JPH0312807B2 - - Google Patents

Info

Publication number
JPH0312807B2
JPH0312807B2 JP57234119A JP23411982A JPH0312807B2 JP H0312807 B2 JPH0312807 B2 JP H0312807B2 JP 57234119 A JP57234119 A JP 57234119A JP 23411982 A JP23411982 A JP 23411982A JP H0312807 B2 JPH0312807 B2 JP H0312807B2
Authority
JP
Japan
Prior art keywords
frequency
circuit
beat
detection
frequency shift
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 - Lifetime
Application number
JP57234119A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59123327A (ja
Inventor
Hiroshi Watanabe
Ryohei Ooba
Shuitsu Tsutsumi
Akio Goto
Koichi Ito
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.)
Toshiba Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Toshiba Corp
Nippon Telegraph and Telephone 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 Toshiba Corp, Nippon Telegraph and Telephone Corp filed Critical Toshiba Corp
Priority to JP57234119A priority Critical patent/JPS59123327A/ja
Publication of JPS59123327A publication Critical patent/JPS59123327A/ja
Publication of JPH0312807B2 publication Critical patent/JPH0312807B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0085—Monitoring; Testing using service channels; using auxiliary channels using test signal generators
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/14—Automatic detuning arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/345—Interference values

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
JP57234119A 1982-12-28 1982-12-28 無線干渉検出方式 Granted JPS59123327A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57234119A JPS59123327A (ja) 1982-12-28 1982-12-28 無線干渉検出方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57234119A JPS59123327A (ja) 1982-12-28 1982-12-28 無線干渉検出方式

Publications (2)

Publication Number Publication Date
JPS59123327A JPS59123327A (ja) 1984-07-17
JPH0312807B2 true JPH0312807B2 (enrdf_load_stackoverflow) 1991-02-21

Family

ID=16965927

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57234119A Granted JPS59123327A (ja) 1982-12-28 1982-12-28 無線干渉検出方式

Country Status (1)

Country Link
JP (1) JPS59123327A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6434031A (en) * 1987-07-30 1989-02-03 Nec Corp Wave interference testing device
JPH0515095U (ja) * 1991-08-01 1993-02-26 有限会社キヤプテン・ビヨンド 楽器の発光装置

Also Published As

Publication number Publication date
JPS59123327A (ja) 1984-07-17

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