JPS5752992B2 - - Google Patents

Info

Publication number
JPS5752992B2
JPS5752992B2 JP6744875A JP6744875A JPS5752992B2 JP S5752992 B2 JPS5752992 B2 JP S5752992B2 JP 6744875 A JP6744875 A JP 6744875A JP 6744875 A JP6744875 A JP 6744875A JP S5752992 B2 JPS5752992 B2 JP S5752992B2
Authority
JP
Japan
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
Application number
JP6744875A
Other versions
JPS517809A (ja
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 filed Critical
Publication of JPS517809A publication Critical patent/JPS517809A/ja
Publication of JPS5752992B2 publication Critical patent/JPS5752992B2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/46—Monitoring; Testing
    • H04B3/462—Testing group delay or phase shift, e.g. timing jitter
JP6744875A 1974-06-03 1975-06-03 Expired JPS5752992B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2457274A GB1429617A (en) 1974-06-03 1974-06-03 Method and apparatus for measuring the group delay character istics of a transmission path

Publications (2)

Publication Number Publication Date
JPS517809A JPS517809A (ja) 1976-01-22
JPS5752992B2 true JPS5752992B2 (ja) 1982-11-10

Family

ID=10213753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6744875A Expired JPS5752992B2 (ja) 1974-06-03 1975-06-03

Country Status (3)

Country Link
US (1) US3970926A (ja)
JP (1) JPS5752992B2 (ja)
GB (1) GB1429617A (ja)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2602916A1 (de) * 1976-01-27 1977-08-18 Martin Dr Ing Mueller Verfahren zur messung der linearen verzerrungsparameter und geraet zu dessen durchfuehrung (ii)
US4220914A (en) * 1978-06-14 1980-09-02 Hekimian Laboratories, Inc. AM-PM Conversion for measuring delay distortion
US4301536A (en) * 1979-12-28 1981-11-17 Bell Telephone Laboratories, Incorporated Multitone frequency response and envelope delay distortion tests
JPS57205978A (en) * 1981-06-10 1982-12-17 Nippon Electric Co Coaxial line connecting structure
US4417337A (en) * 1981-06-29 1983-11-22 Bell Telephone Laboratories, Incorporated, Adaptive multitone transmission parameter test arrangement
US4669051A (en) * 1984-01-09 1987-05-26 Hewlett-Packard Company Vector network analyzer with integral processor
FR2660758B1 (fr) * 1990-04-06 1993-07-09 Schlumberger Ind Sa Procede et appareil de mesure de temps de propagation de signaux sur liaisons de transmissions numeriques.
GB9201737D0 (en) * 1992-01-28 1992-03-11 British Telecomm Data transmission
US7248626B2 (en) 1997-12-05 2007-07-24 Paradyne Corporation System and method of communication via embedded modulation
US9432172B2 (en) 1997-12-05 2016-08-30 Rembrandt Wireless Technologies, Lp System and method of communication using at least two modulation methods
US6895230B1 (en) * 2000-08-16 2005-05-17 Kathrein-Werke Kg System and method for delay equalization of multiple transmission paths
US7010067B2 (en) * 2001-01-12 2006-03-07 Renesas Technology America, Inc. Methods and apparatus for feature recognition time shift correlation
US7526701B2 (en) * 2002-10-02 2009-04-28 Mediatek Inc. Method and apparatus for measuring group delay of a device under test
EP1465156A1 (en) * 2003-03-31 2004-10-06 Koninklijke KPN N.V. Method and system for determining the quality of a speech signal
DE102019220091A1 (de) * 2019-12-18 2021-06-24 GiaX GmbH Vorrichtung und verfahren zum erfassen von gruppenlaufzeitinformationen und vorrichtung und verfahren zum senden eines messsignals über ein übertragungsmedium
US11362481B2 (en) 2020-05-01 2022-06-14 Mesa Photonics, LLC Method and apparatus for measuring optical pulses
US11799558B2 (en) * 2020-07-14 2023-10-24 Infinera Corporation Digital tone-based apparatus and method for measuring the frequency response of coherent optical transmitters

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1294547B (de) * 1964-08-08 1969-05-08 Wandel & Goltermann Verfahren zum Messen von an Vierpolen auftretenden frequenzabhaengigen Gruppenlaufzeitverzerrungen
US3573611A (en) * 1969-01-23 1971-04-06 Collins Radio Co Simultaneous delay measurement between selected signal frequency channels and reference frequency channel
GB1409332A (en) * 1973-04-04 1975-10-08 Hewlett Packard Ltd Measurement of amplitude modulation to phase modulation conversion

Also Published As

Publication number Publication date
JPS517809A (ja) 1976-01-22
US3970926A (en) 1976-07-20
GB1429617A (en) 1976-03-24
DE2436011B2 (de) 1976-05-20
DE2436011A1 (de) 1975-12-11

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