DE68915255D1 - Frequenzmessung. - Google Patents

Frequenzmessung.

Info

Publication number
DE68915255D1
DE68915255D1 DE68915255T DE68915255T DE68915255D1 DE 68915255 D1 DE68915255 D1 DE 68915255D1 DE 68915255 T DE68915255 T DE 68915255T DE 68915255 T DE68915255 T DE 68915255T DE 68915255 D1 DE68915255 D1 DE 68915255D1
Authority
DE
Germany
Prior art keywords
values
frequency
frequency measurement
phase
cumulative 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 - Fee Related
Application number
DE68915255T
Other languages
English (en)
Other versions
DE68915255T2 (de
Inventor
David Robert Bream
Stephen John Roome
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.)
Thorn EMI PLC
Original Assignee
Thorn EMI PLC
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 Thorn EMI PLC filed Critical Thorn EMI PLC
Publication of DE68915255D1 publication Critical patent/DE68915255D1/de
Application granted granted Critical
Publication of DE68915255T2 publication Critical patent/DE68915255T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/12—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into phase shift

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Measuring Phase Differences (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)
  • General Induction Heating (AREA)
DE68915255T 1988-12-10 1989-12-01 Frequenzmessung. Expired - Fee Related DE68915255T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888828912A GB8828912D0 (en) 1988-12-10 1988-12-10 Frequency measurement

Publications (2)

Publication Number Publication Date
DE68915255D1 true DE68915255D1 (de) 1994-06-16
DE68915255T2 DE68915255T2 (de) 1994-12-08

Family

ID=10648322

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68915255T Expired - Fee Related DE68915255T2 (de) 1988-12-10 1989-12-01 Frequenzmessung.

Country Status (5)

Country Link
US (1) US5019823A (de)
EP (1) EP0373802B1 (de)
AT (1) ATE105637T1 (de)
DE (1) DE68915255T2 (de)
GB (1) GB8828912D0 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1244206B (it) * 1990-12-19 1994-07-08 Telettra Spa Sistema e circuito per la stima della frequenza di portante di un segnale
US5644320A (en) * 1994-06-30 1997-07-01 Compaq Computer Corporation Antenna system for a notebook computer
US5790566A (en) * 1994-08-31 1998-08-04 Hughes Electronics Method and device for depuncturing data
US5687163A (en) * 1995-06-07 1997-11-11 Cirrus Logic, Inc. Method and apparatus for signal classification using I/Q quadrant histogram
US5714876A (en) * 1996-04-24 1998-02-03 Tektronix, Inc. In-service serial digital source signal-level and cable-length measurement
US20010055348A1 (en) * 2000-03-31 2001-12-27 Anderson Christopher L. Sequential quadrant demodulation of digitally modulated radio signals
DE10052304C2 (de) * 2000-10-20 2002-09-12 Eads Deutschland Gmbh Vorrichtung und Verfahren zur Frequenzmessung mit Integration der Signalphase
GB0103669D0 (en) * 2001-02-15 2001-03-28 Central Research Lab Ltd A method of estimating the carrier frequency of a phase-modulated signal
US6743278B1 (en) * 2002-12-10 2004-06-01 Advanced Technology Materials, Inc. Gas storage and dispensing system with monolithic carbon adsorbent
GB2418084B (en) * 2004-09-13 2010-01-20 Filtronic Plc Method and apparatus for measuring the frequency of a received signal
US8868364B2 (en) * 2011-04-29 2014-10-21 Analog Devices, Inc. Apparatus and method for real time harmonic spectral analyzer
RU2517799C1 (ru) * 2012-12-21 2014-05-27 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Балтийский Федеральный Университет имени Иммануила Канта" (БФУ им. И. Канта) Способ определения параметров широкополосного сигнала
CN104062494B (zh) * 2014-05-30 2018-08-14 深圳市中电软件有限公司 一种抑制频谱泄漏的采样间隔补偿方法及***
CN104502702B (zh) * 2014-12-10 2017-04-12 广东电网有限责任公司电力科学研究院 检测电力信号的频率的方法和***
JP6954765B2 (ja) * 2017-05-24 2021-10-27 Ｎｅｃネットワーク・センサ株式会社 周波数計測装置、周波数計測方法、およびプログラム

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2738832C2 (de) * 1977-08-29 1979-06-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Verschiebung des Ciutterspektrums bei einem Radarempfänger
DE2833335A1 (de) * 1978-07-29 1980-03-06 Licentia Gmbh Digitaler frequenzdiskriminator
US4291269A (en) * 1979-06-28 1981-09-22 Rca Corporation System and method for frequency discrimination
JPS57133362A (en) * 1981-02-10 1982-08-18 Mitsubishi Electric Corp Frequency detector
JPS5885173A (ja) * 1981-11-16 1983-05-21 Nec Corp 所定周波数信号険出回路
US4504786A (en) * 1982-06-14 1985-03-12 Slaughter Grimes G Signal detector
FR2535462A1 (fr) * 1982-10-29 1984-05-04 Labo Electronique Physique Circuit numerique de mesure de la frequence instantanee d'un signal module ou non en frequence, ainsi que recepteur de television ou de radio equipe d'un tel circuit
US4542657A (en) * 1983-08-26 1985-09-24 General Electric Company Time domain technique to determine mean frequency
US4633516A (en) * 1985-05-30 1986-12-30 United States Of America As Represented By The Secretary Of The Air Force Instantaneous frequency measurement receiver with digital processing
US4743905A (en) * 1985-08-16 1988-05-10 Westinghouse Electric Corp. Electronic counter measure system utilizing a digital RF memory
FR2615626B1 (fr) * 1987-05-21 1989-07-28 Alcatel Espace Procede d'evaluation numerique de la frequence et de la phase de signaux et dispositifs de mise en oeuvre d'un tel procede

Also Published As

Publication number Publication date
US5019823A (en) 1991-05-28
EP0373802B1 (de) 1994-05-11
EP0373802A2 (de) 1990-06-20
GB8828912D0 (en) 1989-01-18
ATE105637T1 (de) 1994-05-15
EP0373802A3 (de) 1991-05-29
DE68915255T2 (de) 1994-12-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee