GB2087187A - Measuring received doppler cycles with fractional cycle counting - Google Patents

Measuring received doppler cycles with fractional cycle counting Download PDF

Info

Publication number
GB2087187A
GB2087187A GB8130762A GB8130762A GB2087187A GB 2087187 A GB2087187 A GB 2087187A GB 8130762 A GB8130762 A GB 8130762A GB 8130762 A GB8130762 A GB 8130762A GB 2087187 A GB2087187 A GB 2087187A
Authority
GB
United Kingdom
Prior art keywords
output
input
frequency
signal
phase detector
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.)
Withdrawn
Application number
GB8130762A
Other languages
English (en)
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB2087187A publication Critical patent/GB2087187A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G01R23/10Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into a train of pulses, which are then counted, i.e. converting the signal into a square wave
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/10Systems for determining distance or velocity not using reflection or reradiation using radio waves using Doppler effect

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB8130762A 1980-11-05 1981-10-12 Measuring received doppler cycles with fractional cycle counting Withdrawn GB2087187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/204,097 US4414504A (en) 1980-11-05 1980-11-05 Fractional doppler counting

Publications (1)

Publication Number Publication Date
GB2087187A true GB2087187A (en) 1982-05-19

Family

ID=22756606

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8130762A Withdrawn GB2087187A (en) 1980-11-05 1981-10-12 Measuring received doppler cycles with fractional cycle counting

Country Status (4)

Country Link
US (1) US4414504A (enExample)
JP (1) JPS57108683A (enExample)
FR (1) FR2493526A1 (enExample)
GB (1) GB2087187A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920460A (en) * 1988-04-12 1990-04-24 Koito Seisakusho Co., Ltd. Self-illuminated grill for motor vehicles

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453165A (en) * 1983-01-03 1984-06-05 Sperry Corporation Differential Doppler receiver
US4936309A (en) * 1984-03-07 1990-06-26 The United States Of America As Represented By The Administrator, National Aeronautics And Space Administration Dual physiological rate measurement instrument
DE3687559T2 (de) * 1985-04-13 1993-05-13 Anritsu Corp Vorrichtung und geraet zur signalmessung nach der frequenzueberlagerungsmethode mit mitteln zur automatischen korrektur der verstimmung.
US4786861A (en) * 1987-09-01 1988-11-22 Sundstrand Data Control, Inc. Frequency counting apparatus and method
JP3179429B2 (ja) * 1999-01-29 2001-06-25 日本電気アイシーマイコンシステム株式会社 周波数測定用テスト回路及びそれを備えた半導体集積回路
EP1452852A1 (en) * 2003-02-28 2004-09-01 ANT Technology Co., Ltd. High resolution biosensor system
US20090103673A1 (en) * 2007-10-22 2009-04-23 Chung Shan Institute Of Science And Technology, Armaments Bureau, M.N.D. Signal power combiner with dynamic phase compensation
FR3058531B1 (fr) * 2016-11-08 2019-08-09 Sigfox Procede de transmission d’un signal par un dispositif emetteur vers un satellite non geosynchrone
US10333532B2 (en) 2017-09-07 2019-06-25 Micron Technology, Inc. Apparatuses and methods for detecting a loop count in a delay-locked loop

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764903A (en) * 1972-08-07 1973-10-09 Rca Corp Phase measuring system
GB1489923A (en) * 1974-02-12 1977-10-26 Standard Telephones Cables Ltd Frequency measuring arrangement
US3916307A (en) * 1974-02-14 1975-10-28 Hekimian Laboratories Inc Time jitter meter
US3978403A (en) * 1974-05-06 1976-08-31 Minnesota Mining And Manufacturing Company Automatic tracking signal analyzer
US3984770A (en) * 1975-02-05 1976-10-05 Hewlett-Packard Company Frequency measurement using phase continuous frequency switching
US3982190A (en) * 1975-07-31 1976-09-21 Rockwell International Corporation Phaselock circuitry with lock indication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4920460A (en) * 1988-04-12 1990-04-24 Koito Seisakusho Co., Ltd. Self-illuminated grill for motor vehicles

Also Published As

Publication number Publication date
FR2493526A1 (fr) 1982-05-07
US4414504A (en) 1983-11-08
JPS57108683A (en) 1982-07-06
FR2493526B3 (enExample) 1983-09-30

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)