FR2720162B1 - Procédé de caractérisation d'événements dans des données numériques acquises. - Google Patents
Procédé de caractérisation d'événements dans des données numériques acquises.Info
- Publication number
- FR2720162B1 FR2720162B1 FR9406171A FR9406171A FR2720162B1 FR 2720162 B1 FR2720162 B1 FR 2720162B1 FR 9406171 A FR9406171 A FR 9406171A FR 9406171 A FR9406171 A FR 9406171A FR 2720162 B1 FR2720162 B1 FR 2720162B1
- Authority
- FR
- France
- Prior art keywords
- digital data
- acquired digital
- characterizing events
- characterizing
- events
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/065,724 US5365328A (en) | 1993-05-21 | 1993-05-21 | Locating the position of an event in acquired digital data at sub-sample spacing |
JP6128172A JP2727058B2 (ja) | 1993-05-21 | 1994-05-18 | 事象特性測定方法 |
DE4417838A DE4417838B4 (de) | 1993-05-21 | 1994-05-20 | Verfahren zum Charakterisieren eines nicht-reflektierenden Ereignisses in einem durch optische Zeitbereichs-Reflektometrie erhaltenen Digitaldaten-Signalzug |
FR9406171A FR2720162B1 (fr) | 1993-05-21 | 1994-05-20 | Procédé de caractérisation d'événements dans des données numériques acquises. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/065,724 US5365328A (en) | 1993-05-21 | 1993-05-21 | Locating the position of an event in acquired digital data at sub-sample spacing |
FR9406171A FR2720162B1 (fr) | 1993-05-21 | 1994-05-20 | Procédé de caractérisation d'événements dans des données numériques acquises. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2720162A1 FR2720162A1 (fr) | 1995-11-24 |
FR2720162B1 true FR2720162B1 (fr) | 1996-08-09 |
Family
ID=26231189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9406171A Expired - Fee Related FR2720162B1 (fr) | 1993-05-21 | 1994-05-20 | Procédé de caractérisation d'événements dans des données numériques acquises. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5365328A (fr) |
JP (1) | JP2727058B2 (fr) |
DE (1) | DE4417838B4 (fr) |
FR (1) | FR2720162B1 (fr) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5479251A (en) * | 1993-12-30 | 1995-12-26 | Corning Incorporated | Methods for determining optical properties of optical waveguide fibers using an optical time domain reflectometer |
US5528356A (en) * | 1995-03-20 | 1996-06-18 | Tektronix, Inc. | Apparatus and method for displaying multiple sample spacing waveform segments |
JP2914225B2 (ja) * | 1995-06-30 | 1999-06-28 | 安藤電気株式会社 | 光ファイバの試験方法 |
WO1997036164A1 (fr) * | 1996-03-28 | 1997-10-02 | Bio-Analytics, Inc., Doing Business As Biomedware | Technique de mesure du degre d'association de donnees dont les dimensions sont referencees |
US5708500A (en) * | 1997-02-04 | 1998-01-13 | Tektronix, Inc. | Multimode optical time domain reflectometer having improved resolution |
JPH10274592A (ja) * | 1997-03-31 | 1998-10-13 | Ando Electric Co Ltd | 光ファイバの試験方法 |
US6104197A (en) * | 1997-06-02 | 2000-08-15 | Tektronix, Inc. | Apparatus for acquiring waveform data from a metallic transmission cable |
US6195614B1 (en) | 1997-06-02 | 2001-02-27 | Tektronix, Inc. | Method of characterizing events in acquired waveform data from a metallic transmission cable |
FI981990A (fi) | 1998-09-15 | 2000-03-16 | Nokia Networks Oy | Mittausmenetelmä ja mittauslaite |
IL136177A (en) | 2000-05-16 | 2005-09-25 | Eci Telecom Ltd | Optical transponder and automatic optical signal type identification method for use therewith |
US6674518B1 (en) * | 2002-07-01 | 2004-01-06 | At&T Corp. | Method and apparatus for optical time domain reflectometry (OTDR) analysis |
US7403153B2 (en) * | 2004-12-15 | 2008-07-22 | Valeo Raytheon Systems, Inc. | System and method for reducing a radar interference signal |
