CA1103338A - Frequency measuring circuit in a passive radar receiver - Google Patents

Frequency measuring circuit in a passive radar receiver

Info

Publication number
CA1103338A
CA1103338A CA300,845A CA300845A CA1103338A CA 1103338 A CA1103338 A CA 1103338A CA 300845 A CA300845 A CA 300845A CA 1103338 A CA1103338 A CA 1103338A
Authority
CA
Canada
Prior art keywords
frequency
discriminator
signal
circuit
decoder
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
CA300,845A
Other languages
English (en)
French (fr)
Inventor
Huibert B. Langeraar
Gerrit Van Rooijen
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 Nederland BV
Original Assignee
Thales Nederland BV
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 Thales Nederland BV filed Critical Thales Nederland BV
Application granted granted Critical
Publication of CA1103338A publication Critical patent/CA1103338A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • 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
    • G01S7/021—Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Radar Systems Or Details Thereof (AREA)
CA300,845A 1977-04-26 1978-04-11 Frequency measuring circuit in a passive radar receiver Expired CA1103338A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7704526 1977-04-26
NLAANVRAGE7704526,A NL179416C (nl) 1977-04-26 1977-04-26 Frequentiemeetinrichting voor een passieve radarontvangeenheid.

Publications (1)

Publication Number Publication Date
CA1103338A true CA1103338A (en) 1981-06-16

Family

ID=19828436

Family Applications (1)

Application Number Title Priority Date Filing Date
CA300,845A Expired CA1103338A (en) 1977-04-26 1978-04-11 Frequency measuring circuit in a passive radar receiver

Country Status (9)

Country Link
US (1) US4188628A (enExample)
CA (1) CA1103338A (enExample)
CH (1) CH629310A5 (enExample)
DE (1) DE2816978A1 (enExample)
FR (1) FR2389138A1 (enExample)
GB (1) GB1601683A (enExample)
IT (1) IT1102053B (enExample)
NL (1) NL179416C (enExample)
SE (1) SE428841B (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4301454A (en) * 1979-11-30 1981-11-17 Bunker Ramo Corporation Channelized receiver system
US4336541A (en) * 1980-08-08 1982-06-22 The United States Of America As Represented By The Secretary Of The Air Force Simultaneous signal detector for an instantaneous frequency measurement receiver
US4398196A (en) * 1981-03-23 1983-08-09 Westinghouse Electric Corp. Instantaneous broadband radar signal pulse detector
US4471340A (en) * 1981-06-02 1984-09-11 The United States Of America As Represented By The Secretary Of The Navy Analog to digital converter
US4426648A (en) 1981-06-09 1984-01-17 The United States Of America As Represented By The Secretary Of The Air Force Simultaneous signal detection for IFM receivers by detecting intermodulation products
IT1171334B (it) * 1981-06-25 1987-06-10 Selenia Ind Elettroniche Dispositivo per effettuare la stima della frequenza di scansione del segnale di un radar d'inseguimento a scansione conica
US4547727A (en) * 1983-07-08 1985-10-15 The United States Of America As Represented By The Secretary Of The Air Force Simultaneous signal detection for IFM receivers by transient detection
FR2629600B1 (fr) * 1984-08-24 1991-10-11 Thomson Csf Dispositif de reception radar et radar comportant un tel dispositif
GB2190256B (en) * 1986-05-09 1990-04-25 Signal Processors Ltd Radio beacon receiving apparatus
US4750215A (en) * 1986-06-24 1988-06-07 Cincinnati Microwave, Inc. Police radar signal detection circuitry for a police radar warning receiver
US5189420A (en) * 1990-06-08 1993-02-23 The Mitre Corporation Method and apparatus for direct analog to formatted digital number conversion
US5440228A (en) * 1994-03-09 1995-08-08 Schmidt; Ralph O. Simultaneous signals IFM receiver using plural delay line correlators
GB2415722B (en) * 2003-03-05 2007-12-05 Weatherford Lamb Casing running and drilling system
US20040237228A1 (en) * 2003-05-29 2004-12-02 Wade King Power scrubber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3003107A (en) * 1957-06-08 1961-10-03 Rochar Electronique Apparatus for measuring the frequency of a cyclic phenomenon
US3189820A (en) * 1961-04-26 1965-06-15 Cutler Hammer Inc Plural channel signal receiver including signal delay means
US3617900A (en) * 1966-07-07 1971-11-02 Litton Systems Inc Digital frequency detecting system
US3800221A (en) * 1972-05-26 1974-03-26 Anaren Microwave Inc Digital frequency meter

Also Published As

Publication number Publication date
NL179416B (nl) 1986-04-01
DE2816978A1 (de) 1978-11-09
CH629310A5 (de) 1982-04-15
IT1102053B (it) 1985-10-07
FR2389138A1 (fr) 1978-11-24
US4188628A (en) 1980-02-12
SE428841B (sv) 1983-07-25
IT7849049A0 (it) 1978-04-24
NL7704526A (nl) 1978-10-30
GB1601683A (en) 1981-11-04
FR2389138B1 (enExample) 1983-04-01
NL179416C (nl) 1986-09-01
SE7804494L (sv) 1978-10-27

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Legal Events

Date Code Title Description
MKEX Expiry