GB1382893A - Computer controlled rf noise and modulation analyzer - Google Patents

Computer controlled rf noise and modulation analyzer

Info

Publication number
GB1382893A
GB1382893A GB2263872A GB2263872A GB1382893A GB 1382893 A GB1382893 A GB 1382893A GB 2263872 A GB2263872 A GB 2263872A GB 2263872 A GB2263872 A GB 2263872A GB 1382893 A GB1382893 A GB 1382893A
Authority
GB
United Kingdom
Prior art keywords
output
noise
signal
under test
frequency
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
GB2263872A
Other languages
English (en)
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of GB1382893A publication Critical patent/GB1382893A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/06—Measuring depth of modulation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Tests Of Electronic Circuits (AREA)
GB2263872A 1971-06-22 1972-05-15 Computer controlled rf noise and modulation analyzer Expired GB1382893A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15555671A 1971-06-22 1971-06-22

Publications (1)

Publication Number Publication Date
GB1382893A true GB1382893A (en) 1975-02-05

Family

ID=22555905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2263872A Expired GB1382893A (en) 1971-06-22 1972-05-15 Computer controlled rf noise and modulation analyzer

Country Status (8)

Country Link
US (1) US3693076A (enExample)
JP (1) JPS553673B1 (enExample)
CA (1) CA943254A (enExample)
DE (1) DE2229609A1 (enExample)
ES (1) ES403484A1 (enExample)
FR (1) FR2143286B1 (enExample)
GB (1) GB1382893A (enExample)
IL (1) IL39487A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2279097C1 (ru) * 2004-12-07 2006-06-27 Военно-космическая академия им. А.Ф. Можайского Министерства обороны РФ Устройство для измерения частоты входного сигнала панорамного радиоприемника

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1509913A (en) * 1974-05-21 1978-05-04 Racal Instruments Ltd Electrical circuit arrangements for converting an input signal of variable frequency to a signal of predetermined mean frequency
US4002971A (en) * 1976-01-26 1977-01-11 The United States Of America As Represented By The Secretary Of The Army Wide operating frequency range transmission line discriminator
US4002969A (en) * 1976-01-26 1977-01-11 The United States Of America As Represented By The Secretary Of The Army Optimum length transmission line discriminator with low noise detector
US4002970A (en) * 1976-01-26 1977-01-11 The United States Of America As Represented By The Secretary Of The Army Optimum threshold transmission line discriminator
US4034285A (en) * 1976-08-30 1977-07-05 The United States Of America As Represented By The Secretary Of The Army Superheterodyne noise measuring discriminators
JPS5546154A (en) * 1978-09-28 1980-03-31 Tech Res & Dev Inst Of Japan Def Agency Spectrum analyzer
US4412348A (en) * 1982-04-16 1983-10-25 Rca Corporation Apparatus for testing linearity of an FM transmitter
JPS59157576A (ja) * 1983-02-27 1984-09-06 Anritsu Corp スペクトラムアナライザ
US4608647A (en) * 1983-10-24 1986-08-26 E-Systems, Inc. Method and apparatus for determining the noise power ratio (NPR) of a unit under test
US4641086A (en) * 1984-01-09 1987-02-03 Hewlett-Packard Company Vector network analyzer with integral processor
US4667151A (en) * 1984-12-07 1987-05-19 Hughes Aircraft Company Calibrated radio frequency sweep
US4837498A (en) * 1987-09-29 1989-06-06 Hewlett-Packard Company Method and apparatus for setting the signal-to-noise ratio of a carrier wave
US6137992A (en) * 1997-07-01 2000-10-24 Chrysler Corporation Vehicle audio distortion measurement system
US20050137814A1 (en) * 2003-12-19 2005-06-23 Joseph Kelly Method of measuring noise figure using arbitrary waveforms
US7333051B2 (en) * 2004-11-19 2008-02-19 Lockheed Martin Corporation Methods and devices for determining the linearity of signals
CN102621382B (zh) * 2012-03-22 2013-12-11 清华大学 一种检测电力系统中电气信号频率、相位和幅值的方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2279097C1 (ru) * 2004-12-07 2006-06-27 Военно-космическая академия им. А.Ф. Можайского Министерства обороны РФ Устройство для измерения частоты входного сигнала панорамного радиоприемника

Also Published As

Publication number Publication date
US3693076A (en) 1972-09-19
IL39487A (en) 1974-12-31
DE2229609A1 (de) 1972-12-28
ES403484A1 (es) 1975-05-01
FR2143286B1 (enExample) 1977-12-23
JPS553673B1 (enExample) 1980-01-26
CA943254A (en) 1974-03-05
IL39487A0 (en) 1972-09-28
FR2143286A1 (enExample) 1973-02-02
JPS4812065A (enExample) 1973-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee