CA1020278A - Spectrum analyzer using delta modulation encoding - Google Patents

Spectrum analyzer using delta modulation encoding

Info

Publication number
CA1020278A
CA1020278A CA224,599A CA224599A CA1020278A CA 1020278 A CA1020278 A CA 1020278A CA 224599 A CA224599 A CA 224599A CA 1020278 A CA1020278 A CA 1020278A
Authority
CA
Canada
Prior art keywords
spectrum analyzer
delta modulation
modulation encoding
encoding
delta
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA224,599A
Other languages
French (fr)
Inventor
Nuggehally S. Jayant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1020278A publication Critical patent/CA1020278A/en
Expired legal-status Critical Current

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
CA224,599A 1974-06-27 1975-04-15 Spectrum analyzer using delta modulation encoding Expired CA1020278A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US483899A US3903401A (en) 1974-06-27 1974-06-27 Spectrum analyzer using delta modulation encoding

Publications (1)

Publication Number Publication Date
CA1020278A true CA1020278A (en) 1977-11-01

Family

ID=23921952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA224,599A Expired CA1020278A (en) 1974-06-27 1975-04-15 Spectrum analyzer using delta modulation encoding

Country Status (6)

Country Link
US (1) US3903401A (en)
JP (1) JPS5118581A (en)
CA (1) CA1020278A (en)
DE (1) DE2528591A1 (en)
FR (1) FR2276735A1 (en)
GB (1) GB1517583A (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4486850A (en) * 1974-11-11 1984-12-04 Hyatt Gilbert P Incremental digital filter
US5459846A (en) * 1988-12-02 1995-10-17 Hyatt; Gilbert P. Computer architecture system having an imporved memory
US4553221A (en) * 1970-12-28 1985-11-12 Hyatt Gilbert P Digital filtering system
US4553213A (en) * 1970-12-28 1985-11-12 Hyatt Gilbert P Communication system
US4581715A (en) * 1970-12-28 1986-04-08 Hyatt Gilbert P Fourier transform processor
US4686655A (en) * 1970-12-28 1987-08-11 Hyatt Gilbert P Filtering system for processing signature signals
US4944036A (en) * 1970-12-28 1990-07-24 Hyatt Gilbert P Signature filter system
US4744042A (en) * 1970-12-28 1988-05-10 Hyatt Gilbert P Transform processor system having post processing
US4551816A (en) * 1970-12-28 1985-11-05 Hyatt Gilbert P Filter display system
US5053983A (en) * 1971-04-19 1991-10-01 Hyatt Gilbert P Filter system having an adaptive control for updating filter samples
GB1545784A (en) * 1975-05-14 1979-05-16 Emi Ltd Measuring arrangements for electrical currents
DE2737812C3 (en) * 1977-08-22 1985-11-21 Horst-Artur Prof. Dr.-Ing. 5860 Iserlohn Crostack Method for frequency analysis of transient (one-off) sound pulses
FR2424669A1 (en) * 1978-04-27 1979-11-23 Materiel Telephonique DIGITAL SPECTRUM ANALYZERS
US4296374A (en) * 1979-10-11 1981-10-20 Bell Telephone Laboratories, Incorporated Wideband digital spectrometer
BE892241A (en) * 1982-02-23 1982-06-16 Dev Et D Industrialisation Des CIRCUIT FOR FAST CALCULATION OF THE DISCRETE FOURIER TRANSFORM OF A SIGNAL, IN PARTICULAR FOR AN EDDY CURRENT MONITORING APPARATUS.
JPS60105979A (en) * 1983-11-11 1985-06-11 Hirai Akira Signal processing apparatus
US4730257A (en) * 1985-01-25 1988-03-08 Szeto Lai Wan M Apparatus for analyzing signals, to obtain parameters of constituents
US4901244A (en) * 1985-01-25 1990-02-13 Szeto Lai Wan M Apparatus for, and method of, analyzing signals
US5122731A (en) * 1991-02-25 1992-06-16 The United States Of America As Represented By The Administrator, National Aeronautics And Space Adnministration Method and apparatus for frequency spectrum analysis
US5668545A (en) * 1995-06-26 1997-09-16 Industrial Technology Research Institute Simplified encoding apparatus and method for pilot tone modulation in automatic-track-following
US5793323A (en) * 1996-11-25 1998-08-11 The United States Of America As Represented By The Secretary Of The Air Force Two signal monobit electronic warfare receiver
US9161321B2 (en) * 2010-09-20 2015-10-13 Mediatek Inc. Method and apparatus providing signal metric for transmitter

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3544894A (en) * 1967-07-10 1970-12-01 Bell Telephone Labor Inc Apparatus for performing complex wave analysis
US3581199A (en) * 1967-09-01 1971-05-25 Industrial Nucleonics Corp Spectrum analyzer including sampling and scaling means
FR2116224B1 (en) * 1970-10-29 1974-10-31 Ibm France
US3703688A (en) * 1971-04-07 1972-11-21 Bell Telephone Labor Inc Digital adaptive-to-linear delta modulated signal converter

Also Published As

Publication number Publication date
FR2276735A1 (en) 1976-01-23
FR2276735B1 (en) 1979-02-16
GB1517583A (en) 1978-07-12
US3903401A (en) 1975-09-02
JPS5118581A (en) 1976-02-14
DE2528591A1 (en) 1976-01-15

Similar Documents

Publication Publication Date Title
CA1020278A (en) Spectrum analyzer using delta modulation encoding
CA1035418A (en) Voltage-current converter
JPS522538A (en) Spectrum analyzer
AU8741975A (en) Tyre
CA1022217A (en) Compact snowmobile
CA1006583A (en) Narrow cavity low cost epr spectrometer
CA1025364A (en) Syllabic compandor
CA1019405A (en) Modulation measuring circuit
AU503999B2 (en) N2-enrichment/adsorption
CA1011708A (en) Extension ladder
AU502149B2 (en) Delta modulation
AU506899B2 (en) Compressed delta modulation transmitter
CA1027042A (en) Well apparatus
AU505237B2 (en) Delta modulation encoder
AU499089B2 (en) Modulating device
AU498852B2 (en) Solid paint
AU8115375A (en) Tyre
CA996077A (en) Ladder assembly
CA997250A (en) Normalizing valve
SU580638A1 (en) Pulse-code modulator
CA1014843A (en) Tire chain applicator
AU490517B2 (en) Gas analyser
AU499181B2 (en) Sawmilling apparatus
CA1019590A (en) Breath analyzer
CA992949A (en) Seine-hauling power block