000033228 biological regulation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000013519 translation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009877 rendering Methods 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
- H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M5/00—Conversion of the form of the representation of individual digits
- H03M5/02—Conversion to or from representation by pulses
- H03M5/04—Conversion to or from representation by pulses the pulses having two levels
- H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
- H03M5/145—Conversion to or from block codes or representations thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/044—Speed or phase control by synchronisation signals using special codes as synchronising signal using a single bit, e.g. start stop bit
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
- G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
- G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
- G11B2020/1287—Synchronisation pattern, e.g. VCO fields
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1453—17PP modulation, i.e. the parity preserving RLL(1,7) code with rate 2/3 used on Blu-Ray discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
- G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
- G11B2020/1457—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof wherein DC control is performed by calculating a digital sum value [DSV]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/0079—Receiver details
- H04L7/0083—Receiver details taking measures against momentary loss of synchronisation, e.g. inhibiting the synchronisation, using idle words or using redundant clocks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
数据 | 代码 | |
i=1 | 111001 | 00x01010x |
i=2 | 0011001000010000 | 000 00x000 010100 00x100 010 |
数据 | 代码 | |
i=1 | 111001 | 00x01010x |
i=2 | 0011001000010000 | 000 00x000 010100 00x100 010 |
i=3 | 100110 | 100 000 010 |
数据 | 代码 |
111001001100100001000011000010000001000000“1101110000100000000000 | *0*001010010 100010 000000 100000 100 100010 100 000010 100 100010 100 000001 000 000(下一个010)000 100 100 100010 100 100 100 |
如果xx1,则*0*=000如果xx0,则*0*=101 | |
“110111 001 000 000(下一个010):当下一个信道位为‘010’时,在使用主转换表或终结表之后,将‘11 01 11’转换成‘001 000 000’。 |
数据 | 代码 |
0010 | 010 000 |
数据 | 代码 |
0011 | 010 100 |
数据 | 代码 | 电平码 |
00100011 | 010 000010 100 | 011111011000 |
同步和终结(termination) |
#01 010 000 000 010 000 000 010(23+1个信道位)#=0不终结情况#=1终结情况终结表00 0000000 010 100 |
30个信道位的同步 |
#01 010 000 000 010 000 000 010 000 001#01 010 000 000 010 000 000 010 000 010#01 010 000 000 010 000 000 010 000 100#01 010 000 000 010 000 000 010 001 000#01 010 000 000 010 000 000 010 001 001#01 010 000 000 010 000 000 010 001 010#01 010 000 000 010 000 000 010 010 000#01 010 000 000 010 000 000 010 010 001#01 010 000 000 010 000 000 010 010 010#01 010 000 000 010 000 000 010 010 100#01 010 000 000 010 000 000 010 100 001#01 010 000 000 010 000 000 010 100 010#01 010 000 000 010 000 000 010 100 100#01 010 000 000 010 000 000 010 101 000#01 010 000 000 010 000 000 010 101 001#=0不终结情况#=1终结情况终结表00 0000000 010 100 |
30个信道位的同步 |
#01 010 000 000 010 000 000 010 000 001#01 010 000 000 010 000 000 010 000 100#01 010 000 000 010 000 000 010 001 001#01 010 000 000 010 000 000 010 010 000#01 010 000 000 010 000 000 010 010 010#01 010 000 000 010 000 000 010 100 001#01 010 000 000 010 000 000 010 101 000#=0不终结情况#=1终结情况终结表00 0000000 010 100 |
30个信道位的同步 |
#01 010 000 000 010 000 000 010 001 000#01 010 000 000 010 000 000 010 010 001#01 010 000 000 010 000 000 010 100 010#=0不终结情况#=1终结情况终结表00 0000000 010 100 |
30个信道位的同步 |
#01 010 000 000 010 000 000 010 001 00x#01 010 000 000 010 000 000 010 010 00x#01 010 000 000 010 000 000 010 101 00xx:0或1#=0不终结情况#=1终结情况终结表00 0000000 010 100 |
码字串 | 解调后的数据列 |
i=1 101000001010i=2 010 100010 000(不是100)000 100i=3 000 100 100000 100 000(不是100)010 100 100010 100 000(不是100)i=3:禁止重复的最小变换行程长度001 000 000(不是100)i=4:将k限制为7000 100 100 100001 100 100 100 | 11111001001100100001000011000010000001000000000010000000100000000000 |
终结表 |
000 00010 100 0000 |
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP237044/1998 | 1998-08-24 | ||
JP23704498A JP3870573B2 (ja) | 1998-08-24 | 1998-08-24 | 変調装置および方法、記録媒体、並びに復調装置および方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1275262A CN1275262A (zh) | 2000-11-29 |
CN1114273C true CN1114273C (zh) | 2003-07-09 |
Family
ID=17009583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99801422A Expired - Lifetime CN1114273C (zh) | 1998-08-24 | 1999-08-24 | 调制装置与方法、解调装置与方法 |
Country Status (7)
Country | Link |
---|---|
US (11) | US6879637B1 (zh) |
EP (1) | EP1083687B1 (zh) |
JP (1) | JP3870573B2 (zh) |
KR (1) | KR100675029B1 (zh) |
CN (1) | CN1114273C (zh) |
DE (1) | DE69923841T2 (zh) |
WO (1) | WO2000011822A1 (zh) |
Cited By (1)
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---|---|---|---|---|
CN102739352A (zh) * | 2011-03-30 | 2012-10-17 | 硅谷实验室公司 | 用于串行通信的变换间隔编码 |
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Cited By (2)
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CN102739352A (zh) * | 2011-03-30 | 2012-10-17 | 硅谷实验室公司 | 用于串行通信的变换间隔编码 |
CN102739352B (zh) * | 2011-03-30 | 2016-05-04 | 硅谷实验室公司 | 用于串行通信的变换间隔编码 |
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