IT1136820B - Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogico - Google Patents

Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogico

Info

Publication number
IT1136820B
IT1136820B IT20349/81A IT2034981A IT1136820B IT 1136820 B IT1136820 B IT 1136820B IT 20349/81 A IT20349/81 A IT 20349/81A IT 2034981 A IT2034981 A IT 2034981A IT 1136820 B IT1136820 B IT 1136820B
Authority
IT
Italy
Prior art keywords
filter
spectrum analyzer
replacement
fed
analog filter
Prior art date
Application number
IT20349/81A
Other languages
English (en)
Italian (it)
Other versions
IT8120349A0 (it
Inventor
Ljubomir Micic
Alexander Balanescu
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of IT8120349A0 publication Critical patent/IT8120349A0/it
Application granted granted Critical
Publication of IT1136820B publication Critical patent/IT1136820B/it

Links

Classifications

    • 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
    • G01R23/167—Spectrum analysis; Fourier analysis using filters with digital 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)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
IT20349/81A 1980-03-14 1981-03-16 Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogico IT1136820B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803009785 DE3009785A1 (de) 1980-03-14 1980-03-14 Spektralanalysator

Publications (2)

Publication Number Publication Date
IT8120349A0 IT8120349A0 (it) 1981-03-16
IT1136820B true IT1136820B (it) 1986-09-03

Family

ID=6097180

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20349/81A IT1136820B (it) 1980-03-14 1981-03-16 Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogico

Country Status (5)

Country Link
JP (1) JPS56145365A (ja)
DE (1) DE3009785A1 (ja)
FR (1) FR2478355A1 (ja)
GB (1) GB2075693B (ja)
IT (1) IT1136820B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0523263B1 (en) * 1991-07-16 1997-01-08 Wavetek Gmbh A method for determining the frequency of a dominant signal in an input signal
EP1592136B1 (fr) 2004-04-21 2012-07-11 St Microelectronics S.A. Démodulateur adaptable

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2074813A1 (ja) * 1970-01-30 1971-10-08 Lannionnais Electronique

Also Published As

Publication number Publication date
GB2075693B (en) 1983-09-21
GB2075693A (en) 1981-11-18
JPS56145365A (en) 1981-11-12
DE3009785A1 (de) 1981-10-01
FR2478355B1 (ja) 1984-12-28
IT8120349A0 (it) 1981-03-16
FR2478355A1 (fr) 1981-09-18

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