DE2154735C3 - Optischer Geradeausempfänger mit optimalem Signal/Rausch-Verhältnis - Google Patents

Optischer Geradeausempfänger mit optimalem Signal/Rausch-Verhältnis

Info

Publication number
DE2154735C3
DE2154735C3 DE2154735A DE2154735A DE2154735C3 DE 2154735 C3 DE2154735 C3 DE 2154735C3 DE 2154735 A DE2154735 A DE 2154735A DE 2154735 A DE2154735 A DE 2154735A DE 2154735 C3 DE2154735 C3 DE 2154735C3
Authority
DE
Germany
Prior art keywords
equation
signal
noise
noise ratio
receiver
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
Application number
DE2154735A
Other languages
German (de)
English (en)
Other versions
DE2154735B2 (de
DE2154735A1 (de
Inventor
Paul McNeel Bethesda Trasher, Md.
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2154735A1 publication Critical patent/DE2154735A1/de
Publication of DE2154735B2 publication Critical patent/DE2154735B2/de
Application granted granted Critical
Publication of DE2154735C3 publication Critical patent/DE2154735C3/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/01—Shaping pulses
    • H03K5/02—Shaping pulses by amplifying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/697—Arrangements for reducing noise and distortion
    • H04B10/6973—Arrangements for reducing noise and distortion using noise matching networks

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE2154735A 1970-11-24 1971-11-04 Optischer Geradeausempfänger mit optimalem Signal/Rausch-Verhältnis Expired DE2154735C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9239470A 1970-11-24 1970-11-24

Publications (3)

Publication Number Publication Date
DE2154735A1 DE2154735A1 (de) 1972-06-15
DE2154735B2 DE2154735B2 (de) 1981-02-26
DE2154735C3 true DE2154735C3 (de) 1981-12-10

Family

ID=22233000

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2154735A Expired DE2154735C3 (de) 1970-11-24 1971-11-04 Optischer Geradeausempfänger mit optimalem Signal/Rausch-Verhältnis

Country Status (4)

Country Link
US (1) US3729633A (enExample)
DE (1) DE2154735C3 (enExample)
FR (1) FR2115808A5 (enExample)
GB (1) GB1316918A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3968361A (en) * 1975-06-23 1976-07-06 The United States Of America As Represented By The Secretary Of The Navy Laser receiver anti-sun circuit
US4543664A (en) * 1980-01-10 1985-09-24 International Telephone And Telegraph Corporation Direct current coupled data transmission
FR2495412A1 (fr) * 1980-12-02 1982-06-04 Thomson Csf Systeme de transmission d'informations a modulation directe de la lumiere a liaison optique a bande passante etendue vers les frequences basses et le continu
GB2140643B (en) * 1983-05-19 1986-09-24 Standard Telephones Cables Ltd Optical fibre system
GB8713699D0 (en) * 1987-06-11 1987-07-15 British Telecomm Optical receiver circuit
US5252820A (en) * 1991-03-11 1993-10-12 Mitsubishi Denki Kabushiki Kaisha Photoelectric conversion circuit having a tuning circuit and changeover switcher
EP0699362A1 (en) * 1994-02-18 1996-03-06 Koninklijke Philips Electronics N.V. Wideband square-law detector having a triangular frequency characteristic as well as a transmission system and a receiver including such a detector
GB2289177B (en) * 1994-04-29 1998-04-15 Plessey Semiconductors Ltd Receiver arrangement
US5714901A (en) * 1995-07-19 1998-02-03 The United States Of America As Represented By The Secretary Of The Navy Hysteretic coupling system
US5742069A (en) * 1996-03-20 1998-04-21 Laser Alignment, Inc. Digitally filtered laser receiver
EP0923204B1 (de) 1997-12-11 2005-02-23 Alcatel Optischer Empfänger für den empfang von digital übertragenen Daten
US7002131B1 (en) 2003-01-24 2006-02-21 Jds Uniphase Corporation Methods, systems and apparatus for measuring average received optical power
US7215883B1 (en) 2003-01-24 2007-05-08 Jds Uniphase Corporation Methods for determining the performance, status, and advanced failure of optical communication channels
JP5169835B2 (ja) * 2006-11-29 2013-03-27 富士通株式会社 光雑音指数算出装置、光雑音指数算出方法および光サンプリングオシロスコープ
RU2343429C1 (ru) * 2007-04-16 2009-01-10 Российская Федерация, от имени которой выступает Государственный заказчик - Федеральное агентство по атомной энергии Устройство для измерения пиковых значений
FR3007856B1 (fr) * 2013-06-27 2016-09-16 Continental Automotive France Dispositif de traitement d'un signal provenant d'une thermopile et procede associe
RU2556327C1 (ru) * 2014-02-24 2015-07-10 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Устройство для измерения пиковых значений

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286031A (en) * 1963-03-04 1966-11-15 Alto Scient Co Inc Voice actuated device
US3389341A (en) * 1965-02-09 1968-06-18 Bell Telephone Labor Inc Simultaneous photodetector and electrical modulator
US3470423A (en) * 1965-11-26 1969-09-30 Gen Electric Closed loop modulated light recognition system
DE1566834B2 (de) * 1967-09-29 1972-05-10 American Optical Corp., Southbridge, Mass. (V.StA.) Optische anordnung zur demodulation von lichtsignalen
US3646265A (en) * 1970-01-28 1972-02-29 Itt System and method for discriminating between noise and image signals

Also Published As

Publication number Publication date
DE2154735B2 (de) 1981-02-26
GB1316918A (en) 1973-05-16
US3729633A (en) 1973-04-24
DE2154735A1 (de) 1972-06-15
FR2115808A5 (enExample) 1972-07-07

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Legal Events

Date Code Title Description
OD Request for examination
8326 Change of the secondary classification
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee