IT1077175B - Impianto a modulazione di spostamento psk - Google Patents

Impianto a modulazione di spostamento psk

Info

Publication number
IT1077175B
IT1077175B IT23825/77A IT2382577A IT1077175B IT 1077175 B IT1077175 B IT 1077175B IT 23825/77 A IT23825/77 A IT 23825/77A IT 2382577 A IT2382577 A IT 2382577A IT 1077175 B IT1077175 B IT 1077175B
Authority
IT
Italy
Prior art keywords
psk
modulation system
movement modulation
movement
psk movement
Prior art date
Application number
IT23825/77A
Other languages
English (en)
Original Assignee
Nippon Electric Co
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
Application filed by Nippon Electric Co filed Critical Nippon Electric Co
Application granted granted Critical
Publication of IT1077175B publication Critical patent/IT1077175B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
IT23825/77A 1976-05-21 1977-05-20 Impianto a modulazione di spostamento psk IT1077175B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5930476A JPS52142408A (en) 1976-05-21 1976-05-21 Clock extracting device in double two phase modulation system

Publications (1)

Publication Number Publication Date
IT1077175B true IT1077175B (it) 1985-05-04

Family

ID=13109490

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23825/77A IT1077175B (it) 1976-05-21 1977-05-20 Impianto a modulazione di spostamento psk

Country Status (4)

Country Link
US (1) US4158105A (it)
JP (1) JPS52142408A (it)
CA (1) CA1095594A (it)
IT (1) IT1077175B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338579A (en) * 1980-07-30 1982-07-06 Communications Satelite Corp. Frequency shift offset quadrature modulation and demodulation
US4472817A (en) * 1982-08-09 1984-09-18 Communications Satellite Corporation Non-PLL concurrent carrier clock synchronization
US5703908A (en) * 1993-10-08 1997-12-30 Rutgers University Fixed reference shift keying modulation for mobile radio telecommunications
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation
US7095274B2 (en) * 2002-03-15 2006-08-22 Seiko Epson Corporation System for demodulation of phase shift keying signals
DE60301554T2 (de) * 2003-04-22 2006-02-23 Alcatel Taktrückgewinnung von verzerrten optischen Signalen
JP3841077B2 (ja) * 2003-10-17 2006-11-01 ソニー株式会社 デジタル変調回路およびデジタル変調方法、デジタル復調回路およびデジタル復調方法、復調用キャリアの生成回路および生成方法、並びに復調用ビットクロックの生成回路および生成方法
CN102158205B (zh) * 2011-03-14 2014-03-12 龙芯中科技术有限公司 一种时钟倍频器和装置及时钟倍频方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119749B1 (it) * 1970-08-10 1976-06-19
JPS4861063A (it) * 1971-12-01 1973-08-27
US3753114A (en) * 1971-12-02 1973-08-14 Culbertson Ind Inc Method and apparatus for the recovery of synchronous carrier in a digital communication system
US3993868A (en) 1974-08-19 1976-11-23 Rca Corporation Minimum shift keying communication system
US4039961A (en) * 1974-09-12 1977-08-02 Nippon Telegraph And Telephone Public Corporation Demodulator for combined digital amplitude and phase keyed modulation signals
US4015083A (en) * 1975-08-25 1977-03-29 Bell Telephone Laboratories, Incorporated Timing recovery circuit for digital data

Also Published As

Publication number Publication date
JPS562465B2 (it) 1981-01-20
US4158105A (en) 1979-06-12
CA1095594A (en) 1981-02-10
JPS52142408A (en) 1977-11-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960529