GB1220321A - Improvements to radio-detection methods - Google Patents

Improvements to radio-detection methods

Info

Publication number
GB1220321A
GB1220321A GB09357/62A GB1935762A GB1220321A GB 1220321 A GB1220321 A GB 1220321A GB 09357/62 A GB09357/62 A GB 09357/62A GB 1935762 A GB1935762 A GB 1935762A GB 1220321 A GB1220321 A GB 1220321A
Authority
GB
United Kingdom
Prior art keywords
transmitter
generators
random
receiver
frequency
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
Application number
GB09357/62A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Publication of GB1220321A publication Critical patent/GB1220321A/en
Expired legal-status Critical Current

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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/36—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
    • 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
    • G01S13/106—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using transmission of pulses having some particular characteristics
    • 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/342—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using sinusoidal modulation
    • 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • G01S13/347—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal using more than one modulation 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
    • G01S13/50—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
    • G01S7/36—Means for anti-jamming, e.g. ECCM, i.e. electronic counter-counter measures

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)
GB09357/62A 1961-05-18 1962-05-18 Improvements to radio-detection methods Expired GB1220321A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR862199 1961-05-18

Publications (1)

Publication Number Publication Date
GB1220321A true GB1220321A (en) 1971-01-27

Family

ID=8755438

Family Applications (1)

Application Number Title Priority Date Filing Date
GB09357/62A Expired GB1220321A (en) 1961-05-18 1962-05-18 Improvements to radio-detection methods

Country Status (5)

Country Link
US (1) US3526894A (US20100223739A1-20100909-C00025.png)
DE (1) DE977821C (US20100223739A1-20100909-C00025.png)
FR (1) FR1601714A (US20100223739A1-20100909-C00025.png)
GB (1) GB1220321A (US20100223739A1-20100909-C00025.png)
NL (1) NL278585A (US20100223739A1-20100909-C00025.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120491A (en) * 1982-04-21 1983-11-30 Racal Security Ltd Improvements in and relating to signal transmitting and receiving arrangements
GB2199459A (en) * 1986-11-14 1988-07-06 Marconi Co Ltd Pulse doppler radar
EP0291337A2 (en) * 1987-05-14 1988-11-17 Nec Corporation Coherent pulse radar system

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706993A (en) * 1964-03-09 1972-12-19 Us Navy Search system
GB1514158A (en) * 1969-09-26 1978-06-14 Siemens Ag Pulse radar systems
US3721980A (en) * 1971-09-23 1973-03-20 G Oister Gated range search radar
US4359736A (en) * 1980-11-24 1982-11-16 The United States Of America As Represented By The Secretary Of The Navy Frequency-phase coding device
FR2504276A1 (fr) * 1981-04-21 1982-10-22 Thomson Csf Systeme electromagnetique de detection a correlation et fusee de proximite comportant un tel systeme
FR2656108B1 (fr) * 1989-12-19 1993-02-05 Thomson Applic Radars Centre Procede et systeme radar coherent a impulsions pour la detection d'unhe cible presentant des eclairs de tres courte duree.
DE10226576A1 (de) * 2002-06-14 2004-01-08 Robert Bosch Gmbh Verfahren zur Eliminierung von Scheinobjekten bei Nahbereichs-Puls-Radar-Sensoren

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3216010A (en) * 1952-11-04 1965-11-02 Conrad W Roeschke Range indicating system
US3110897A (en) * 1954-01-13 1963-11-12 Philco Corp Radio echo detection system
US3163862A (en) * 1955-11-09 1964-12-29 Rca Corp Radar system and component apparatus
FR1159718A (fr) * 1957-10-11 1958-07-01 Thomson Houston Comp Francaise Dispositif perfectionné de commande automatique de la fréquence d'un récepteur deradar
NL247239A (US20100223739A1-20100909-C00025.png) * 1959-01-12
GB960849A (en) * 1961-08-31 1964-06-17 Marconi Co Ltd Improvements in or relating to radar systems
US3212087A (en) * 1961-11-24 1965-10-12 Maxson Electronics Corp Range detection system
US3396392A (en) * 1962-04-05 1968-08-06 Army Usa Cw radar system
FR1442324A (fr) * 1964-12-17 1966-06-17 Thomson Houston Comp Francaise Perfectionnements aux systèmes électromagnétiques de détection et de mise à feu

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2120491A (en) * 1982-04-21 1983-11-30 Racal Security Ltd Improvements in and relating to signal transmitting and receiving arrangements
US4529972A (en) * 1982-04-21 1985-07-16 Racal Security Limited Signal transmitting and receiving arrangements
GB2199459A (en) * 1986-11-14 1988-07-06 Marconi Co Ltd Pulse doppler radar
US4827263A (en) * 1986-11-14 1989-05-02 The Marconi Company Limited Pulse doppler radar system
GB2199459B (en) * 1986-11-14 1991-03-13 Marconi Co Ltd Pulse doppler radar system
EP0291337A2 (en) * 1987-05-14 1988-11-17 Nec Corporation Coherent pulse radar system
EP0291337A3 (en) * 1987-05-14 1990-07-04 Nec Corporation Coherent pulse radar system

Also Published As

Publication number Publication date
FR1601714A (US20100223739A1-20100909-C00025.png) 1970-09-14
US3526894A (en) 1970-09-01
DE977821C (de) 1971-01-21
NL278585A (US20100223739A1-20100909-C00025.png)

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