JPH0586098B2 - - Google Patents

Info

Publication number
JPH0586098B2
JPH0586098B2 JP58059228A JP5922883A JPH0586098B2 JP H0586098 B2 JPH0586098 B2 JP H0586098B2 JP 58059228 A JP58059228 A JP 58059228A JP 5922883 A JP5922883 A JP 5922883A JP H0586098 B2 JPH0586098 B2 JP H0586098B2
Authority
JP
Japan
Prior art keywords
signal
frequency
carrier wave
wave
modulated
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 - Lifetime
Application number
JP58059228A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59201564A (ja
Inventor
Susumu Sasaki
Hiroshi Nakamura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP58059228A priority Critical patent/JPS59201564A/ja
Priority to US06/594,987 priority patent/US4606048A/en
Priority to DE8484302355T priority patent/DE3485098D1/de
Priority to EP84302355A priority patent/EP0122127B1/fr
Publication of JPS59201564A publication Critical patent/JPS59201564A/ja
Publication of JPH0586098B2 publication Critical patent/JPH0586098B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/02Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/361Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP58059228A 1983-04-06 1983-04-06 無線通信方式 Granted JPS59201564A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP58059228A JPS59201564A (ja) 1983-04-06 1983-04-06 無線通信方式
US06/594,987 US4606048A (en) 1983-04-06 1984-03-29 Radio communication system
DE8484302355T DE3485098D1 (de) 1983-04-06 1984-04-06 Radio-kommunikationssystem.
EP84302355A EP0122127B1 (fr) 1983-04-06 1984-04-06 Système de radio-communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58059228A JPS59201564A (ja) 1983-04-06 1983-04-06 無線通信方式

Publications (2)

Publication Number Publication Date
JPS59201564A JPS59201564A (ja) 1984-11-15
JPH0586098B2 true JPH0586098B2 (fr) 1993-12-09

Family

ID=13107305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58059228A Granted JPS59201564A (ja) 1983-04-06 1983-04-06 無線通信方式

Country Status (1)

Country Link
JP (1) JPS59201564A (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852408A (fr) * 1971-11-04 1973-07-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4852408A (fr) * 1971-11-04 1973-07-23

Also Published As

Publication number Publication date
JPS59201564A (ja) 1984-11-15

Similar Documents

Publication Publication Date Title
JP3478508B2 (ja) 無線通信装置
EP0186884A2 (fr) Système de communication à spectre étalé
US4359692A (en) Rapid acquisition shift keyed signal demodulator
US4660193A (en) Digital modulation method for standard broadcast FM subcarrier
KR890002727B1 (ko) 무선 통신 시스템내의 수신기 유니트
CA1217233A (fr) Systeme de radiocommunication am avec tension de polarisation continue dans un canal
US4606048A (en) Radio communication system
JPH0542863B2 (fr)
EP0206203B1 (fr) Appareil d'enregistrement et de reproduction utilisant un modulateur/démodulateur à modulation de phase différentielle décalée en quadrature
EP0293991A1 (fr) Récepteur pour une porteuse modulée par déphasage
US4250456A (en) Device for demodulating PSK-FM double modulated carrier signals
JPH0586098B2 (fr)
US3971999A (en) Coherent phase demodulator for phase shift keyed suppressed carrier signals
JPH0586097B2 (fr)
US5061999A (en) Multiplex signal processing apparatus
JPH0724409B2 (ja) 4相psk復調装置のキ−ド自動レベル制御回路
US5189564A (en) Magnetic recording/reproducing method and apparatus
JPH0474905B2 (fr)
JPH0142528B2 (fr)
JP2545882B2 (ja) データ再生装置
JPS6330049A (ja) Msk復調回路
KR950003667B1 (ko) 비.에프.에스.케이(BFSK) 복조방식을 이용한 엠.에스.케이(MSK;minimum shift keying)의 변복조 장치
JP2543802B2 (ja) 音声信号注入形搬送波同期装置
JP2689806B2 (ja) 同期型スペクトル拡散変調波の復調装置
JPS62277828A (ja) 光伝送装置