US7683827B2 (en) | 2004-12-15 | 2010-03-23 | Valeo Radar Systems, Inc. | System and method for reducing the effect of a radar interference signal |
TW200839558A (en) * | 2007-03-23 | 2008-10-01 | Promos Technologies Inc | Method of recognizing waveforms and method of dynamic falut detection using the same |
CN102986150B (zh) | 2010-05-27 | 2017-02-15 | 爱斯福公司 | 多采集otdr方法及装置 |
KR20150113730A (ko) * | 2014-03-31 | 2015-10-08 | 한국전자통신연구원 | 비반사 장애를 구분하는 광링크 장애 분석 장치 및 방법 |
CN104052542B (zh) * | 2014-06-23 | 2016-06-08 | 武汉光迅科技股份有限公司 | 在线模式下检测otdr曲线末端事件定位光纤断点的方法 |
US10107714B2 (en) * | 2014-11-04 | 2018-10-23 | Afl Telecommunications, Llc | Merging technique for OTDR traces captured by using different settings |
US9641243B2 (en) | 2015-02-23 | 2017-05-02 | Exfo Inc. | Safe-mode OTDR method |
CN105910796A (zh) * | 2016-04-07 | 2016-08-31 | 天津纤测道客科技发展有限公司 | 光缆链路事件对比方法及计算单元 |
EP3249375A1 (fr) * | 2016-05-27 | 2017-11-29 | Xieon Networks S.à r.l. | Otdr à précision accrue et zone morte réduite utilisant la superposition d'impulsions avec variation de retard de signal d'horloge |
US10101240B1 (en) | 2017-04-27 | 2018-10-16 | Viavi Solutions France SAS | Optical time-domain reflectometer device including combined trace display |
CN109768826B (zh) * | 2017-11-09 | 2022-01-28 | 中兴通讯股份有限公司 | 数据处理方法、装置及设备、计算机可读存储介质 |
US11483067B2 (en) | 2018-08-30 | 2022-10-25 | Nec Corporation | Optical time domain reflectometer, test method of optical transmission line, and test system of optical transmission line |
EP3758256B1 (fr) * | 2019-06-07 | 2021-12-08 | EXFO Inc. | Détection de mesure otdr dupliquée |
US12007298B2 (en) | 2019-08-23 | 2024-06-11 | Nippon Telegraph And Telephone Corporation | Fiber optic test methods, fiber optic test equipment, and programs |
US11650128B2 (en) | 2020-06-30 | 2023-05-16 | Exfo Inc. | Optical fiber recognition using backscattering pattern |
US11879802B2 (en) | 2020-10-22 | 2024-01-23 | Exfo Inc. | Testing optical fiber link continuity using OTDR backscattering patterns |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2241585C3 (de) * | 1972-08-25 | 1975-03-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Korrelationsempfänger für Pseudo-Noise-Folgen |
US4038540A (en) * | 1976-04-19 | 1977-07-26 | Honeywell Inc. | Quadrature correlation pulse detector |
JPS5961739A (ja) * | 1982-09-30 | 1984-04-09 | Anritsu Corp | 光ケ−ブルの接続損失測定装置 |
JPS60253836A (ja) * | 1984-05-30 | 1985-12-14 | Tohoku Electric Power Co Inc | 光フアイバアナライザ |
JPH01141331A (ja) * | 1987-11-27 | 1989-06-02 | Anritsu Corp | 光パルス試験器 |
JPH0298647A (ja) * | 1988-10-04 | 1990-04-11 | Ando Electric Co Ltd | 光反射率測定器 |
US4983037A (en) * | 1989-05-05 | 1991-01-08 | Tektronix, Inc. | Estimation of fiber loss and return signal power |
US5115439A (en) * | 1989-11-29 | 1992-05-19 | Spectra-Physics Lasers, Inc. | Pole piece to shape axial magnetic field in gas laser |
US5155439A (en) * | 1989-12-12 | 1992-10-13 | Tektronix, Inc. | Method of detecting and characterizing anomalies in a propagative medium |
US5069544A (en) * | 1990-04-12 | 1991-12-03 | Minnesota Mining And Manufacturing Company | Adaptive pulse width optical fault finder |
JP2951701B2 (ja) * | 1990-07-25 | 1999-09-20 | 株式会社アドバンテスト | 光パルス試験器 |
-
1993
- 1993-05-21 US US08/065,724 patent/US5365328A/en not_active Expired - Fee Related
-
1994
- 1994-05-18 JP JP6128172A patent/JP2727058B2/ja not_active Expired - Fee Related
- 1994-05-20 FR FR9406171A patent/FR2720162B1/fr not_active Expired - Fee Related
- 1994-05-20 DE DE4417838A patent/DE4417838B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE4417838A1 (de) | 1994-12-01 |
JP2727058B2 (ja) | 1998-03-11 |
FR2720162A1 (fr) | 1995-11-24 |
DE4417838B4 (de) | 2006-02-16 |
US5365328A (en) | 1994-11-15 |
JPH0719996A (ja) | 1995-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20070131 |