DE2506577C2 - Anordnung zum Ausgleichen von Änderungen der Betriebskennlinien von Nachrichtenübertragungs- bzw. Signalverarbeitungskanälen - Google Patents

Anordnung zum Ausgleichen von Änderungen der Betriebskennlinien von Nachrichtenübertragungs- bzw. Signalverarbeitungskanälen

Info

Publication number
DE2506577C2
DE2506577C2 DE2506577A DE2506577A DE2506577C2 DE 2506577 C2 DE2506577 C2 DE 2506577C2 DE 2506577 A DE2506577 A DE 2506577A DE 2506577 A DE2506577 A DE 2506577A DE 2506577 C2 DE2506577 C2 DE 2506577C2
Authority
DE
Germany
Prior art keywords
signal
signals
error compensation
signal processing
error
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
DE2506577A
Other languages
German (de)
English (en)
Other versions
DE2506577A1 (de
Inventor
Louis Frank Palo Alto Calif. Schaefer
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.)
SRI International Inc
Original Assignee
Stanford Research Institute
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 Stanford Research Institute filed Critical Stanford Research Institute
Publication of DE2506577A1 publication Critical patent/DE2506577A1/de
Application granted granted Critical
Publication of DE2506577C2 publication Critical patent/DE2506577C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing ultrasonic, sonic or infrasonic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
    • G01N29/0609—Display arrangements, e.g. colour displays
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4463—Signal correction, e.g. distance amplitude correction [DAC], distance gain size [DGS], noise filtering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/5205—Means for monitoring or calibrating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE2506577A 1974-10-21 1975-02-17 Anordnung zum Ausgleichen von Änderungen der Betriebskennlinien von Nachrichtenübertragungs- bzw. Signalverarbeitungskanälen Expired DE2506577C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/516,674 US3959770A (en) 1974-10-21 1974-10-21 Method and apparatus for error compensation in multichannel systems

Publications (2)

Publication Number Publication Date
DE2506577A1 DE2506577A1 (de) 1976-04-29
DE2506577C2 true DE2506577C2 (de) 1984-06-28

Family

ID=24056634

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2506577A Expired DE2506577C2 (de) 1974-10-21 1975-02-17 Anordnung zum Ausgleichen von Änderungen der Betriebskennlinien von Nachrichtenübertragungs- bzw. Signalverarbeitungskanälen

Country Status (7)

