GB2087187A - Measuring received doppler cycles with fractional cycle counting - Google Patents
Measuring received doppler cycles with fractional cycle counting Download PDFInfo
- 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- Withdrawn
Links
- 238000000034 method Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 241000233805 Phoenix Species 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- G01R23/10—Arrangements 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
- G01S11/10—Systems 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)
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)
| 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)
| 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)
| 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 |
-
1980
- 1980-11-05 US US06/204,097 patent/US4414504A/en not_active Expired - Lifetime
-
1981
- 1981-10-12 GB GB8130762A patent/GB2087187A/en not_active Withdrawn
- 1981-11-04 FR FR8120694A patent/FR2493526A1/fr active Granted
- 1981-11-05 JP JP56177774A patent/JPS57108683A/ja active Pending
Cited By (1)
| 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) |