NO760029L - - Google Patents
Info
- Publication number
- NO760029L NO760029L NO760029A NO760029A NO760029L NO 760029 L NO760029 L NO 760029L NO 760029 A NO760029 A NO 760029A NO 760029 A NO760029 A NO 760029A NO 760029 L NO760029 L NO 760029L
- Authority
- NO
- Norway
Links
Classifications
-
- 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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S15/582—Velocity or trajectory determination systems; Sense-of-movement determination systems using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets
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- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
- G01S13/585—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value
- G01S13/586—Velocity or trajectory determination systems; Sense-of-movement determination systems processing the video signal in order to evaluate or display the velocity value using, or combined with, frequency tracking means
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Near-Field Transmission Systems (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2501714A DE2501714C2 (de) | 1975-01-17 | 1975-01-17 | Digitale Frequenznachlaufschaltung zur kontinuierlichen Messung der Trägerfrequenz von Impulsen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO760029L true NO760029L (en:Method) | 1976-07-20 |
| NO143182B NO143182B (no) | 1980-09-15 |
| NO143182C NO143182C (no) | 1980-12-29 |
Family
ID=5936639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO760029A NO143182C (no) | 1975-01-17 | 1976-01-06 | Digital frekvensfoelgerkopling for kontionuerlig maaling av puls-baerefrekvens for mottakingspulser |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2501714C2 (en:Method) |
| FR (1) | FR2298112A1 (en:Method) |
| NO (1) | NO143182C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2821230A1 (de) * | 1978-05-16 | 1979-11-22 | Blaupunkt Werke Gmbh | Verfahren und schaltungsanordnung zum erkennen von diskreten frequenzen |
| DE3447545A1 (de) * | 1984-12-24 | 1986-06-26 | Fried. Krupp Gmbh, 4300 Essen | Dopplerlog fuer ein fahrzeug, insbesondere wasserfahrzeug |
| DE19608331C2 (de) * | 1996-03-05 | 2001-03-01 | Stn Atlas Elektronik Gmbh | Vorrichtung zur Messung der Frequenz eines Eingangssignals sowie deren Verwendung zur Messung der Geschwindigkeit von Wasserfahrzeugen |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL288519A (en:Method) * | 1962-04-25 | |||
| US3351868A (en) * | 1966-02-02 | 1967-11-07 | Bell Telephone Labor Inc | Phase locked loop with fast frequency pull-in |
| GB1204365A (en) * | 1967-09-21 | 1970-09-09 | Standard Telephones Cables Ltd | Phase-locked loop |
| US3411102A (en) * | 1968-01-16 | 1968-11-12 | Itt | Automatic frequency correction for phase locked oscillator systems |
| US3715751A (en) * | 1970-09-30 | 1973-02-06 | Raytheon Co | Digital speed gate for doppler radar |
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1975
- 1975-01-17 DE DE2501714A patent/DE2501714C2/de not_active Expired
-
1976
- 1976-01-06 NO NO760029A patent/NO143182C/no unknown
- 1976-01-13 FR FR7600671A patent/FR2298112A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2298112A1 (fr) | 1976-08-13 |
| DE2501714A1 (de) | 1976-07-22 |
| FR2298112B1 (en:Method) | 1981-11-20 |
| NO143182C (no) | 1980-12-29 |
| NO143182B (no) | 1980-09-15 |
| DE2501714C2 (de) | 1984-06-07 |