BE856033A - Procede et appareil de mesure de la distorsion d'intermodulation - Google Patents

Procede et appareil de mesure de la distorsion d'intermodulation

Info

Publication number
BE856033A
BE856033A BE178713A BE178713A BE856033A BE 856033 A BE856033 A BE 856033A BE 178713 A BE178713 A BE 178713A BE 178713 A BE178713 A BE 178713A BE 856033 A BE856033 A BE 856033A
Authority
BE
Belgium
Prior art keywords
measuring
intermodulation distortion
intermodulation
distortion
Prior art date
Application number
BE178713A
Other languages
English (en)
Original Assignee
Western Electric Co
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 filed Critical Western Electric Co
Publication of BE856033A publication Critical patent/BE856033A/fr

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
    • G01R23/20—Measurement of non-linear distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
BE178713A 1976-06-28 1977-06-23 Procede et appareil de mesure de la distorsion d'intermodulation BE856033A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/700,537 US4028622A (en) 1976-06-28 1976-06-28 Selective intermodulation distortion measurement

Publications (1)

Publication Number Publication Date
BE856033A true BE856033A (fr) 1977-10-17

Family

ID=24813866

Family Applications (1)

Application Number Title Priority Date Filing Date
BE178713A BE856033A (fr) 1976-06-28 1977-06-23 Procede et appareil de mesure de la distorsion d'intermodulation

Country Status (7)

Country Link
US (2) US4028622A (fr)
JP (1) JPS533010A (fr)
BE (1) BE856033A (fr)
CA (1) CA1084590A (fr)
DE (1) DE2728939A1 (fr)
FR (1) FR2357116A1 (fr)
GB (1) GB1577556A (fr)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4088948A (en) * 1976-12-23 1978-05-09 Bell Telephone Laboratories, Incorporated Single tone technique for measuring IM distortion
US4218748A (en) * 1978-09-25 1980-08-19 Sangamo Weston, Inc. Apparatus and method for digitally obtaining signals having specified statistical distributions
US4273970A (en) * 1979-12-28 1981-06-16 Bell Telephone Laboratories, Incorporated Intermodulation distortion test
US4317206A (en) * 1980-05-12 1982-02-23 Rca Corporation On line quality monitoring
CH650738A5 (de) * 1980-11-14 1985-08-15 Inventio Ag Einrichtung zur abstandhaltung von spurgebundenen fahrzeugen.
US4768203A (en) * 1987-09-18 1988-08-30 Bell Communications Research, Inc. Signal-to-noise ratio testing in adaptive differential pulse code modulation
US5166954A (en) * 1991-03-05 1992-11-24 At&T Bell Laboratories Adaptive system for measuring the broadband signal-to-noise ratio of a transmission channel
US5475315A (en) * 1991-09-20 1995-12-12 Audio Precision, Inc. Method and apparatus for fast response and distortion measurement
US5394120A (en) * 1993-04-13 1995-02-28 Japan Radio Co., Ltd. Device for testing an amplifier
US5465050A (en) * 1994-07-13 1995-11-07 The United States Of America As Represented By The Secretary Of The Army Dynamic range tester
GB2307608B (en) * 1995-11-24 2000-05-10 Marconi Instruments Ltd Signal generator
US6137992A (en) * 1997-07-01 2000-10-24 Chrysler Corporation Vehicle audio distortion measurement system
US6144692A (en) * 1998-04-07 2000-11-07 Harris Corporation System and method of testing for passive intermodulation in antennas
US6771698B1 (en) 1999-04-12 2004-08-03 Harris Corporation System and method for testing antenna gain
GB2353365A (en) 1999-06-24 2001-02-21 Mitel Semiconductor Ltd Cross-channel interference
US6236371B1 (en) 1999-07-26 2001-05-22 Harris Corporation System and method for testing antenna frequency response
US6396431B1 (en) * 1999-09-07 2002-05-28 The United States Of America As Represented By The Secretary Of The Navy Precision microwave/millimeter wave modulated signal source
US7236778B2 (en) * 2002-09-10 2007-06-26 Northrop Grumman Corporation System and method for testing transceivers
US7299166B1 (en) * 2002-10-15 2007-11-20 University Of South Florida System and method for characterizing and simulating a frequency translation device
US7813408B2 (en) * 2004-12-01 2010-10-12 Harris Corporation Wireless communications device with white gaussian noise generator and related methods
US10165379B2 (en) 2005-09-27 2018-12-25 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US10012682B2 (en) 2005-09-27 2018-07-03 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US9271097B2 (en) * 2013-05-31 2016-02-23 Ronald Quan Method and apparatus to evaluate audio equipment via filter banks
US9820065B2 (en) 2005-09-27 2017-11-14 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US11381211B2 (en) 2005-09-27 2022-07-05 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US10060958B2 (en) 2005-09-27 2018-08-28 Ronald Quan Method and apparatus to evaluate audio equipment via at least one filter for dynamic distortions and or differential phase and or frequency modulation effects
US10418960B2 (en) 2005-09-27 2019-09-17 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US9386385B2 (en) 2005-09-27 2016-07-05 Ronald Quan Method and apparatus to evaluate audio equipment via filter banks for dynamic distortions and or differential phase and frequency modulation effects
US10299041B2 (en) 2005-09-27 2019-05-21 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US11041893B2 (en) 2005-09-27 2021-06-22 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US10897681B2 (en) 2005-09-27 2021-01-19 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US11425518B2 (en) 2005-09-27 2022-08-23 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US10158957B2 (en) 2005-09-27 2018-12-18 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US10879864B2 (en) 2005-09-27 2020-12-29 Ronald Quan Method and apparatus to evaluate audio equipment for dynamic distortions and or differential phase and or frequency modulation effects
US9548775B2 (en) * 2007-09-06 2017-01-17 Francis J. Smith Mitigation of transmitter passive and active intermodulation products in real and continuous time in the transmitter and co-located receiver
JP5191727B2 (ja) * 2007-12-21 2013-05-08 株式会社ジャパンディスプレイイースト 表示装置
US8634766B2 (en) 2010-02-16 2014-01-21 Andrew Llc Gain measurement and monitoring for wireless communication systems
RU2615016C2 (ru) * 2015-09-07 2017-04-03 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный институт кино и телевидения" (СПбГУКиТ) Устройство для измерения слухоадаптированных гармонических искажений электрического сигнала

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366779A (en) * 1965-07-20 1968-01-30 Solartron Electronic Group Random signal generator
US3742381A (en) * 1971-06-09 1973-06-26 California Inst Of Techn Wideband digital pseudo gaussian noise generator
US3718813A (en) * 1972-01-19 1973-02-27 O Williams Technique for correlation method of determining system impulse response
US3761696A (en) * 1972-02-16 1973-09-25 Signetics Corp Random integer generator and method
US3885139A (en) * 1973-07-27 1975-05-20 California Inst Of Techn Wideband digital pseudo-gaussian noise generator
US3875500A (en) * 1973-11-28 1975-04-01 Nasa Pseudo-noise test set for communication system evaluation
US3978401A (en) * 1974-09-25 1976-08-31 Sound Technology, Inc. Distortion measurement system

Also Published As

Publication number Publication date
GB1577556A (en) 1980-10-22
CA1084590A (fr) 1980-08-26
DE2728939A1 (de) 1978-01-05
JPS533010A (en) 1978-01-12
US4078255A (en) 1978-03-07
FR2357116B1 (fr) 1981-08-07
US4028622A (en) 1977-06-07
FR2357116A1 (fr) 1978-01-27

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19840623