BE822147A - DEVELOPMENT OF FOURIER ANALYZERS - Google Patents

DEVELOPMENT OF FOURIER ANALYZERS

Info

Publication number
BE822147A
BE822147A BE150466A BE150466A BE822147A BE 822147 A BE822147 A BE 822147A BE 150466 A BE150466 A BE 150466A BE 150466 A BE150466 A BE 150466A BE 822147 A BE822147 A BE 822147A
Authority
BE
Belgium
Prior art keywords
development
fourier analyzers
analyzers
fourier
Prior art date
Application number
BE150466A
Other languages
French (fr)
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 filed Critical
Publication of BE822147A publication Critical patent/BE822147A/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
BE150466A 1973-11-13 1974-11-13 DEVELOPMENT OF FOURIER ANALYZERS BE822147A (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
BE822147A true BE822147A (en) 1975-05-13

Family

ID=10464278

Family Applications (1)

Application Number Title Priority Date Filing Date
BE150466A BE822147A (en) 1973-11-13 1974-11-13 DEVELOPMENT OF FOURIER ANALYZERS

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
FR2250980A1 (en) 1975-06-06
IT1025666B (en) 1978-08-30
NL7414730A (en) 1975-05-15
DK591374A (en) 1975-07-14
DE2453873A1 (en) 1975-06-05
GB1494476A (en) 1977-12-07

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