JPS5341162A - Demodulation system for phase continuous frequency shift keying modulation signal - Google Patents

Demodulation system for phase continuous frequency shift keying modulation signal

Info

Publication number
JPS5341162A
JPS5341162A JP11627176A JP11627176A JPS5341162A JP S5341162 A JPS5341162 A JP S5341162A JP 11627176 A JP11627176 A JP 11627176A JP 11627176 A JP11627176 A JP 11627176A JP S5341162 A JPS5341162 A JP S5341162A
Authority
JP
Japan
Prior art keywords
modulation signal
frequency shift
shift keying
continuous frequency
demodulation system
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.)
Granted
Application number
JP11627176A
Other languages
Japanese (ja)
Other versions
JPS5549471B2 (en
Inventor
Shuichi Samejima
Kenkichi Hiraide
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP11627176A priority Critical patent/JPS5341162A/en
Priority to CA287,170A priority patent/CA1081364A/en
Priority to US05/836,759 priority patent/US4128828A/en
Priority to FR7729055A priority patent/FR2365920A1/en
Priority to DE2743656A priority patent/DE2743656C2/en
Priority to GB40387/77A priority patent/GB1546298A/en
Publication of JPS5341162A publication Critical patent/JPS5341162A/en
Publication of JPS5549471B2 publication Critical patent/JPS5549471B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To improve the code error percentage by decoding the output of 1 and 2 bit delay detection systems by inputting the output to the decoder of the 1-bit error self-vertical cross folding code with 1/2 transmission efficiency.
COPYRIGHT: (C)1978,JPO&Japio
JP11627176A 1976-09-28 1976-09-28 Demodulation system for phase continuous frequency shift keying modulation signal Granted JPS5341162A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP11627176A JPS5341162A (en) 1976-09-28 1976-09-28 Demodulation system for phase continuous frequency shift keying modulation signal
CA287,170A CA1081364A (en) 1976-09-28 1977-09-21 Differential detection systems with non-redundant error correction
US05/836,759 US4128828A (en) 1976-09-28 1977-09-26 Differential detection systems with non-redundant error correction
FR7729055A FR2365920A1 (en) 1976-09-28 1977-09-27 DIFFERENTIAL DETECTION SYSTEM WITH NON-REDUNDANT ERROR CORRECTION
DE2743656A DE2743656C2 (en) 1976-09-28 1977-09-28 Error detection system with non-redundant error correction for satellite communication systems
GB40387/77A GB1546298A (en) 1976-09-28 1977-09-28 Differential detection systems with non-redundant error correction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11627176A JPS5341162A (en) 1976-09-28 1976-09-28 Demodulation system for phase continuous frequency shift keying modulation signal

Publications (2)

Publication Number Publication Date
JPS5341162A true JPS5341162A (en) 1978-04-14
JPS5549471B2 JPS5549471B2 (en) 1980-12-12

Family

ID=14682935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11627176A Granted JPS5341162A (en) 1976-09-28 1976-09-28 Demodulation system for phase continuous frequency shift keying modulation signal

Country Status (1)

Country Link
JP (1) JPS5341162A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527753A (en) * 1978-08-21 1980-02-28 Nippon Telegr & Teleph Corp <Ntt> Demodulation system for digital fm signal
US4528513A (en) * 1983-04-25 1985-07-09 Rca Corporation Digital FM ratio detector with gain-controlled filter
US4567442A (en) * 1981-11-19 1986-01-28 Siemens Aktiengesellschaft Method and apparatus for demodulating time-discrete frequency-modulated signals
JP2009260799A (en) * 2008-04-18 2009-11-05 Mitsubishi Electric Corp Delay detection and demodulation device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752019U (en) * 1980-09-09 1982-03-25
JPS61135425U (en) * 1985-02-14 1986-08-23

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527753A (en) * 1978-08-21 1980-02-28 Nippon Telegr & Teleph Corp <Ntt> Demodulation system for digital fm signal
US4567442A (en) * 1981-11-19 1986-01-28 Siemens Aktiengesellschaft Method and apparatus for demodulating time-discrete frequency-modulated signals
US4528513A (en) * 1983-04-25 1985-07-09 Rca Corporation Digital FM ratio detector with gain-controlled filter
JP2009260799A (en) * 2008-04-18 2009-11-05 Mitsubishi Electric Corp Delay detection and demodulation device

Also Published As

Publication number Publication date
JPS5549471B2 (en) 1980-12-12

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