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CHEN Jia-yi, YI Xiao-su. Time interval measurement of laser ranging based on CPLD & microchip[J]. LASER TECHNOLOGY, 2008, 32(4): 363-365,369.
Citation: CHEN Jia-yi, YI Xiao-su. Time interval measurement of laser ranging based on CPLD & microchip[J]. LASER TECHNOLOGY, 2008, 32(4): 363-365,369.
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Time interval measurement of laser ranging based on CPLD & microchip

  • School of Instrument Science & Opto-electronics Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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  • Received Date: May 16, 2007
  • Revised Date: August 20, 2007
  • Published Date: August 24, 2008
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    • Abstract
  • In order to improve the precision of time interval measurement in pulsed laser ranging,several interpolation methods are used.Analog interpolation time-interval measurement has advantages of high precision,small blind area,long measurement range and good linearity.Ananalog interpolation measurement method using complex programmable logic device(CPLD) and microchip was presented.Benefiting from the use of CPLD,the circuit became simplified.Furthermore,the time-interval measurement system adapted extraordinarily to high performance portable pulsed laser rangefinder for its compactness,simple structure and high reliability.
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    • References (10)
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