Country Link
US (1) US3959770A (forum.php)
JP (1) JPS5843694B2 (forum.php)
CA (1) CA1034271A (forum.php)
DE (1) DE2506577C2 (forum.php)
FR (1) FR2289018A1 (forum.php)
GB (1) GB1486721A (forum.php)
SE (1) SE7511739L (forum.php)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075883A (en) * 1976-08-20 1978-02-28 General Electric Company Ultrasonic fan beam scanner for computerized time-of-flight tomography
US4121137A (en) * 1976-11-12 1978-10-17 Rca Corporation System for achieving image uniformity in display devices
FR2376419A1 (fr) * 1977-01-04 1978-07-28 Cgr Ultrasonic Dispositif de visualisation en temps reel pour appareil d'echographie ultrasonore, utilisant un milieu d'interaction acousto-optique
US4163209A (en) * 1977-09-28 1979-07-31 Harris Corporation Technique for controlling memoryful non-linearities
JPS5499379A (en) * 1978-01-23 1979-08-06 Tokyo Shibaura Electric Co Ultrasonic video device
US4296483A (en) * 1980-06-30 1981-10-20 Litton Resources Systems, Inc. Method and means for measuring geophone parameters
US4363122A (en) * 1980-09-16 1982-12-07 Northern Telecom Limited Mitigation of noise signal contrast in a digital speech interpolation transmission system
FR2502866B1 (fr) * 1981-03-24 1986-07-18 Thomson Csf Dispositif de compensation des derives d'au moins une chaine de mesure et son application
US4433690A (en) 1981-07-20 1984-02-28 Siemens Ag Compact ultrasound apparatus for medical examination
DE3135053A1 (de) * 1981-09-04 1983-03-24 Gesellschaft für Strahlen- und Umweltforschung mbH, 8000 München "ultraschall-diagnosegeraet"
JPS60138483A (ja) * 1983-12-27 1985-07-23 Yokogawa Medical Syst Ltd 超音波診断装置
GB8422022D0 (en) * 1984-08-31 1984-10-24 Atomic Energy Authority Uk Electrical signal discrimination
US4615007A (en) * 1984-09-14 1986-09-30 Audiometrics, Inc. Audiologic testing method and apparatus with compensating means for soundwave attenuation through a transmitting medium
US4625542A (en) * 1984-09-14 1986-12-02 Tab Leasing Radiation power measuring apparatus
US4597081A (en) * 1985-03-13 1986-06-24 Automatix Incorporated Encoder interface with error detection and method therefor
US4725950A (en) * 1985-06-19 1988-02-16 Syntrak, Inc. Marine seismic signal processor with D.C. offset compensation method
DE3529704A1 (de) * 1985-08-20 1987-03-05 Bosch Gmbh Robert Verfahren zum kalibrieren elektroakustischer messgeraete
US4799177A (en) * 1985-12-31 1989-01-17 The Boeing Company Ultrasonic instrumentation for examination of variable-thickness objects
US4752895A (en) * 1985-12-31 1988-06-21 The Boeing Company Ultrasonic inspection system apparatus and method using multiple receiving transducers
WO1987006704A1 (fr) * 1986-04-30 1987-11-05 Vsesojuzny Nauchno-Issledovatelsky Institut Po Str Detecteur ultrasonique de defauts
JP2937326B2 (ja) * 1988-06-22 1999-08-23 株式会社東芝 論理回路のテスト容易化回路
FR2660436A1 (fr) * 1990-03-30 1991-10-04 Bertin & Cie Microscope acoustique pour analyser un objet en surface ou en profondeur.
US5055837A (en) * 1990-09-10 1991-10-08 Teleco Oilfield Services Inc. Analysis and identification of a drilling fluid column based on decoding of measurement-while-drilling signals
US5517994A (en) * 1994-11-16 1996-05-21 Advanced Technology Laboratories, Inc. Self diagnostic ultrasonic imaging systems
KR100246795B1 (ko) * 1997-08-02 2000-03-15 윤종용 필터 및 부스트회로를 내장하는 칩의 설계변수 오차보상회로
JP2003092554A (ja) * 2001-09-18 2003-03-28 Fujitsu Ltd 伝送特性補償制御方法および伝送特性補償制御装置並びに伝送特性補償制御システム
US7747936B2 (en) * 2004-03-02 2010-06-29 Stmicroelectronics Sa Device for protection against error injection into an asynchronous logic block of an elementary logic module
US7703327B2 (en) * 2004-09-16 2010-04-27 The Boeing Company Apparatus and method for area limited-access through transmission ultrasonic inspection
JP7254232B1 (ja) * 2022-04-22 2023-04-07 株式会社日立パワーソリューションズ アレイ型超音波送受信装置およびパルス信号生成部の駆動開始時間調整方法
CN118795127A (zh) * 2023-04-13 2024-10-18 深圳市帝迈生物技术有限公司 血液分析仪

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150327A (en) * 1961-09-29 1964-09-22 Gulf Res & Developement Compan Self-adjusting attenuation equalizer
US3691517A (en) * 1969-07-25 1972-09-12 Atlantic Richfield Co Seismic holography
US3794998A (en) * 1972-04-26 1974-02-26 Raytheon Co Monopulse radar receiver with error correction
DE2310242C2 (de) * 1973-03-01 1981-09-24 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zur gleichen Verstärkung von wenigstens zwei Hochfrequenzspannungen
US3831135A (en) * 1973-09-10 1974-08-20 Trw Inc Optical imaging of sound fields by heterodyning

Also Published As

Publication number Publication date
FR2289018A1 (fr) 1976-05-21
JPS5148387A (forum.php) 1976-04-26
GB1486721A (en) 1977-09-21
JPS5843694B2 (ja) 1983-09-28
DE2506577A1 (de) 1976-04-29
SE7511739L (sv) 1976-04-22
CA1034271A (en) 1978-07-04
US3959770A (en) 1976-05-25
FR2289018B1 (forum.php) 1979-03-02

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Legal Events

Date Code Title Description
OD Request for examination
8128 New person/name/address of the agent

Representative=s name: MUELLER, H., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee