SE449930B - Anordning for omvandling av de av en detektor alstrade analoga ultraljudprovsignalerna till logaritmiskt kodade digitala signaler - Google Patents

Anordning for omvandling av de av en detektor alstrade analoga ultraljudprovsignalerna till logaritmiskt kodade digitala signaler

Info

Publication number
SE449930B
SE449930B SE8006758A SE8006758A SE449930B SE 449930 B SE449930 B SE 449930B SE 8006758 A SE8006758 A SE 8006758A SE 8006758 A SE8006758 A SE 8006758A SE 449930 B SE449930 B SE 449930B
Authority
SE
Sweden
Prior art keywords
analog
signals
digital converter
detector
digital
Prior art date
Application number
SE8006758A
Other languages
English (en)
Swedish (sv)
Other versions
SE8006758L (sv
Inventor
R Lang
J Quittkat
M Dolag
Original Assignee
Nukem Gmbh
Edotronik Gmbh
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 Nukem Gmbh, Edotronik Gmbh filed Critical Nukem Gmbh
Publication of SE8006758L publication Critical patent/SE8006758L/
Publication of SE449930B publication Critical patent/SE449930B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/10—Amplitude; Power
    • G01H3/12—Amplitude; Power by electric means
    • 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
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/40—Detecting the response signal, e.g. electronic circuits specially adapted therefor by amplitude filtering, e.g. by applying a threshold or by gain control
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G7/00—Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Analogue/Digital Conversion (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
SE8006758A 1979-09-29 1980-09-26 Anordning for omvandling av de av en detektor alstrade analoga ultraljudprovsignalerna till logaritmiskt kodade digitala signaler SE449930B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2939617A DE2939617C2 (de) 1979-09-29 1979-09-29 Vorrichtung zur schnellen und verzerrungsfreien Umwandlung der von einem Detektor erzeugten analogen Ultraschallprüfsignale in digitale Signale

Publications (2)

Publication Number Publication Date
SE8006758L SE8006758L (sv) 1981-03-30
SE449930B true SE449930B (sv) 1987-05-25

Family

ID=6082288

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8006758A SE449930B (sv) 1979-09-29 1980-09-26 Anordning for omvandling av de av en detektor alstrade analoga ultraljudprovsignalerna till logaritmiskt kodade digitala signaler

Country Status (7)

Country Link
JP (1) JPS5651660A (cg-RX-API-DMAC10.html)
BR (1) BR8006147A (cg-RX-API-DMAC10.html)
CA (1) CA1161542A (cg-RX-API-DMAC10.html)
DE (1) DE2939617C2 (cg-RX-API-DMAC10.html)
FR (1) FR2466912A1 (cg-RX-API-DMAC10.html)
IT (1) IT1129268B (cg-RX-API-DMAC10.html)
SE (1) SE449930B (cg-RX-API-DMAC10.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57201806A (en) * 1981-06-08 1982-12-10 Aloka Co Ltd Ultrasonic diagnostic device
JPS6123967A (ja) * 1984-07-11 1986-02-01 Kubota Ltd 超音波探傷装置
DE3625618A1 (de) * 1985-11-02 1988-02-11 Deutsche Forsch Luft Raumfahrt Verfahren zur digitalen spitzenwertmessung fuer ultraschallpruefimpulse
DE3538948C1 (en) * 1985-11-02 1987-04-23 Deutsche Forsch Luft Raumfahrt Method for digitally measuring the peak value of ultrasonic test pulses
DE3728173A1 (de) * 1987-08-24 1989-03-09 Wellhausen Heinz Logarithmischer signalwandler
JPH0580034A (ja) * 1991-09-19 1993-03-30 Tokimec Inc 超音波探傷装置
DE19926684C2 (de) * 1999-06-11 2003-02-13 Intelligendt Sys & Serv Gmbh Verfahren und Vorrichtung zur logarithmischen Umwandlung eines Eingangssignals

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL137728C (cg-RX-API-DMAC10.html) * 1964-12-18
US3685046A (en) * 1970-06-02 1972-08-15 Texaco Inc Seismic playback/monitor system
DE2226172C3 (de) * 1972-05-30 1975-12-04 Thyssen Niederrhein Ag Huetten- Und Walzwerke, 4200 Oberhausen Verfahren zur Messung und Auswertung von Ultraschall-Prütimpulsen einer gewählten Impulsfolgefrequenz bei der Ultraschallprüfung von Blechen und ähnlichen Prüflingen nach dem Impuls-Echo-Verfahren
GB1545505A (en) * 1975-09-16 1979-05-10 Ca Minister Nat Defence Excitation and spectral calibration of acoustic emission systems
GB1517533A (en) * 1976-04-01 1978-07-12 Nat Res Dev Stress wave emission analysis systems
DE2623892C3 (de) * 1976-05-28 1988-07-28 Karl Deutsch Prüf- und Meßgerätebau GmbH + Co KG, 5600 Wuppertal Verfahren zum Bewerten von Ultraschall-Signalen in Ultraschall-Prüfgeräten für die zerstörungsfreie Werkstoffprüfung
GB1534366A (en) * 1976-07-23 1978-12-06 Emi Ltd Signal processing arrangements
US4058001A (en) * 1976-08-02 1977-11-15 G. D. Searle & Co. Ultrasound imaging system with improved scan conversion
FR2366546A1 (fr) * 1976-10-01 1978-04-28 Krautkraemer Gmbh Procede et installation pour surveiller les controles aux ultrasons de tubes, tuyaux et barres
US4099416A (en) * 1977-04-25 1978-07-11 Krautkramer-Branson, Incorporated Resolution real-time ultrasonic imaging apparatus
AU517998B2 (en) * 1977-05-06 1981-09-10 Commonwealth Of Australia, The Signal processing system
US4216465A (en) * 1978-03-07 1980-08-05 Hughes Aircraft Company Programmable analog to digital converter

Also Published As

Publication number Publication date
CA1161542A (en) 1984-01-31
FR2466912B1 (cg-RX-API-DMAC10.html) 1984-01-06
SE8006758L (sv) 1981-03-30
BR8006147A (pt) 1981-04-07
FR2466912A1 (fr) 1981-04-10
IT1129268B (it) 1986-06-04
DE2939617C2 (de) 1986-02-06
IT8068464A0 (it) 1980-09-22
DE2939617A1 (de) 1981-04-16
JPS5651660A (en) 1981-05-09

Similar Documents

Publication Publication Date Title
US6268814B1 (en) Carrier-dependent dithering for analog-to-digital conversion
US3982241A (en) Self-zeroing analog-to-digital conversion system
US7002408B2 (en) Data signal amplifier and processor with multiple signal gains for increased dynamic signal range
CN104748844B (zh) 四象限光电探测器信号处理系统
US20110098949A1 (en) System and method for handling wide dynamic range signals encountered in vibration analysis using a logarithmic amplifier
SE463540B (sv) Saett foer att i ett radiokommunikationssystem digitalisera godtyckliga radiosignaler samt anordning foer utoevande av saettet
US9515672B2 (en) Analog-to-digital converter
CA1099019A (en) High speed, wide dynamic range analog-to-digital conversion
TW201806315A (zh) 用於經接收信號之強度指示之自動增益控制
SE449930B (sv) Anordning for omvandling av de av en detektor alstrade analoga ultraljudprovsignalerna till logaritmiskt kodade digitala signaler
JPH0364216A (ja) アナログ信号を正確にディジタル化するための方法と装置
US6720902B2 (en) High dynamic range digital converter
JP2020108148A (ja) デジタル・アナログ・コンバータ、ソース・メジャー・ユニット及びデジタル信号をアナログ信号に変換する方法
US8339303B2 (en) Method for improving the performance of the summing-node sampling calibration algorithm
US4704584A (en) Instantaneous floating point amplifier
CN108387834A (zh) 一种广域adc误差修正测试方法及装置
Parkey et al. Linearized adaptation of non-linear post conversion correction for TIADCs: A behavioral model study
Tsukahara et al. Design and trial production FPGA based stochastic resonance circuit using LVDS and an examination for surface EMG measurement
US4463431A (en) Signal amplitude indicating apparatus
US11293809B1 (en) Thermopile bias method for low voltage infrared readout integrated circuits
Siddavatam et al. A New Method for improving resolution of Nuclear ADC for high resolution Spectroscopy System
Belchamber et al. Use of added random noise to improve bit-resolution in digital signal averaging
SU888032A1 (ru) Устройство дл контрол изделий с помощью акустической эмиссии
SU789807A1 (ru) Способ определени интегральной нелинейности установки амплитуды импульсных источников сигналов
Tanaka et al. The CSI Chip-A CMOS charge-successive integrator with a wide dynamic range for the Telescope Array project

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8006758-0

Effective date: 19930406

Format of ref document f/p: F