JPH0142180B2 - - Google Patents

Info

Publication number
JPH0142180B2
JPH0142180B2 JP8106779A JP8106779A JPH0142180B2 JP H0142180 B2 JPH0142180 B2 JP H0142180B2 JP 8106779 A JP8106779 A JP 8106779A JP 8106779 A JP8106779 A JP 8106779A JP H0142180 B2 JPH0142180 B2 JP H0142180B2
Authority
JP
Japan
Prior art keywords
signal
modulation
output signal
digital
phase
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.)
Expired
Application number
JP8106779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS564961A (en
Inventor
Shigeaki Ogose
Masaharu Hata
Kazuaki Murota
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 JP8106779A priority Critical patent/JPS564961A/ja
Publication of JPS564961A publication Critical patent/JPS564961A/ja
Publication of JPH0142180B2 publication Critical patent/JPH0142180B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP8106779A 1979-06-27 1979-06-27 Modulation and demodulation system for digital frequency-modulated signal Granted JPS564961A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8106779A JPS564961A (en) 1979-06-27 1979-06-27 Modulation and demodulation system for digital frequency-modulated signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8106779A JPS564961A (en) 1979-06-27 1979-06-27 Modulation and demodulation system for digital frequency-modulated signal

Publications (2)

Publication Number Publication Date
JPS564961A JPS564961A (en) 1981-01-19
JPH0142180B2 true JPH0142180B2 (enrdf_load_stackoverflow) 1989-09-11

Family

ID=13736040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8106779A Granted JPS564961A (en) 1979-06-27 1979-06-27 Modulation and demodulation system for digital frequency-modulated signal

Country Status (1)

Country Link
JP (1) JPS564961A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6325942B2 (ja) * 2014-08-07 2018-05-16 株式会社東芝 無線通信装置および集積回路
TWI691187B (zh) * 2014-08-21 2020-04-11 日商新力股份有限公司 信號處理裝置及方法

Also Published As

Publication number Publication date
JPS564961A (en) 1981-01-19

Similar Documents

Publication Publication Date Title
JP3424183B2 (ja) 直接スペクトラム拡散用受信機
US4338579A (en) Frequency shift offset quadrature modulation and demodulation
EP0164749A2 (en) High speed data communications system
JPH09505700A (ja) 差動４周波数シフトキーイングを使用するデジタル通信装置
US4438524A (en) Receiver for angle-modulated carrier signals
AU2057399A (en) Transmission method and radio system
US10523416B2 (en) Independent packet detection method using synchronization words with orthogonality and receiver therefor
JPH0142180B2 (enrdf_load_stackoverflow)
US4726038A (en) Digital communication system
US6002725A (en) M-ary FSK receiver
Ohno et al. GMSK frequency detection using decision feedback equalisation
JPS6013630B2 (ja) デイジタル周波数変調通信方式
US7359452B2 (en) Systems and methods for designing a high-precision narrowband digital filter for use in a communications system with high spectral efficiency
JP2540929B2 (ja) デ―タ伝送方法
JPH053180B2 (enrdf_load_stackoverflow)
US6496542B1 (en) Digital communication system
JP3633715B2 (ja) デジタル無線伝送方式
EP0215166A2 (en) Digital communication system
KR970000163B1 (ko) 시분할 다원접속 단말기의 변/복조장치
JPH02200043A (ja) 遅延検波復調回路
KR100219773B1 (ko) 연속위상 주파수키잉 수신기의 최적 문턱값 설정방법
JPS59186452A (ja) 位相連続ｆｓｋ信号の復調装置
JPH0193950A (ja) ディジタルｆｍ検波復調方式
JPS6221352A (ja) 位相連続ｆｓｋ変復調方式
JPS60154754A (ja) デイジタル信号の送受信装置