IT975821B - Procedimento e dispositivo per l analisi spettrale di un segnale - Google Patents

Procedimento e dispositivo per l analisi spettrale di un segnale

Info

Publication number
IT975821B
IT975821B IT7067372A IT7067372A IT975821B IT 975821 B IT975821 B IT 975821B IT 7067372 A IT7067372 A IT 7067372A IT 7067372 A IT7067372 A IT 7067372A IT 975821 B IT975821 B IT 975821B
Authority
IT
Italy
Prior art keywords
procedure
signal
spectral analysis
spectral
analysis
Prior art date
Application number
IT7067372A
Other languages
English (en)
Inventor
J Max
R Rogard
D Thomine
Original Assignee
Commissariat Energie Atomique
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 Energie Atomique filed Critical Commissariat Energie Atomique
Application granted granted Critical
Publication of IT975821B publication Critical patent/IT975821B/it

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)
  • Audiology, Speech & Language Pathology (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
IT7067372A 1971-11-23 1972-11-22 Procedimento e dispositivo per l analisi spettrale di un segnale IT975821B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT975821B true IT975821B (it) 1974-08-10

Family

ID=9086185

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7067372A IT975821B (it) 1971-11-23 1972-11-22 Procedimento e dispositivo per l analisi spettrale di un segnale

Country Status (4)

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

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
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
FR2165706A1 (it) 1973-08-10
JPS4876577A (it) 1973-10-15
DE2257534A1 (de) 1973-05-30

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