JPS5972850A - キャリア位相擾乱測定装置 - Google Patents

キャリア位相擾乱測定装置

Info

Publication number
JPS5972850A
JPS5972850A JP18322582A JP18322582A JPS5972850A JP S5972850 A JPS5972850 A JP S5972850A JP 18322582 A JP18322582 A JP 18322582A JP 18322582 A JP18322582 A JP 18322582A JP S5972850 A JPS5972850 A JP S5972850A
Authority
JP
Japan
Prior art keywords
mean value
frequency offset
terminal
value
signal
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
JP18322582A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0423859B2 (cg-RX-API-DMAC7.html
Inventor
Kojiro Watanabe
孝次郎 渡辺
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP18322582A priority Critical patent/JPS5972850A/ja
Priority to EP83109861A priority patent/EP0105513B1/en
Priority to DE8383109861T priority patent/DE3381073D1/de
Priority to CA000438337A priority patent/CA1224531A/en
Priority to US06/539,017 priority patent/US4542514A/en
Priority to AU19863/83A priority patent/AU555705B2/en
Publication of JPS5972850A publication Critical patent/JPS5972850A/ja
Publication of JPH0423859B2 publication Critical patent/JPH0423859B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier 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
    • H04L27/38Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/20Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/206Arrangements for detecting or preventing errors in the information received using signal quality detector for modulated signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP18322582A 1982-10-04 1982-10-19 キャリア位相擾乱測定装置 Granted JPS5972850A (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP18322582A JPS5972850A (ja) 1982-10-19 1982-10-19 キャリア位相擾乱測定装置
EP83109861A EP0105513B1 (en) 1982-10-04 1983-10-03 Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
DE8383109861T DE3381073D1 (de) 1982-10-04 1983-10-03 Verfahren zur qualitaetsmessung eines empfangssignals eines empfaengers in einem zweidimensionalen linear modulierten datenuebertragungssystem.
CA000438337A CA1224531A (en) 1982-10-04 1983-10-04 Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
US06/539,017 US4542514A (en) 1982-10-04 1983-10-04 Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
AU19863/83A AU555705B2 (en) 1982-10-04 1983-10-05 Qam quality monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18322582A JPS5972850A (ja) 1982-10-19 1982-10-19 キャリア位相擾乱測定装置

Publications (2)

Publication Number Publication Date
JPS5972850A true JPS5972850A (ja) 1984-04-24
JPH0423859B2 JPH0423859B2 (cg-RX-API-DMAC7.html) 1992-04-23

Family

ID=16131975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18322582A Granted JPS5972850A (ja) 1982-10-04 1982-10-19 キャリア位相擾乱測定装置

Country Status (1)

Country Link
JP (1) JPS5972850A (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63278446A (ja) * 1987-05-09 1988-11-16 Fujitsu Ltd 位相ジッタモニタ装置
JPH06297881A (ja) * 1993-04-15 1994-10-25 Ishizaki Shizai Kk カレンダー

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63278446A (ja) * 1987-05-09 1988-11-16 Fujitsu Ltd 位相ジッタモニタ装置
JPH06297881A (ja) * 1993-04-15 1994-10-25 Ishizaki Shizai Kk カレンダー

Also Published As

Publication number Publication date
JPH0423859B2 (cg-RX-API-DMAC7.html) 1992-04-23

Similar Documents

Publication Publication Date Title
US6219376B1 (en) Apparatuses and methods of suppressing a narrow-band interference with a compensator and adjustment loops
US6671334B1 (en) Measurement receiver demodulator
CN100481828C (zh) 正交调制器幅度失衡补偿
EP0366159A1 (en) Non intrusive channel impairment analyser
US20140005966A1 (en) Method and system for performing complex sampling of signals by using two or more sampling channels and for calculating time delays between these channels
US6498820B1 (en) Low complexity frequency estimator and interference cancellation method and device
EP0105513B1 (en) Method of measuring quality of a signal received by a receiver of a two-dimensional linear modulation data communication system
US9425908B1 (en) Method and apparatus for estimating the current signal-to-noise ratio
JP3179267B2 (ja) フィルタ及びこのフィルタを用いたキャリア位相推定装置
WO2015070820A1 (zh) 扩频信号的生成方法、生成装置、接收方法和接收装置
CN103516394B (zh) 电缆的预补偿系数的获取方法和装置
JPS5972850A (ja) キャリア位相擾乱測定装置
CA1111562A (en) Method and device for measuring the slope of the envelope delay characteristic of a transmission channel and their application to the automatic equalizer selection technique
US6535073B1 (en) Device and method for I/Q modulation, frequency translation and upsampling
JP2540931B2 (ja) Psk信号復調方法
JPH04346532A (ja) フレーム同期方法および装置
KR101818656B1 (ko) 2 이상의 샘플링 채널을 사용하여 신호의 복소 샘플링을 수행하고 이들 채널들 간에 시간지연을 계산하기 위한 방법 및 시스템
CN116582397B (zh) 一种信号调制参数的估计方法及系统
RU1798738C (ru) Способ определени отношени сигнал/шум и устройство дл его осуществлени
JP3423520B2 (ja) スペクトラム拡散による配電線搬送方法
JP2004023405A (ja) 遅延プロファイル測定装置および遅延プロファイル測定方法
JP4129530B2 (ja) 搬送波同期方式
CN118444334A (zh) 一种扫频干扰信号抑制方法
JPH05292138A (ja) 最尤系列推定受信機
JPH0738615A (ja) Cn比測定手段