JPS53117316A - Automatic compensation system for frequency characteristics - Google Patents

Automatic compensation system for frequency characteristics

Info

Publication number
JPS53117316A
JPS53117316A JP3272077A JP3272077A JPS53117316A JP S53117316 A JPS53117316 A JP S53117316A JP 3272077 A JP3272077 A JP 3272077A JP 3272077 A JP3272077 A JP 3272077A JP S53117316 A JPS53117316 A JP S53117316A
Authority
JP
Japan
Prior art keywords
frequency characteristics
compensation system
automatic compensation
equalization
alternation
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.)
Pending
Application number
JP3272077A
Other languages
Japanese (ja)
Inventor
Tadayoshi Kato
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP3272077A priority Critical patent/JPS53117316A/en
Publication of JPS53117316A publication Critical patent/JPS53117316A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/10—Control of transmission; Equalising by pilot signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters And Equalizers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:To compensate automatically the amplitude-frequency characteristic variation due to selective phasing, by making the alternation between linear equalization and curve equalization corresponding to the levels of a plural number of pilot signals in radio communication.
JP3272077A 1977-03-23 1977-03-23 Automatic compensation system for frequency characteristics Pending JPS53117316A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3272077A JPS53117316A (en) 1977-03-23 1977-03-23 Automatic compensation system for frequency characteristics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3272077A JPS53117316A (en) 1977-03-23 1977-03-23 Automatic compensation system for frequency characteristics

Publications (1)

Publication Number Publication Date
JPS53117316A true JPS53117316A (en) 1978-10-13

Family

ID=12366667

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3272077A Pending JPS53117316A (en) 1977-03-23 1977-03-23 Automatic compensation system for frequency characteristics

Country Status (1)

Country Link
JP (1) JPS53117316A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158537A (en) * 1980-05-12 1981-12-07 Fujitsu Ltd Compensating method for frequency characteristic
JPS58123239A (en) * 1982-01-19 1983-07-22 Fujitsu Ltd Automatic equalization system
JPS59139731A (en) * 1983-01-31 1984-08-10 Ricoh Co Ltd Transmission control system
GB2476085A (en) * 2009-12-10 2011-06-15 Thales Holdings Uk Plc Line transmission repeater with equalizer, suitable for use in wireless communication system for tunnel

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56158537A (en) * 1980-05-12 1981-12-07 Fujitsu Ltd Compensating method for frequency characteristic
JPS58123239A (en) * 1982-01-19 1983-07-22 Fujitsu Ltd Automatic equalization system
JPH0434336B2 (en) * 1982-01-19 1992-06-05 Fujitsu Ltd
JPS59139731A (en) * 1983-01-31 1984-08-10 Ricoh Co Ltd Transmission control system
GB2476085A (en) * 2009-12-10 2011-06-15 Thales Holdings Uk Plc Line transmission repeater with equalizer, suitable for use in wireless communication system for tunnel

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