ES400831A1 - Sistema adaptable de cancelacion de velocidad de perturba- cion para sistemas pulsados digitales mti. - Google Patents

Sistema adaptable de cancelacion de velocidad de perturba- cion para sistemas pulsados digitales mti.

Info

Publication number
ES400831A1
ES400831A1 ES400831A ES400831A ES400831A1 ES 400831 A1 ES400831 A1 ES 400831A1 ES 400831 A ES400831 A ES 400831A ES 400831 A ES400831 A ES 400831A ES 400831 A1 ES400831 A1 ES 400831A1
Authority
ES
Spain
Prior art keywords
margin
increments
mti
translation
signals
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
ES400831A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana 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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES400831A1 publication Critical patent/ES400831A1/es
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating 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
    • G01S13/5242Discriminating 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 with means for platform motion or scan motion compensation, e.g. airborne MTI
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating 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
    • G01S13/5244Adaptive clutter cancellation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S13/00Systems 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
    • G01S13/02Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/50Systems of measurement based on relative movement of target
    • G01S13/52Discriminating between fixed and moving objects or between objects moving at different speeds
    • G01S13/522Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
    • G01S13/524Discriminating 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
    • G01S13/526Discriminating 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 the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
ES400831A 1971-03-17 1972-03-16 Sistema adaptable de cancelacion de velocidad de perturba- cion para sistemas pulsados digitales mti. Expired ES400831A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12525771A 1971-03-17 1971-03-17

Publications (1)

Publication Number Publication Date
ES400831A1 true ES400831A1 (es) 1975-02-01

Family

ID=22418862

Family Applications (1)

Application Number Title Priority Date Filing Date
ES400831A Expired ES400831A1 (es) 1971-03-17 1972-03-16 Sistema adaptable de cancelacion de velocidad de perturba- cion para sistemas pulsados digitales mti.

Country Status (5)

Country Link
JP (1) JPS5113638B1 (es)
DE (1) DE2212272A1 (es)
ES (1) ES400831A1 (es)
FR (1) FR2130388B1 (es)
IT (1) IT950144B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2413607C2 (de) * 1974-03-21 1983-05-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur Unterdrückung von Signalen bewegter Störziele in einem Quadraturradarsystem
FR2302535A2 (fr) * 1975-02-25 1976-09-24 Int Standard Electric Corp Radar doppler a elimination d'images parasites
FR2340554A1 (fr) * 1976-02-03 1977-09-02 Thomson Csf Dispositif de traitement des signaux d'un radar coherent a l'impulsions et systeme radar comportant un tel dispositif
NL185959C (nl) * 1976-05-26 1990-08-16 Raytheon Co Pulsdopplerradarstelsel met digitale signaalverwerking.
FR2353864A1 (fr) * 1976-06-01 1977-12-30 Raytheon Co Dispositif radar numerique a elimination d'images parasites
SE409148B (sv) * 1977-08-12 1979-07-30 Ericsson Telefon Ab L M Filteranordning ingaende i mottagaren hos en pulsdopplerradar

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1114531A (en) * 1964-02-12 1968-05-22 Emi Ltd Improvements relating to radar
US3505637A (en) * 1964-03-10 1970-04-07 Us Navy Digital overflow threshold for sonar
DE1516760B2 (de) * 1966-04-07 1971-12-30 Hughes Aircraft Co., Culver City, Calif. (V.StA.) Geraet zur automatischen radarzielfeststellung beim vorliegen ausreichend vieler videoquanten nicht zu langer quanten komplexe
FR1527968A (fr) * 1967-04-12 1968-06-07 Electronique & Radio Ind Perfectionnements aux dispositifs éliminateurs de zones denses
US3500396A (en) * 1968-12-23 1970-03-10 Usa Background averaging system for improving radar target detection

Also Published As

Publication number Publication date
FR2130388A1 (es) 1972-11-03
FR2130388B1 (es) 1975-10-24
IT950144B (it) 1973-06-20
JPS5113638B1 (es) 1976-05-01
DE2212272A1 (de) 1972-09-28

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