FR2333246B2 - - Google Patents
Info
- Publication number
- FR2333246B2 FR2333246B2 FR7635863A FR7635863A FR2333246B2 FR 2333246 B2 FR2333246 B2 FR 2333246B2 FR 7635863 A FR7635863 A FR 7635863A FR 7635863 A FR7635863 A FR 7635863A FR 2333246 B2 FR2333246 B2 FR 2333246B2
- Authority
- FR
- France
- 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
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
- 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
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/2806—Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Radar Systems Or Details Thereof (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1518975A CH601804A5 (nl) | 1975-11-24 | 1975-11-24 | |
| CH1531275A CH608621A5 (en) | 1975-11-24 | 1975-11-26 | Method for measuring the frequency and duration of periods of non-coherent wave packets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2333246A2 FR2333246A2 (fr) | 1977-06-24 |
| FR2333246B2 true FR2333246B2 (nl) | 1983-06-24 |
Family
ID=25715901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7635863A Granted FR2333246A2 (fr) | 1975-11-24 | 1976-11-22 | Procede des mesures des frequences et de la duree de periode dans des paquets d'ondes non coherents |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH608621A5 (nl) |
| DE (1) | DE2600433C2 (nl) |
| FR (1) | FR2333246A2 (nl) |
| GB (1) | GB1518579A (nl) |
| NL (1) | NL7612958A (nl) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2411418A1 (fr) * | 1977-12-08 | 1979-07-06 | Labo Cent Telecommunicat | Procede et dispositif d'elimination des echos de retours multiples pour radars doppler a impulsions |
| US4453550A (en) * | 1982-04-19 | 1984-06-12 | General Electric Company | Method and means for detecting a periodic wave structure |
| FR2531225A3 (fr) * | 1982-07-28 | 1984-02-03 | Faiveley Ets | Procede de mesure de parametres cinematiques d'un vehicule terrestre, dispositif pour sa mise en oeuvre, et application a un vehicule ferroviaire |
| GB8612904D0 (en) * | 1986-05-28 | 1986-07-02 | Marconi Instruments Ltd | Electrical apparatus |
| CN116203315B (zh) * | 2023-05-06 | 2023-07-25 | 国仪量子(合肥)技术有限公司 | 频率测量方法及装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1283809A (en) * | 1970-12-08 | 1972-08-02 | Mullard Ltd | Improvements in or relating to the automatic measurement of pulse repetition intervals |
-
1975
- 1975-11-26 CH CH1531275A patent/CH608621A5/xx not_active IP Right Cessation
-
1976
- 1976-01-08 DE DE19762600433 patent/DE2600433C2/de not_active Expired
- 1976-11-22 FR FR7635863A patent/FR2333246A2/fr active Granted
- 1976-11-22 GB GB4864376A patent/GB1518579A/en not_active Expired
- 1976-11-22 NL NL7612958A patent/NL7612958A/nl not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL7612958A (nl) | 1977-05-31 |
| DE2600433A1 (de) | 1977-06-08 |
| DE2600433C2 (de) | 1984-01-19 |
| CH608621A5 (en) | 1979-01-15 |
| GB1518579A (en) | 1978-07-19 |
| FR2333246A2 (fr) | 1977-06-24 |