IT1025666B - IMPROVEMENTS IN FOURIER ANALYZERS AND RELATED TO THEM - Google Patents

IMPROVEMENTS IN FOURIER ANALYZERS AND RELATED TO THEM

Info

Publication number
IT1025666B
IT1025666B IT2939774A IT2939774A IT1025666B IT 1025666 B IT1025666 B IT 1025666B IT 2939774 A IT2939774 A IT 2939774A IT 2939774 A IT2939774 A IT 2939774A IT 1025666 B IT1025666 B IT 1025666B
Authority
IT
Italy
Prior art keywords
fourier analyzers
analyzers
fourier
Prior art date
Application number
IT2939774A
Other languages
Italian (it)
Original Assignee
Imp Metal Ind Kynoch Ltd
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 Imp Metal Ind Kynoch Ltd filed Critical Imp Metal Ind Kynoch Ltd
Application granted granted Critical
Publication of IT1025666B publication Critical patent/IT1025666B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/002—N-path filters
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
IT2939774A 1973-11-13 1974-11-13 IMPROVEMENTS IN FOURIER ANALYZERS AND RELATED TO THEM IT1025666B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5253473A GB1494476A (en) 1973-11-13 1973-11-13 Fourier analysers

Publications (1)

Publication Number Publication Date
IT1025666B true IT1025666B (en) 1978-08-30

Family

ID=10464278

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2939774A IT1025666B (en) 1973-11-13 1974-11-13 IMPROVEMENTS IN FOURIER ANALYZERS AND RELATED TO THEM

Country Status (7)

Country Link
BE (1) BE822147A (en)
DE (1) DE2453873A1 (en)
DK (1) DK591374A (en)
FR (1) FR2250980A1 (en)
GB (1) GB1494476A (en)
IT (1) IT1025666B (en)
NL (1) NL7414730A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4564831A (en) * 1982-07-02 1986-01-14 Transamerica Delaval Inc. Analog to digital converters for converting a plurality of different input signals
GB2157449A (en) * 1984-04-14 1985-10-23 Data Acquisition Limited Analysis of vibration
US6327537B1 (en) 1999-07-19 2001-12-04 Luc T. Ikelle Multi-shooting approach to seismic modeling and acquisition
CN108180152B (en) * 2017-11-07 2019-05-14 浙江大学 A kind of blower Weak fault detection method based on vibration signal cyclo-stationary
CN108344500B (en) * 2018-01-16 2019-07-16 浙江大学 It is a kind of based on cyclo-stationary density spectra stream cause encourage source signal characteristics extracting method
CN113049922B (en) * 2020-04-22 2022-11-15 青岛鼎信通讯股份有限公司 Fault arc signal detection method adopting convolutional neural network

Also Published As

Publication number Publication date
DE2453873A1 (en) 1975-06-05
DK591374A (en) 1975-07-14
NL7414730A (en) 1975-05-15
BE822147A (en) 1975-05-13
GB1494476A (en) 1977-12-07
FR2250980A1 (en) 1975-06-06

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