GB8720681D0 - Interferometric receiver of electromagnetic signals - Google Patents

Interferometric receiver of electromagnetic signals

Info

Publication number
GB8720681D0
GB8720681D0 GBGB8720681.9A GB8720681A GB8720681D0 GB 8720681 D0 GB8720681 D0 GB 8720681D0 GB 8720681 A GB8720681 A GB 8720681A GB 8720681 D0 GB8720681 D0 GB 8720681D0
Authority
GB
United Kingdom
Prior art keywords
electromagnetic signals
interferometric receiver
interferometric
receiver
electromagnetic
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
Application number
GBGB8720681.9A
Other versions
GB2321810B (en
GB2321810A (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.)
Thales SA
Original Assignee
Dassault Electronique 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
Priority claimed from FR8613284A external-priority patent/FR2742552B2/en
Priority claimed from FR8616115A external-priority patent/FR2749399B2/en
Application filed by Dassault Electronique SA filed Critical Dassault Electronique SA
Publication of GB8720681D0 publication Critical patent/GB8720681D0/en
Publication of GB2321810A publication Critical patent/GB2321810A/en
Application granted granted Critical
Publication of GB2321810B publication Critical patent/GB2321810B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
GB8720681A 1986-09-23 1987-09-03 Interferometric receiver of electromagnetic signals Expired - Fee Related GB2321810B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8613284A FR2742552B2 (en) 1986-09-23 1986-09-23 INTERFEROMETRIC RECEIVER WITH INSTANT FREQUENCY MEASUREMENT
FR8616115A FR2749399B2 (en) 1986-11-19 1986-11-19 INTERFEROMETRIC RECEIVER WITH GENERALIZED GAIN CONTROL

Publications (3)

Publication Number Publication Date
GB8720681D0 true GB8720681D0 (en) 1998-03-18
GB2321810A GB2321810A (en) 1998-08-05
GB2321810B GB2321810B (en) 1998-12-09

Family

ID=26225489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8720681A Expired - Fee Related GB2321810B (en) 1986-09-23 1987-09-03 Interferometric receiver of electromagnetic signals

Country Status (2)

Country Link
DE (1) DE3732035C1 (en)
GB (1) GB2321810B (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1449700A (en) * 1965-05-21 1966-05-06 Thomson Houston Comp Francaise Improvements to reception systems for very weak radio signals
US3887923A (en) * 1973-06-26 1975-06-03 Us Navy Radio-frequency holography
US4305074A (en) * 1980-05-12 1981-12-08 The United States Of America As Represented By The Secretary Of The Army Electromagnetic detection apparatus
US4443801A (en) * 1981-06-15 1984-04-17 The United States Of America As Represented By The Secretary Of The Army Direction finding and frequency identification method and apparatus

Also Published As

Publication number Publication date
GB2321810B (en) 1998-12-09
GB2321810A (en) 1998-08-05
DE3732035C1 (en) 1997-07-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020903