FR2496899B1 - Dispositif radar operant au moyen d'ondes hachees, modulees en frequence - Google Patents
Dispositif radar operant au moyen d'ondes hachees, modulees en frequenceInfo
- Publication number
- FR2496899B1 FR2496899B1 FR8027041A FR8027041A FR2496899B1 FR 2496899 B1 FR2496899 B1 FR 2496899B1 FR 8027041 A FR8027041 A FR 8027041A FR 8027041 A FR8027041 A FR 8027041A FR 2496899 B1 FR2496899 B1 FR 2496899B1
- Authority
- FR
- France
- Prior art keywords
- hatched
- waves
- radar device
- device operating
- frequency modulated
- 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.)
- 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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/24—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using frequency agility of carrier 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
- 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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/22—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency
- G01S13/222—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using irregular pulse repetition frequency using random or pseudorandom pulse repetition frequency
-
- 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
- G01S13/06—Systems determining position data of a target
- G01S13/08—Systems for measuring distance only
- G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
- G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8027041A FR2496899B1 (fr) | 1980-12-19 | 1980-12-19 | Dispositif radar operant au moyen d'ondes hachees, modulees en frequence |
US06/332,985 US4558322A (en) | 1980-12-19 | 1981-12-21 | Radar system operating by means of frequency modulated pulsed waves |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8027041A FR2496899B1 (fr) | 1980-12-19 | 1980-12-19 | Dispositif radar operant au moyen d'ondes hachees, modulees en frequence |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2496899A1 FR2496899A1 (fr) | 1982-06-25 |
FR2496899B1 true FR2496899B1 (fr) | 1989-06-02 |
Family
ID=9249305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8027041A Expired FR2496899B1 (fr) | 1980-12-19 | 1980-12-19 | Dispositif radar operant au moyen d'ondes hachees, modulees en frequence |
Country Status (2)
Country | Link |
---|---|
US (1) | US4558322A (fr) |
FR (1) | FR2496899B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2709554B1 (fr) * | 1983-08-03 | 1996-02-02 | Dassault Electronique | Procédé et dispositif de radars Doppler à impulsions avec balayage de fréquence. |
US7920884B2 (en) * | 2004-06-04 | 2011-04-05 | Qualcomm Incorporated | Frame structures for a wireless communication system with multiple radio technologies |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB915160A (en) * | 1955-04-25 | 1963-01-09 | Marconi Wireless Telegraph Co | Improvements in or relating to radar systems |
US4142189A (en) * | 1965-01-07 | 1979-02-27 | The Magnavox Company | Radar system |
US4219817A (en) * | 1966-02-18 | 1980-08-26 | The United States Of America As Represented By The Secretary Of The Navy | Protection device for pulsed radar |
US3727222A (en) * | 1970-11-17 | 1973-04-10 | W Hollis | Pseudo-random coded doppler tracking and ranging |
DE2158793B2 (de) * | 1971-11-26 | 1975-04-10 | Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen | Einrichtung zum Messen und Anzeigen des Abstandes und/oder der Abstandsänderung zwischen einem Kraftfahrzeug und einem Hindernis |
US3883871A (en) * | 1973-03-12 | 1975-05-13 | Randolph G Moore | Method and modulation system for ambiguity reduction in pulsed radar |
-
1980
- 1980-12-19 FR FR8027041A patent/FR2496899B1/fr not_active Expired
-
1981
- 1981-12-21 US US06/332,985 patent/US4558322A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2496899A1 (fr) | 1982-06-25 |
US4558322A (en) | 1985-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT7827391A0 (it) | Sistema per la trasmissione di dati mediante una portante modulata d'angolo di ampiezza costante. | |
FR2428763B1 (fr) | Dispositif d'accouplement | |
BE879735A (fr) | Dispositif de pincage de tuyau | |
BE873601A (fr) | Dispositif d'accouplement | |
ATE11988T1 (de) | Demodulator eines frequenzmodulierten signals. | |
BE861350A (fr) | Dispositif porte par la tringlerie d'un pulverisateur de champ | |
FR2352437A1 (fr) | Dispositif de modulation de frequence | |
FR2342537A1 (fr) | Dispositif d'onde acoustique de surface | |
FR2466139B1 (fr) | Dispositif reflecteur d'ondes acoustiques superficielles | |
FR2537805B1 (fr) | Dispositif de linearisation automatique de la caracteristique frequence-signal de commande, d'un oscillateur a frequence variable module en frequence | |
IT1118727B (it) | Sistema multifonico a modulazione di ampiezza a banda laterale indipendente | |
BE862047A (fr) | Dispositif d'entrainement, notamment pour un appareil de transport accompagne | |
FR2341133A1 (fr) | Dispositif pour fournir un signal de debit massique avec ou sans signal de densite | |
BE849669A (fr) | Dispositif d'excitation d'ondes, notamment d'ondes ultrasonores incluant une lentille | |
NO147321C (no) | Frekvensmodulert pulsradaranlegg. | |
FR2496899B1 (fr) | Dispositif radar operant au moyen d'ondes hachees, modulees en frequence | |
IT1119345B (it) | Procedimento e dispositivo per la rigenerazione di un onda portante di modulazione di un segnale modulato | |
FR2490428B1 (fr) | Dispositif de recherche de la frequence d'accord d'un recepteur radioelectrique a modulation de frequence | |
NO148867C (no) | Anordning for aa frembringe amplitudemodulerte ultralydsendepulser | |
LU79790A1 (fr) | Dispositif pour la reconnaissance d'une frequence dans un signal code en mic | |
BE878764A (fr) | Dispositif pour emettre des ondes acoustiques dans un liquide, par implosion | |
FR2445665A1 (fr) | Dispositif de telecommunications hyperfrequence | |
IT1111023B (it) | Dispositivo radar ad effetto doppler | |
BE838511A (fr) | Dispositif permettant la transmission de signaux d'information au moyen de la modulation par codage d'impulsions | |
FR2566206B1 (fr) | Dispositif pour limiter la puissance d'emission d'emetteurs d'ondes radioelectriques |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |