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GB2234077B - A communications esm system - Google Patents

A communications esm system

Info

Publication number
GB2234077B
GB2234077B GB8908073A GB8908073A GB2234077B GB 2234077 B GB2234077 B GB 2234077B GB 8908073 A GB8908073 A GB 8908073A GB 8908073 A GB8908073 A GB 8908073A GB 2234077 B GB2234077 B GB 2234077B
Authority
GB
United Kingdom
Prior art keywords
communications
esm system
esm
communications esm
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
GB8908073A
Other versions
GB8908073D0 (en
GB2234077A (en
Inventor
Kenneth David King
Ian Lasseter Phillips
David Rodney Thwaites
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.)
Roke Manor Research Ltd
Plessey Co Ltd
Original Assignee
Roke Manor Research Ltd
Plessey Co 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 Roke Manor Research Ltd, Plessey Co Ltd filed Critical Roke Manor Research Ltd
Priority to GB8908073A priority Critical patent/GB2234077B/en
Publication of GB8908073D0 publication Critical patent/GB8908073D0/en
Priority to GB9008393A priority patent/GB2331371B/en
Publication of GB2234077A publication Critical patent/GB2234077A/en
Application granted granted Critical
Publication of GB2234077B publication Critical patent/GB2234077B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • 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)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
GB8908073A 1989-04-11 1989-04-11 A communications esm system Expired - Fee Related GB2234077B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8908073A GB2234077B (en) 1989-04-11 1989-04-11 A communications esm system
GB9008393A GB2331371B (en) 1989-04-11 1990-04-11 Method for determining signal detection threshold in ESM communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8908073A GB2234077B (en) 1989-04-11 1989-04-11 A communications esm system

Publications (3)

Publication Number Publication Date
GB8908073D0 GB8908073D0 (en) 1989-11-08
GB2234077A GB2234077A (en) 1991-01-23
GB2234077B true GB2234077B (en) 1993-03-24

Family

ID=10654765

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8908073A Expired - Fee Related GB2234077B (en) 1989-04-11 1989-04-11 A communications esm system

Country Status (1)

Country Link
GB (1) GB2234077B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1051848C (en) * 1994-07-26 2000-04-26 吴超 Sateelite spectral monitor unit
US6904269B1 (en) 2000-06-02 2005-06-07 Tektronix, Inc. Signal type identification
GB2372174B (en) * 2001-02-12 2003-07-16 Matsushita Electric Ind Co Ltd Intermediate frequency planning in radio transmitters and receivers
BRPI0706546A2 (en) 2006-01-17 2011-03-29 Koninkl Philips Electronics Nv method and device for detecting the presence of a television signal, and, readable by computer

Also Published As

Publication number Publication date
GB8908073D0 (en) 1989-11-08
GB2234077A (en) 1991-01-23

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940411