FR2536541B1 - Systeme simplifie d'analyse spectrale a exploitation de phase - Google Patents

Systeme simplifie d'analyse spectrale a exploitation de phase

Info

Publication number
FR2536541B1
FR2536541B1 FR8219566A FR8219566A FR2536541B1 FR 2536541 B1 FR2536541 B1 FR 2536541B1 FR 8219566 A FR8219566 A FR 8219566A FR 8219566 A FR8219566 A FR 8219566A FR 2536541 B1 FR2536541 B1 FR 2536541B1
Authority
FR
France
Prior art keywords
analysis system
spectral analysis
simplified phase
exploit
exploit spectral
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
FR8219566A
Other languages
English (en)
Other versions
FR2536541A1 (fr
Inventor
Louis Marie Fourdan
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.)
Laboratoire Central de Telecommunications SA
Original Assignee
Laboratoire Central de Telecommunications 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 Laboratoire Central de Telecommunications SA filed Critical Laboratoire Central de Telecommunications SA
Priority to FR8219566A priority Critical patent/FR2536541B1/fr
Publication of FR2536541A1 publication Critical patent/FR2536541A1/fr
Application granted granted Critical
Publication of FR2536541B1 publication Critical patent/FR2536541B1/fr
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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/16—Spectrum analysis; Fourier analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • G06F17/142—Fast Fourier transforms, e.g. using a Cooley-Tukey type algorithm

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Algebra (AREA)
  • Discrete Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Complex Calculations (AREA)
FR8219566A 1982-11-23 1982-11-23 Systeme simplifie d'analyse spectrale a exploitation de phase Expired FR2536541B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8219566A FR2536541B1 (fr) 1982-11-23 1982-11-23 Systeme simplifie d'analyse spectrale a exploitation de phase

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8219566A FR2536541B1 (fr) 1982-11-23 1982-11-23 Systeme simplifie d'analyse spectrale a exploitation de phase

Publications (2)

Publication Number Publication Date
FR2536541A1 FR2536541A1 (fr) 1984-05-25
FR2536541B1 true FR2536541B1 (fr) 1988-11-10

Family

ID=9279420

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8219566A Expired FR2536541B1 (fr) 1982-11-23 1982-11-23 Systeme simplifie d'analyse spectrale a exploitation de phase

Country Status (1)

Country Link
FR (1) FR2536541B1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0178892B1 (fr) * 1984-10-12 1993-06-30 British Aerospace Public Limited Company Dispositif de mesure de distance radio et de traitement du signal
GB2189631A (en) * 1986-04-23 1987-10-28 Stc Plc R f spectrum analysing receiver
DE4225401C1 (de) * 1992-07-29 1994-05-26 Siemens Ag Verfahren zum Bestimmen spektraler Anteile eines Signals und Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293921A (en) * 1979-06-15 1981-10-06 Martin Marietta Corporation Method and signal processor for frequency analysis of time domain signals
FR2484672A1 (fr) * 1980-06-13 1981-12-18 Labo Cent Telecommunicat Module de calcul et dispositif de calcul l'utilisant pour la determination de la transformee de fourier discrete d'une suite d'echantillons

Also Published As

Publication number Publication date
FR2536541A1 (fr) 1984-05-25

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Legal Events

Date Code Title Description
CA Change of address
TP Transmission of property
ST Notification of lapse