BE886822A - Procede et dispositif de mesure de la reponse en frequence et de la distorsion de retard de groupe d'un reseau de telecommunications - Google Patents

Procede et dispositif de mesure de la reponse en frequence et de la distorsion de retard de groupe d'un reseau de telecommunications

Info

Publication number
BE886822A
BE886822A BE0/203289A BE203289A BE886822A BE 886822 A BE886822 A BE 886822A BE 0/203289 A BE0/203289 A BE 0/203289A BE 203289 A BE203289 A BE 203289A BE 886822 A BE886822 A BE 886822A
Authority
BE
Belgium
Prior art keywords
measuring
frequency response
telecommunications network
group delay
delay distortion
Prior art date
Application number
BE0/203289A
Other languages
English (en)
Inventor
P Lynn
D Favin
P Snyder
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE886822A publication Critical patent/BE886822A/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/28—Measuring attenuation, gain, phase shift or derived characteristics of electric four pole networks, i.e. two-port networks; Measuring transient response

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
BE0/203289A 1979-12-28 1980-12-23 Procede et dispositif de mesure de la reponse en frequence et de la distorsion de retard de groupe d'un reseau de telecommunications BE886822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/107,787 US4301536A (en) 1979-12-28 1979-12-28 Multitone frequency response and envelope delay distortion tests

Publications (1)

Publication Number Publication Date
BE886822A true BE886822A (fr) 1981-04-16

Family

ID=22318470

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/203289A BE886822A (fr) 1979-12-28 1980-12-23 Procede et dispositif de mesure de la reponse en frequence et de la distorsion de retard de groupe d'un reseau de telecommunications

Country Status (9)

Country Link
US (1) US4301536A (fr)
JP (1) JPS56146339A (fr)
BE (1) BE886822A (fr)
CA (1) CA1157133A (fr)
DE (1) DE3048831A1 (fr)
FR (1) FR2472756A1 (fr)
GB (1) GB2066486B (fr)
NL (1) NL8007052A (fr)
SE (1) SE8008852L (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2074738B (en) * 1980-03-29 1984-03-07 Shibasoku Co Ltd Apparatus for measuring distortion factor
US4403297A (en) * 1981-01-02 1983-09-06 Loveland Controls Company Process control system prover
US4417337A (en) * 1981-06-29 1983-11-22 Bell Telephone Laboratories, Incorporated, Adaptive multitone transmission parameter test arrangement
DE3224080A1 (de) * 1982-06-28 1983-12-29 Siemens AG, 1000 Berlin und 8000 München Verfahren zur ermittlung der daempfungsverzerrung und der gruppenlaufzeitverzerrung eines messobjekts, insbesondere einer datenuebertragungsstrecke
US4633411A (en) * 1982-12-27 1986-12-30 Rockwell International Corporation Link quality analyzer
DE3445915C2 (de) * 1984-01-09 1994-09-29 Hewlett Packard Co Hochfrequenz-Netzwerkanalysator
DE3416575A1 (de) * 1984-05-04 1985-11-07 Ruhrkohle Ag, 4300 Essen Vorrichtung fuer den untertagebergbau zur pruefung und zum abgleich von messwertgebern
US4677674A (en) * 1985-04-03 1987-06-30 Seth Snyder Apparatus and method for reestablishing previously established settings on the controls of an audio mixer
EP0240833B1 (fr) * 1986-04-11 1991-09-11 Siemens Aktiengesellschaft Dispositif de surveillance pour la surveillance du fonctionnement de dispositifs de transmission de la technique de transmission d'informations
US4768203A (en) * 1987-09-18 1988-08-30 Bell Communications Research, Inc. Signal-to-noise ratio testing in adaptive differential pulse code modulation
US5317439A (en) * 1992-07-17 1994-05-31 At&T Bell Laboratories Automatic on-line monitoring and optimization of optical network switching nodes
US5399976A (en) * 1993-02-05 1995-03-21 Hewlett-Packard Company Group delay estimate system using least square fit to phase response ramp
DE19522613C1 (de) * 1995-06-22 1996-10-10 Rohde & Schwarz Netzwerkanalysator
US5672974A (en) * 1996-01-18 1997-09-30 Convex Corporation Returned reference compatible, straightaway envelope delay measurement instrument and method
US5870429A (en) * 1996-06-17 1999-02-09 Motorola, Inc. Apparatus method, and software modem for utilizing envelope delay distortion characteristics to determine a symbol rate and a carrier frequency for data transfer
BE1011195A3 (nl) * 1997-06-05 1999-06-01 Siemens Atea Naamloze Vennoots Werkwijze en inrichting voor het karakteriseren van een netwerk.
EP1033022A2 (fr) * 1997-09-02 2000-09-06 Ameritec Corporation Appareil et procedes de test automatique de systemes de telecommunications sans fil
US6058162A (en) * 1997-12-05 2000-05-02 Harris Corporation Testing of digital subscriber loops using multi-tone power ratio (MTPR) waveform
US6556223B1 (en) * 1999-08-12 2003-04-29 Ttc, A Division Of Dynatech, Llc Communication test set with a graphical user interface that can simultaneously present and update test results of a communication signal at multiple levels
DE19944054B4 (de) * 1999-09-14 2004-11-18 Infineon Technologies Ag Anordnung zum Analysieren der nichtlinearen Eigenschaften eines Kommunikationskanals
US6798830B1 (en) * 2000-07-11 2004-09-28 Teradyne, Inc. Methods and apparatus for generating a test signal for xDSL devices
US6766290B2 (en) * 2001-03-30 2004-07-20 Intel Corporation Voice responsive audio system
DE102005002207A1 (de) * 2004-11-26 2006-06-01 Rohde & Schwarz Gmbh & Co. Kg Verfahren und System zur Ermittlung der Amplitude und/oder Phase des Ausgangssignals eines Übertragungsgliedes in Abhängigkeit der Amplitude des Eingangsignals
US7783260B2 (en) * 2006-04-27 2010-08-24 Crestcom, Inc. Method and apparatus for adaptively controlling signals
US8737573B2 (en) 2011-05-09 2014-05-27 Intelligent Decisions, Inc. Systems, methods, and devices for testing communication lines
US9350470B1 (en) 2015-02-27 2016-05-24 Keysight Technologies, Inc. Phase slope reference adapted for use in wideband phase spectrum measurements

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3271666A (en) * 1964-12-21 1966-09-06 Bell Telephone Labor Inc Apparatus for measuring envelope delay distortion wherein selected impulses of a high frequency standard are gated to one input of a bistable phase comparator
US3573611A (en) * 1969-01-23 1971-04-06 Collins Radio Co Simultaneous delay measurement between selected signal frequency channels and reference frequency channel
US3842247A (en) * 1972-10-18 1974-10-15 Bell Telephone Labor Inc Apparatus and method for measuring envelope delay utilizing {90 -point technique
DE2327115C3 (de) * 1973-05-28 1981-08-20 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Meß- und Prüfverfahren für Filter der Nachrichtentechnik
GB1429617A (en) * 1974-06-03 1976-03-24 Hewlett Packard Ltd Method and apparatus for measuring the group delay character istics of a transmission path
US3973112A (en) * 1974-07-29 1976-08-03 Time/Data Corporation System for determining transfer function
US4001559A (en) * 1974-12-16 1977-01-04 Northern Telecom, Inc. Programmable measuring
US3988667A (en) * 1975-03-06 1976-10-26 Hewlett-Packard Company Noise source for transfer function testing
JPS581607B2 (ja) * 1975-06-26 1983-01-12 株式会社クボタ チンサカキヨセキ
US3968427A (en) * 1975-08-11 1976-07-06 Hewlett-Packard Company Group delay measurement apparatus and method
US4023098A (en) * 1975-08-27 1977-05-10 Hewlett-Packard Company Noise burst source for transfer function testing
DE2602601C3 (de) * 1976-01-24 1979-03-29 Deutsche Welle Gemeinnuetzige Anstalt Des Oeffentlichen Rechts, 5000 Koeln Verfahren zur betriebsmäßigen Überprüfung von Frequenzgang und Pegel von Magnettongeräten
US4039769A (en) * 1976-04-22 1977-08-02 Bradley Telcom Corporation Instrument and method for measuring envelope delay in a transmission channel
DE2724991B2 (de) * 1977-06-02 1979-08-09 Siemens Ag, 1000 Berlin Und 8000 Muenchen Meßverfahren und Schaltungsanordnung zur Ermittlung der Dämpfungsverzerrung und der Gruppenlaufzeitverzerrung eines Meßobjekts
DE2849119A1 (de) * 1978-11-13 1980-05-14 Siemens Ag Verfahren und schaltungsanordnung zur daempfungsmessung, insbesondere zur ermittlung der daempfungs- und/oder gruppenlaufzeitverzerrung eines messobjektes

Also Published As

Publication number Publication date
FR2472756A1 (fr) 1981-07-03
JPS56146339A (en) 1981-11-13
DE3048831A1 (de) 1981-09-24
GB2066486B (en) 1983-11-23
GB2066486A (en) 1981-07-08
SE8008852L (sv) 1981-06-29
US4301536A (en) 1981-11-17
NL8007052A (nl) 1981-07-16
CA1157133A (fr) 1983-11-15

Similar Documents

Publication Publication Date Title
BE886822A (fr) Procede et dispositif de mesure de la reponse en frequence et de la distorsion de retard de groupe d'un reseau de telecommunications
FR2296977A1 (fr) Dispositif et methode de supervision globale du fonctionnement d'un reseau de communication
SE7804770L (sv) System for utsendande och mottagande medelst analoglinjer av visiofona och numeriska signaler
FR2448168B1 (fr) Produit photographique comprenant un reseau de microcellules et procede pour sa preparation
FR2351466A1 (fr) Procede et dispositif de reduction de l'amplitude de vibrations indesirables
FR2415828B1 (fr) Procede et dispositif pour la compensation de detecteurs
BE878423A (fr) Procede et dispositif d'annulation d'echo numerique
BE871338A (fr) Procede et appareil de preparation d'une suspension
BE811647A (fr) Procede et dispositif de fabrication d'un reseau de fils non tisses
BE880666A (fr) Dispositif et procede pour mesurer l'emissivite d'un produit
DK156780C (da) Fremgangsmaade til overvaagning af et signals aendringshastighed samt apparat til udoevelse af fremgangsmaaden
BE817622A (fr) Procede et dispositif d'exploration d'un reseau de transducteurs
DK278979A (da) Fremgangsmaade til frembringelse og transmittering af akustiske signaler og apparat til udoevelse af fremgangsmaaden
BE861354A (fr) Procede et dispositif de preparation de lingots
FR2559586B1 (fr) Procede et dispositif de mesure de frequence a comptage du nombre de passages a zero
BE857100A (fr) Procede de preparation d'homopolymeres et de copolymeres d'&-mono-olefines
NO148800C (no) System for overfoering av digitale data, samt fremgangsmaate og apparat for sending av slike data
FR2300472A1 (fr) Procede et dispositif de syn
BE874636A (fr) Procede et dispositif pour influencer la temperature d'un local
FR2350813A1 (fr) Dispositif de suspension d'armoire
FR2510330B1 (fr) Procede et dispositif pour l'echantillonnage d'un signal sinusoidal de frequence determinee par un signal de frequence multiple de cette frequence determinee
FR2470494B1 (fr) Procede et dispositif de changement de cadence d'un signal
BE876588A (fr) Procede et dispositif de correction azimutale d'entrefer
NO790433L (no) Alarmsystem innbefattende et antall abonnentapparater og alarmsentral som betjener abonnementapparatene
FR2419632B1 (fr) Procede et dispositif d'enregistrement de signaux de chrominance " secam "

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19861231