IT8120349A0 - 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
IT8120349A0
IT8120349A0 IT8120349A IT2034981A IT8120349A0 IT 8120349 A0 IT8120349 A0 IT 8120349A0 IT 8120349 A IT8120349 A IT 8120349A IT 2034981 A IT2034981 A IT 2034981A IT 8120349 A0 IT8120349 A0 IT 8120349A0
Authority
IT
Italy
Prior art keywords
fuction
replacement
digital
spectrum analyzer
analogue filter
Prior art date
Application number
IT8120349A
Other languages
English (en)
Other versions
IT1136820B (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 true IT8120349A0 (it) 1981-03-16
IT1136820B 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 (it)
DE (1) DE3009785A1 (it)
FR (1) FR2478355A1 (it)
GB (1) GB2075693B (it)
IT (1) IT1136820B (it)

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 (it) * 1970-01-30 1971-10-08 Lannionnais Electronique

Also Published As

Publication number Publication date
DE3009785A1 (de) 1981-10-01
IT1136820B (it) 1986-09-03
GB2075693A (en) 1981-11-18
FR2478355B1 (it) 1984-12-28
JPS56145365A (en) 1981-11-12
FR2478355A1 (fr) 1981-09-18
GB2075693B (en) 1983-09-21

Similar Documents

Publication Publication Date Title
BR8107964A (pt) Tela-filtro
DK162691C (da) Rygevare af filtercigaret-typen
AT381010B (de) Zigarettenfilter
IT8121992A0 (it) Filtro per il fumo di tabacco.
GB2081047B (en) Recursive low pass digital filter
DK160400C (da) Cigaretfilter
DK162679C (da) Digitalt filterkredsloeb
BR8100234A (pt) Filtro
DE3485935D1 (de) Rekursives digitales filter.
DK161654C (da) Cigaretfilter
DK537981A (da) Cigaretfiltre
TR21305A (tr) T*t*n dumani filtrelerinde yiv yapmak icin cihaz
DK152327C (da) Cigaretfilter
AU509709B2 (en) Recursive digital filter
AT379718B (de) Analog/digital umsetzstufe
DE3172561D1 (de) Non-recursive digital filter
IT8120349A0 (it) Analizzatore di spettro costituito da un fulcro digitale in sostituzione di un filtro analogico.
JPS5786074A (en) Digital/analogue type watch
DK365182A (da) Vaegtningsfunktionskredsloeb til digitale filtre
FR2491653B1 (fr) Analyseur differentiel numerique
FR2492611B1 (fr) Filtre electronique
IT8022754A0 (it) Orologio digitale.
BR6000542U (pt) Contador decadico digital
ES252586Y (es) Un cigarrillo de filtro
FI800170A (fi) Filter