AU2002218135A1 - Method and device for the recording and processing of signal waves and corresponding method - Google Patents

Method and device for the recording and processing of signal waves and corresponding method

Info

Publication number
AU2002218135A1
AU2002218135A1 AU2002218135A AU1813502A AU2002218135A1 AU 2002218135 A1 AU2002218135 A1 AU 2002218135A1 AU 2002218135 A AU2002218135 A AU 2002218135A AU 1813502 A AU1813502 A AU 1813502A AU 2002218135 A1 AU2002218135 A1 AU 2002218135A1
Authority
AU
Australia
Prior art keywords
signal
signal waves
waves
processing
phase
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.)
Abandoned
Application number
AU2002218135A
Inventor
Rudolf Schwarte
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2002218135A1 publication Critical patent/AU2002218135A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • 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
    • G02F2/002—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light using optical mixing
    • 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
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/491—Details of non-pulse systems
    • G01S7/4912—Receivers
    • G01S7/4913—Circuits for detection, sampling, integration or read-out
    • G01S7/4914—Circuits for detection, sampling, integration or read-out of detector arrays, e.g. charge-transfer gates
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/0608—Transference of modulation using distributed inductance and capacitance by means of diodes
    • 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
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G01S17/894—3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Recording Measured Values (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Solid State Image Pick-Up Elements (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Light Receiving Elements (AREA)

Abstract

The invention relates to a method for detecting and processing the amplitude and phase of signal waves. A Modulated signal source generates the signal waves which are modified by transmission medium or by reflection and scattering by at least one object. The modified signal waves are received and demodulated using a modulation signal. The amplitude of the modulated signal waves and their phase relationship to the modulation signal are measured and evaluated. The demodulated signal wave is converted into an electrical charge or charge displacement in the receiving medium and is distributed in accordance with a modulation signal to at least two readout outputs and fed to an evaluation unit. The evaluation unit produces the sum and difference of the output signals thus applying the value of the intensity and the phase position of the signal wave that has been scattered, reflected or delayed by the object.
AU2002218135A 2000-10-16 2001-10-16 Method and device for the recording and processing of signal waves and corresponding method Abandoned AU2002218135A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AU2001221481 2000-10-16
PCT/DE2000/003632 WO2002033817A1 (en) 2000-10-16 2000-10-16 Method and device for detecting and processing signal waves
PCT/DE2001/003914 WO2002033922A2 (en) 2000-10-16 2001-10-16 Method and device for the recording and processing of signal waves and corresponding method

Publications (1)

Publication Number Publication Date
AU2002218135A1 true AU2002218135A1 (en) 2002-04-29

Family

ID=5647983

Family Applications (2)

Application Number Title Priority Date Filing Date
AU2001221481A Abandoned AU2001221481A1 (en) 2000-10-16 2000-10-16 Method and device for detecting and processing signal waves
AU2002218135A Abandoned AU2002218135A1 (en) 2000-10-16 2001-10-16 Method and device for the recording and processing of signal waves and corresponding method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU2001221481A Abandoned AU2001221481A1 (en) 2000-10-16 2000-10-16 Method and device for detecting and processing signal waves

Country Status (10)

Country Link
US (2) US7012738B1 (en)
EP (2) EP1330869A1 (en)
JP (2) JP2004512723A (en)
KR (2) KR100852446B1 (en)
CN (2) CN100446410C (en)
AT (1) ATE459174T1 (en)
AU (2) AU2001221481A1 (en)
BR (2) BR0017356A (en)
DE (2) DE50115365D1 (en)
WO (2) WO2002033817A1 (en)

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Also Published As

Publication number Publication date
JP4189906B2 (en) 2008-12-03
JP2004512723A (en) 2004-04-22
US7012738B1 (en) 2006-03-14
ATE459174T1 (en) 2010-03-15
EP1332594B1 (en) 2010-02-24
WO2002033922A2 (en) 2002-04-25
EP1330869A1 (en) 2003-07-30
CN100446410C (en) 2008-12-24
KR100875196B1 (en) 2008-12-22
EP1332594B8 (en) 2010-04-07
DE50115365D1 (en) 2010-04-08
AU2001221481A1 (en) 2002-04-29
DE10194478D2 (en) 2004-04-29
WO2002033817A1 (en) 2002-04-25
US6927889B2 (en) 2005-08-09
EP1332594A2 (en) 2003-08-06
JP2004512679A (en) 2004-04-22
BR0017356A (en) 2004-08-17
KR20040014404A (en) 2004-02-14
KR20030045827A (en) 2003-06-11
US20040012834A1 (en) 2004-01-22
CN1461518A (en) 2003-12-10
CN1290254C (en) 2006-12-13
KR100852446B1 (en) 2008-08-14
WO2002033922A3 (en) 2003-06-05
BR0114700A (en) 2004-02-17
CN1479968A (en) 2004-03-03

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