CN1038003A - 传输信息信号的频谱有效的方法 - Google Patents

传输信息信号的频谱有效的方法 Download PDF

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Publication number
CN1038003A
CN1038003A CN89102988A CN89102988A CN1038003A CN 1038003 A CN1038003 A CN 1038003A CN 89102988 A CN89102988 A CN 89102988A CN 89102988 A CN89102988 A CN 89102988A CN 1038003 A CN1038003 A CN 1038003A
Authority
CN
China
Prior art keywords
sample value
mentioned
signal
value
filter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN89102988A
Other languages
English (en)
Chinese (zh)
Inventor
科特金·迈克尔·戴尔
范·丹霍伊维尔·安东尼·帕特里克
克赖斯勒·肯尼思·詹
希毕·布雷德利·迈克尔
莫勒·劳伦斯·M
波林·马克·理查德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/187,685 external-priority patent/US4979188A/en
Application filed by Motorola Inc filed Critical Motorola Inc
Publication of CN1038003A publication Critical patent/CN1038003A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • H04B1/667—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CN89102988A 1988-04-29 1989-04-28 传输信息信号的频谱有效的方法 Pending CN1038003A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US18776688A 1988-04-29 1988-04-29
US07/187,685 US4979188A (en) 1988-04-29 1988-04-29 Spectrally efficient method for communicating an information signal
US07/187,685 1988-04-29
US07/187,766 1988-04-29

Publications (1)

Publication Number Publication Date
CN1038003A true CN1038003A (zh) 1989-12-13

Family

ID=26883304

Family Applications (1)

Application Number Title Priority Date Filing Date
CN89102988A Pending CN1038003A (zh) 1988-04-29 1989-04-28 传输信息信号的频谱有效的方法

Country Status (7)

Country Link
EP (1) EP0377687A4 (fr)
JP (1) JPH03500118A (fr)
KR (1) KR920007093B1 (fr)
CN (1) CN1038003A (fr)
FI (1) FI896174A0 (fr)
IL (1) IL89672A (fr)
WO (1) WO1989010661A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5559900A (en) * 1991-03-12 1996-09-24 Lucent Technologies Inc. Compression of signals for perceptual quality by selecting frequency bands having relatively high energy
FI90934C (fi) * 1992-04-13 1994-04-11 Salon Televisiotehdas Oy Menetelmä digitaalisen informaation sisällyttämiseksi audiosignaaliin ennen sen kanavakoodausta
CA2140779C (fr) * 1993-05-31 2005-09-20 Kyoya Tsutsui Methode, appareil et support d'enregistrement pour le codage de tonalite separee et des composantes spectrales des caracteristiques du bruit d'un signal acoustique
PL174314B1 (pl) * 1993-06-30 1998-07-31 Sony Corp Sposób i urządzenie do dekodowania sygnałów cyfrowych
EP0648031B1 (fr) * 1993-10-12 2007-08-01 Matsushita Electric Industrial Co., Ltd. Système de brouillage audio pour le brouillage et le débrouillage de signaux audio
DE69428435T2 (de) * 1993-11-04 2002-07-11 Sony Corp Signalkodierer, signaldekodierer, aufzeichnungsträger und signalkodiererverfahren
EP0693829A4 (fr) * 1994-02-05 1998-08-26 Sony Corp Procede et dispositif de codage de l'information et procede et dispositif de decodage de l'information
BR9505863A (pt) * 1994-04-01 1996-02-21 Sony Corp Processos para codificar um sinal de entrada para transmitir um sinal codificado e para decodificar uma cadeia de códigos composta de sinais codificados aparelhos para codificar um sinal de entrada e para decodificar uma cadeia de códigos composta de sinais codificados e meio de gravaçao de informações

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412987A1 (fr) * 1977-12-23 1979-07-20 Ibm France Procede de compression de donnees relatives au signal vocal et dispositif mettant en oeuvre ledit procede
US4455649A (en) * 1982-01-15 1984-06-19 International Business Machines Corporation Method and apparatus for efficient statistical multiplexing of voice and data signals
JPS615658A (ja) * 1984-06-01 1986-01-11 Fujitsu Ltd 信号監視回路
DE3506912A1 (de) * 1985-02-27 1986-08-28 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur uebertragung eines audiosignals

Also Published As

Publication number Publication date
IL89672A0 (en) 1989-09-28
KR900701082A (ko) 1990-08-17
JPH03500118A (ja) 1991-01-10
IL89672A (en) 1994-04-12
WO1989010661A1 (fr) 1989-11-02
EP0377687A1 (fr) 1990-07-18
EP0377687A4 (en) 1991-09-11
FI896174A0 (fi) 1989-12-21
KR920007093B1 (ko) 1992-08-24

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C06 Publication
PB01 Publication
C01 Deemed withdrawal of patent application (patent law 1993)
WD01 Invention patent application deemed withdrawn after publication