FR2165706A1 - - Google Patents

Info

Publication number
FR2165706A1
FR2165706A1 FR7141832A FR7141832A FR2165706A1 FR 2165706 A1 FR2165706 A1 FR 2165706A1 FR 7141832 A FR7141832 A FR 7141832A FR 7141832 A FR7141832 A FR 7141832A FR 2165706 A1 FR2165706 A1 FR 2165706A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7141832A
Other languages
French (fr)
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 SA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Dassault Electronique 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 Commissariat a lEnergie Atomique CEA, Dassault Electronique SA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7141832A priority Critical patent/FR2165706A1/fr
Priority to IT7067372A priority patent/IT975821B/it
Priority to DE19722257534 priority patent/DE2257534A1/de
Priority to JP11786772A priority patent/JPS4876577A/ja
Publication of FR2165706A1 publication Critical patent/FR2165706A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/1921—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions for forming Fourier integrals, harmonic analysis and synthesis
    • 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
    • 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
    • G01R23/165—Spectrum analysis; Fourier analysis using filters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Computer Hardware Design (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR7141832A 1971-11-23 1971-11-23 Withdrawn FR2165706A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7141832A FR2165706A1 (zh) 1971-11-23 1971-11-23
IT7067372A IT975821B (it) 1971-11-23 1972-11-22 Procedimento e dispositivo per l analisi spettrale di un segnale
DE19722257534 DE2257534A1 (de) 1971-11-23 1972-11-23 Verfahren und vorrichtung zur spektralanalyse
JP11786772A JPS4876577A (zh) 1971-11-23 1972-11-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7141832A FR2165706A1 (zh) 1971-11-23 1971-11-23

Publications (1)

Publication Number Publication Date
FR2165706A1 true FR2165706A1 (zh) 1973-08-10

Family

ID=9086185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7141832A Withdrawn FR2165706A1 (zh) 1971-11-23 1971-11-23

Country Status (4)

Country Link
JP (1) JPS4876577A (zh)
DE (1) DE2257534A1 (zh)
FR (1) FR2165706A1 (zh)
IT (1) IT975821B (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001464A1 (en) * 1979-11-19 1981-05-28 Varian Techtron Pty Ltd Method and apparatus for obtaining derivatives of photometric signals

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54111871A (en) * 1978-02-22 1979-09-01 Hitachi Ltd Frequency detecting method
US20190050985A1 (en) * 2016-02-08 2019-02-14 Koninklijke Philips N.V. Device, system and method for pulsatility detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981001464A1 (en) * 1979-11-19 1981-05-28 Varian Techtron Pty Ltd Method and apparatus for obtaining derivatives of photometric signals

Also Published As

Publication number Publication date
IT975821B (it) 1974-08-10
JPS4876577A (zh) 1973-10-15
DE2257534A1 (de) 1973-05-30

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Legal Events

Date Code Title Description
TP Transmission of property
RE Withdrawal of published application