GB2320986B - Frequency Discriminator For A Radar Transmitter - Google Patents

Frequency Discriminator For A Radar Transmitter

Info

Publication number
GB2320986B
GB2320986B GB8920014A GB8920014A GB2320986B GB 2320986 B GB2320986 B GB 2320986B GB 8920014 A GB8920014 A GB 8920014A GB 8920014 A GB8920014 A GB 8920014A GB 2320986 B GB2320986 B GB 2320986B
Authority
GB
United Kingdom
Prior art keywords
frequency discriminator
radar transmitter
radar
transmitter
discriminator
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 - Fee Related
Application number
GB8920014A
Other versions
GB2320986A (en
GB8920014D0 (en
Inventor
D S Skidmore
Stan W Waterman
Barry Ephgrave
John Anderson
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.)
Matra Bae Dynamics UK Ltd
Original Assignee
Matra Bae Dynamics UK Ltd
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 Matra Bae Dynamics UK Ltd filed Critical Matra Bae Dynamics UK Ltd
Priority to GB8920014A priority Critical patent/GB2320986B/en
Publication of GB8920014D0 publication Critical patent/GB8920014D0/en
Publication of GB2320986A publication Critical patent/GB2320986A/en
Application granted granted Critical
Publication of GB2320986B publication Critical patent/GB2320986B/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
    • 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
    • G01S7/35—Details of non-pulse systems
    • 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
    • G01S7/40—Means for monitoring or calibrating
    • G01S7/4004—Means for monitoring or calibrating of parts of a radar system
    • G01S7/4008—Means for monitoring or calibrating of parts of a radar system of transmitters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/08—Modifications of modulator to linearise modulation, e.g. by feedback, and clearly applicable to more than one type of modulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/02—Demodulation using distributed inductance and capacitance, e.g. in feeder lines
    • H03D9/04—Demodulation using distributed inductance and capacitance, e.g. in feeder lines for angle-modulated oscillations
    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0001—Circuit elements of demodulators
    • H03D2200/0023—Balun circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB8920014A 1989-09-05 1989-09-05 Frequency Discriminator For A Radar Transmitter Expired - Fee Related GB2320986B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8920014A GB2320986B (en) 1989-09-05 1989-09-05 Frequency Discriminator For A Radar Transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8920014A GB2320986B (en) 1989-09-05 1989-09-05 Frequency Discriminator For A Radar Transmitter

Publications (3)

Publication Number Publication Date
GB8920014D0 GB8920014D0 (en) 1998-02-18
GB2320986A GB2320986A (en) 1998-07-08
GB2320986B true GB2320986B (en) 1998-10-21

Family

ID=10662537

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8920014A Expired - Fee Related GB2320986B (en) 1989-09-05 1989-09-05 Frequency Discriminator For A Radar Transmitter

Country Status (1)

Country Link
GB (1) GB2320986B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2463689C1 (en) * 2011-04-13 2012-10-10 Федеральное государственное военное образовательное учреждение высшего профессионального образования "Военный авиационный инженерный университет" (г. Воронеж) Министерства обороны Российской Федерации Method for frequency modulation and demodulation of high-frequency signals and apparatus for realising said method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005936A (en) * 1977-10-03 1979-04-25 Raytheon Co Frequency measuring apparatus
GB2083965A (en) * 1980-07-25 1982-03-31 Secr Defence Microwave instaneous frequency measurement apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2005936A (en) * 1977-10-03 1979-04-25 Raytheon Co Frequency measuring apparatus
GB2083965A (en) * 1980-07-25 1982-03-31 Secr Defence Microwave instaneous frequency measurement apparatus

Also Published As

Publication number Publication date
GB2320986A (en) 1998-07-08
GB8920014D0 (en) 1998-02-18

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Legal Events

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

Effective date: 20030905