JPH0423971B2 - - Google Patents

Info

Publication number
JPH0423971B2
JPH0423971B2 JP59217047A JP21704784A JPH0423971B2 JP H0423971 B2 JPH0423971 B2 JP H0423971B2 JP 59217047 A JP59217047 A JP 59217047A JP 21704784 A JP21704784 A JP 21704784A JP H0423971 B2 JPH0423971 B2 JP H0423971B2
Authority
JP
Japan
Prior art keywords
circuit
output
signal
branch
phase
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
JP59217047A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6195635A (ja
Inventor
Susumu Ootani
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP59217047A priority Critical patent/JPS6195635A/ja
Priority to EP85307309A priority patent/EP0181701B1/en
Priority to DE8585307309T priority patent/DE3567283D1/de
Priority to US06/787,422 priority patent/US4696057A/en
Publication of JPS6195635A publication Critical patent/JPS6195635A/ja
Publication of JPH0423971B2 publication Critical patent/JPH0423971B2/ja
Granted 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
    • G01R29/26—Measuring noise figure; Measuring signal-to-noise ratio

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
JP59217047A 1984-10-16 1984-10-16 Ｃｎ比測定回路 Granted JPS6195635A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59217047A JPS6195635A (ja) 1984-10-16 1984-10-16 Ｃｎ比測定回路
EP85307309A EP0181701B1 (en) 1984-10-16 1985-10-11 Carrier to noise ratio measurement circuit
DE8585307309T DE3567283D1 (en) 1984-10-16 1985-10-11 Carrier to noise ratio measurement circuit
US06/787,422 US4696057A (en) 1984-10-16 1985-10-15 CN ratio measurement circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59217047A JPS6195635A (ja) 1984-10-16 1984-10-16 Ｃｎ比測定回路

Publications (2)

Publication Number Publication Date
JPS6195635A JPS6195635A (ja) 1986-05-14
JPH0423971B2 true JPH0423971B2 (en]) 1992-04-23

Family

ID=16697998

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59217047A Granted JPS6195635A (ja) 1984-10-16 1984-10-16 Ｃｎ比測定回路

Country Status (4)

Country Link
US (1) US4696057A (en])
EP (1) EP0181701B1 (en])
JP (1) JPS6195635A (en])
DE (1) DE3567283D1 (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007052550A1 (ja) * 2005-10-31 2007-05-10 Sumitomo Metal Industries, Ltd. 管内面の渦流探傷におけるｓ／ｎ比測定方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845133A (en) * 1987-04-07 1989-07-04 The Dow Chemical Company Flexible polyurea or polyurea-polyurethane foams prepared from high equivalent weight amine-terminated compounds
US4940947A (en) * 1989-02-28 1990-07-10 Oneac Corporation Line noise signal measurement system using analog signal compression with digital linearity correction
JP3013408B2 (ja) * 1990-08-17 2000-02-28 ソニー株式会社 受信装置
FI86935C (fi) * 1991-03-21 1992-10-26 Telenokia Oy Foerfarande foer identifiering av en oevervakningssignal pao basstation i radiotelefonsystemet
US5826198A (en) 1992-01-13 1998-10-20 Microcom Systems, Inc. Transmission of data over a radio frequency channel
DE4305961A1 (de) * 1993-02-26 1994-09-01 Nokia Deutschland Gmbh Anordnung zur Erzeugung eines Rauschdetektorsignals
US6229847B1 (en) 1997-12-24 2001-05-08 The United States Of America As Represented By The Secretary Of The Navy Signal quality measurement device
JP5148792B2 (ja) * 2001-09-04 2013-02-20 アイシン精機株式会社 自動変速装置
KR100927287B1 (ko) * 2001-11-27 2009-11-18 소니 가부시끼 가이샤 안테나 레벨 표시 장치 및 방법, 및 수신 장치
JP3920816B2 (ja) * 2003-06-27 2007-05-30 日本無線株式会社 無線通信装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350643A (en) * 1965-07-15 1967-10-31 James E Webb Signal-to-noise ratio estimating by taking ratio of mean and standard deviation of integrated signal samples
JPS52122027A (en) * 1975-12-10 1977-10-13 Nec Corp Burst synchronizing method and unit of time-sharing pluralistic connec tion communication system
US4408322A (en) * 1980-11-07 1983-10-04 Satellite Business Systems Method and apparatus for measuring signal to noise ratio in a TDMA communications system
JPS58172559A (ja) * 1982-04-02 1983-10-11 Kokusai Denshin Denwa Co Ltd <Kdd> 信号電力対雑音電力比測定方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007052550A1 (ja) * 2005-10-31 2007-05-10 Sumitomo Metal Industries, Ltd. 管内面の渦流探傷におけるｓ／ｎ比測定方法

Also Published As

Publication number Publication date
US4696057A (en) 1987-09-22
EP0181701A1 (en) 1986-05-21
DE3567283D1 (en) 1989-02-09
JPS6195635A (ja) 1986-05-14
EP0181701B1 (en) 1989-01-04

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