FR2332539A1 - Procede de mesure des frequences et de la duree de periode dans des paquets d'ondes non coherents - Google Patents
Procede de mesure des frequences et de la duree de periode dans des paquets d'ondes non coherentsInfo
- Publication number
- FR2332539A1 FR2332539A1 FR7635861A FR7635861A FR2332539A1 FR 2332539 A1 FR2332539 A1 FR 2332539A1 FR 7635861 A FR7635861 A FR 7635861A FR 7635861 A FR7635861 A FR 7635861A FR 2332539 A1 FR2332539 A1 FR 2332539A1
- Authority
- FR
- France
- Prior art keywords
- duration
- frequency
- wave packets
- packets
- test criteria
- 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.)
- Granted
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)
- Complex Calculations (AREA)
- Measuring Frequencies, Analyzing Spectra (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1518975A CH601804A5 (enrdf_load_stackoverflow) | 1975-11-24 | 1975-11-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2332539A1 true FR2332539A1 (fr) | 1977-06-17 |
FR2332539B1 FR2332539B1 (enrdf_load_stackoverflow) | 1982-12-10 |
Family
ID=4407096
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7635861A Granted FR2332539A1 (fr) | 1975-11-24 | 1976-11-22 | Procede de mesure des frequences et de la duree de periode dans des paquets d'ondes non coherents |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH601804A5 (enrdf_load_stackoverflow) |
DE (1) | DE2557906C2 (enrdf_load_stackoverflow) |
FR (1) | FR2332539A1 (enrdf_load_stackoverflow) |
IT (1) | IT1064552B (enrdf_load_stackoverflow) |
NL (1) | NL7612957A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2554599A1 (fr) * | 1983-11-08 | 1985-05-10 | Renault | Procede et dispositif de mesure par ultrasons de la vitesse d'avancement d'un vehicule par rapport au sol |
EP0125108A3 (en) * | 1983-05-05 | 1986-06-25 | Deere & Company | Radar ground speed sensing system |
EP0140518A3 (en) * | 1983-08-29 | 1986-06-25 | Dickey-John Corporation | Radar velocity sensor |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2801520A1 (de) * | 1978-01-14 | 1979-07-19 | Bosch Gmbh Robert | Messeinrichtung zur bestimmung der periodendauer einer wechselspannung |
DE2914072C2 (de) * | 1979-04-07 | 1985-06-20 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Schaltungsanordnung zur Ermittlung der Periodendauer und/oder davon abgeleiteten Größen eines im wesentlichen periodischen Signals |
DE3120525C2 (de) * | 1981-05-22 | 1986-11-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und Schaltung zur digitalen Erfassung der Frequenz eines niderfrequent schwankenden elektrischen Signals |
JPS57194371A (en) * | 1981-05-27 | 1982-11-29 | Hitachi Ltd | Doppler radar type vehicle speedometer |
DE4313352C2 (de) * | 1992-12-04 | 1995-11-16 | Pepperl & Fuchs | Verfahren und Vorrichtung zum automatischen Feststellen von sich bewegenden Personen und/oder Fahrzeugen nach dem Doppler-Prinzip |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH414210A (de) * | 1962-10-23 | 1966-05-31 | Telefunken Patent | Verfahren zur Geschwindigkeitsbestimmung von Objekten mittels eines Doppler-Radargerätes und zur Identifizierung derselben |
DE2009833A1 (de) * | 1970-03-03 | 1970-09-17 | Matejka E | Verfahren und Anordnung zur Frequenzmessung |
FR2279113A1 (fr) * | 1974-07-17 | 1976-02-13 | Sfim | Cinemometre a effet doppler |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2050556A5 (en) * | 1969-06-17 | 1971-04-02 | Owens Corning Fiberglass Corp | Measuring variable state in extrusion of - glass fibres of constant diameter |
CH521590A (de) * | 1970-09-25 | 1972-04-15 | Bbc Brown Boveri & Cie | Verfahren und Einrichtung zur Messung der Periodendauer eines elektrischen Signals mit statistisch schwänkenden Signalamplituden |
GB1283809A (en) * | 1970-12-08 | 1972-08-02 | Mullard Ltd | Improvements in or relating to the automatic measurement of pulse repetition intervals |
-
1975
- 1975-11-24 CH CH1518975A patent/CH601804A5/xx not_active IP Right Cessation
- 1975-12-22 DE DE19752557906 patent/DE2557906C2/de not_active Expired
-
1976
- 1976-11-22 IT IT2963076A patent/IT1064552B/it active
- 1976-11-22 FR FR7635861A patent/FR2332539A1/fr active Granted
- 1976-11-22 NL NL7612957A patent/NL7612957A/xx not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH414210A (de) * | 1962-10-23 | 1966-05-31 | Telefunken Patent | Verfahren zur Geschwindigkeitsbestimmung von Objekten mittels eines Doppler-Radargerätes und zur Identifizierung derselben |
DE2009833A1 (de) * | 1970-03-03 | 1970-09-17 | Matejka E | Verfahren und Anordnung zur Frequenzmessung |
FR2279113A1 (fr) * | 1974-07-17 | 1976-02-13 | Sfim | Cinemometre a effet doppler |
Non-Patent Citations (1)
Title |
---|
EXRV/74 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0125108A3 (en) * | 1983-05-05 | 1986-06-25 | Deere & Company | Radar ground speed sensing system |
EP0140518A3 (en) * | 1983-08-29 | 1986-06-25 | Dickey-John Corporation | Radar velocity sensor |
FR2554599A1 (fr) * | 1983-11-08 | 1985-05-10 | Renault | Procede et dispositif de mesure par ultrasons de la vitesse d'avancement d'un vehicule par rapport au sol |
EP0146432A1 (fr) * | 1983-11-08 | 1985-06-26 | Regie Nationale Des Usines Renault | Procédé et dispositif de mesure par ultrasons de la vitesse d'avancement d'un véhicule par rapport au sol |
Also Published As
Publication number | Publication date |
---|---|
FR2332539B1 (enrdf_load_stackoverflow) | 1982-12-10 |
IT1064552B (it) | 1985-02-18 |
NL7612957A (nl) | 1977-05-26 |
DE2557906A1 (de) | 1977-06-02 |
DE2557906C2 (de) | 1983-10-20 |
CH601804A5 (enrdf_load_stackoverflow) | 1978-07-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |