GB1308089A - Signal processor particularly for doppler radar system - Google Patents

Signal processor particularly for doppler radar system

Info

Publication number
GB1308089A
GB1308089A GB4728871A GB4728871A GB1308089A GB 1308089 A GB1308089 A GB 1308089A GB 4728871 A GB4728871 A GB 4728871A GB 4728871 A GB4728871 A GB 4728871A GB 1308089 A GB1308089 A GB 1308089A
Authority
GB
United Kingdom
Prior art keywords
signal
pulse
fed
band
pulse modulator
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
GB4728871A
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of GB1308089A publication Critical patent/GB1308089A/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
    • G01S13/50—Systems of measurement based on relative movement of target
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
    • G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
    • 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
    • G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB4728871A 1970-11-23 1971-10-11 Signal processor particularly for doppler radar system Expired GB1308089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9172370A 1970-11-23 1970-11-23

Publications (1)

Publication Number Publication Date
GB1308089A true GB1308089A (en) 1973-02-21

Family

ID=22229350

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4728871A Expired GB1308089A (en) 1970-11-23 1971-10-11 Signal processor particularly for doppler radar system

Country Status (11)

Country Link
US (1) US3706095A (enExample)
JP (1) JPS5120278B1 (enExample)
AU (1) AU459613B2 (enExample)
BE (1) BE775477A (enExample)
CA (1) CA967671A (enExample)
DE (1) DE2157342C3 (enExample)
FR (1) FR2115186B1 (enExample)
GB (1) GB1308089A (enExample)
IL (1) IL37880A (enExample)
IT (1) IT942256B (enExample)
NL (1) NL182246C (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079378A (en) * 1977-02-28 1978-03-14 General Dynamics Corporation Coherent pulse radar system with time-shared frequency source
DE2907315A1 (de) * 1979-02-24 1980-08-28 Philips Patentverwaltung Schaltungsanordnung zur auswertung von dopplerradarsignalen fuer ein dopplerradar im ghz-bereich
FR2472759A1 (fr) * 1979-12-28 1981-07-03 Thomson Csf Dispositif d'elimination des echos fixes dans les equipements de detection electromagnetique et equipements comportant un tel dispositif
US5327141A (en) * 1986-11-06 1994-07-05 Raytheon Company Clutter removal by polynomial compensation
US5508605A (en) * 1994-05-24 1996-04-16 Alliedsignal Inc. Method for measuring RF pulse frequency
US5805460A (en) * 1994-10-21 1998-09-08 Alliedsignal Inc. Method for measuring RF pulse rise time, fall time and pulse width
US5519399A (en) * 1994-12-05 1996-05-21 Alliedsignal Inc. Method for measuring the frequency of continuous wave and wide pulse RF signals
US7812760B2 (en) * 2006-04-20 2010-10-12 Anritsu Corporation Short-range radar and control method thereof

Also Published As

Publication number Publication date
DE2157342B2 (de) 1973-11-15
AU459613B2 (en) 1975-04-10
NL182246B (nl) 1987-09-01
NL182246C (nl) 1988-02-01
NL7116092A (enExample) 1972-05-25
BE775477A (fr) 1972-03-16
FR2115186B1 (enExample) 1977-01-21
JPS5120278B1 (enExample) 1976-06-23
US3706095A (en) 1972-12-12
IT942256B (it) 1973-03-20
DE2157342A1 (de) 1972-05-31
IL37880A0 (en) 1972-01-27
FR2115186A1 (enExample) 1972-07-07
CA967671A (en) 1975-05-13
IL37880A (en) 1974-03-14
AU3445971A (en) 1973-04-19
DE2157342C3 (de) 1974-06-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years