CA1277721C - Methode et appareil de detection de signaux a bande etroite - Google Patents

Methode et appareil de detection de signaux a bande etroite

Info

Publication number
CA1277721C
CA1277721C CA000556375A CA556375A CA1277721C CA 1277721 C CA1277721 C CA 1277721C CA 000556375 A CA000556375 A CA 000556375A CA 556375 A CA556375 A CA 556375A CA 1277721 C CA1277721 C CA 1277721C
Authority
CA
Canada
Prior art keywords
signal
narrowband
under test
frequency band
output
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 - Fee Related
Application number
CA000556375A
Other languages
English (en)
Inventor
Shawn Joseph Morrison
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Priority to CA000556375A priority Critical patent/CA1277721C/fr
Priority to GB8827726A priority patent/GB2214316B/en
Priority to AU26348/88A priority patent/AU601649B2/en
Application granted granted Critical
Publication of CA1277721C publication Critical patent/CA1277721C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
CA000556375A 1988-01-12 1988-01-12 Methode et appareil de detection de signaux a bande etroite Expired - Fee Related CA1277721C (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CA000556375A CA1277721C (fr) 1988-01-12 1988-01-12 Methode et appareil de detection de signaux a bande etroite
GB8827726A GB2214316B (en) 1988-01-12 1988-11-28 Method and apparatus for detecting a narrowband signal
AU26348/88A AU601649B2 (en) 1988-01-12 1988-11-29 Method and apparatus for detecting a narrowband signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000556375A CA1277721C (fr) 1988-01-12 1988-01-12 Methode et appareil de detection de signaux a bande etroite

Publications (1)

Publication Number Publication Date
CA1277721C true CA1277721C (fr) 1990-12-11

Family

ID=4137240

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000556375A Expired - Fee Related CA1277721C (fr) 1988-01-12 1988-01-12 Methode et appareil de detection de signaux a bande etroite

Country Status (3)

Country Link
AU (1) AU601649B2 (fr)
CA (1) CA1277721C (fr)
GB (1) GB2214316B (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63261203A (ja) * 1987-04-17 1988-10-27 Sumitomo Electric Ind Ltd 光線路の心線対照法
US4850045A (en) * 1987-11-02 1989-07-18 Amp Incorporated Method and apparatus for testing fiber optic hubs

Also Published As

Publication number Publication date
GB2214316A (en) 1989-08-31
AU2634888A (en) 1989-07-13
GB2214316B (en) 1991-09-11
AU601649B2 (en) 1990-09-13
GB8827726D0 (en) 1988-12-29

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Legal Events

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