CH504002A - Frequenzspektrum-Analysator - Google Patents

Frequenzspektrum-Analysator

Info

Publication number
CH504002A
CH504002A CH836170A CH836170A CH504002A CH 504002 A CH504002 A CH 504002A CH 836170 A CH836170 A CH 836170A CH 836170 A CH836170 A CH 836170A CH 504002 A CH504002 A CH 504002A
Authority
CH
Switzerland
Prior art keywords
band
pass filter
signal
analogue
digital
Prior art date
Application number
CH836170A
Other languages
English (en)
Inventor
Thomas Murray Jack
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH504002A publication Critical patent/CH504002A/de

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
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Multimedia (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
CH836170A 1969-06-27 1970-06-04 Frequenzspektrum-Analysator CH504002A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83729269A 1969-06-27 1969-06-27

Publications (1)

Publication Number Publication Date
CH504002A true CH504002A (de) 1971-02-28

Family

ID=25274074

Family Applications (1)

Application Number Title Priority Date Filing Date
CH836170A CH504002A (de) 1969-06-27 1970-06-04 Frequenzspektrum-Analysator

Country Status (6)

Country Link
US (1) US3621389A (de)
CH (1) CH504002A (de)
DE (1) DE2028728A1 (de)
FR (1) FR2050972A5 (de)
GB (1) GB1256831A (de)
SE (1) SE351049B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6492936B1 (en) * 1969-12-19 2002-12-10 The United States Of America As Represented By The Secretary Of The Navy Frequency spectrum analyzer
US4500837A (en) * 1981-01-15 1985-02-19 Westinghouse Electric Corp. Detection of DC content in an AC waveform
JPS59120369A (ja) * 1982-12-27 1984-07-11 Hitachi Ltd 溶接線倣い制御方法および装置
US4810959A (en) * 1988-02-16 1989-03-07 Grumman Aerospace Corporation Method of improving signal-to-noise ratio of detected random pulses
US7012854B1 (en) * 1990-06-21 2006-03-14 Honeywell International Inc. Method for detecting emitted acoustic signals including signal to noise ratio enhancement
US6023233A (en) * 1998-03-20 2000-02-08 Craven; Peter G. Data rate control for variable rate compression systems
KR100650845B1 (ko) * 2005-12-27 2006-11-28 주식회사 하이닉스반도체 소비 전력을 감소시키는 버퍼 제어 회로와, 이를 포함하는메모리 모듈용 반도체 메모리 장치 및 그 제어 동작 방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515990A (en) * 1966-11-30 1970-06-02 Bell Telephone Labor Inc Apparatus for obtaining the amplitude and phase spectrums of a waveform

Also Published As

Publication number Publication date
US3621389A (en) 1971-11-16
FR2050972A5 (de) 1971-04-02
DE2028728A1 (de) 1971-01-07
SE351049B (de) 1972-11-13
GB1256831A (de) 1971-12-15

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Legal Events

Date Code Title Description
PL Patent ceased