Volume 41 Issue 8
Sep.  2012
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Article Navigation >  Infrared and Laser Engineering  > 2012  >  41(8): 2068-2072

Ma Pengge, Jin Qiuchun, Qi Li, . New airborne multi-pulse LADAR target signal simulator[J]. Infrared and Laser Engineering, 2012, 41(8): 2068-2072.
Citation: Ma Pengge, Jin Qiuchun, Qi Li, . New airborne multi-pulse LADAR target signal simulator[J]. Infrared and Laser Engineering, 2012, 41(8): 2068-2072.
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New airborne multi-pulse LADAR target signal simulator

  • 1.

    Zhengzhou Institute of Aeronautical Industry Management,Zhengzhou 450015,China;

  • 2.

    Science and Technology on Elcetrooptic

  • 3.

    Control Laboratory,Luoyang 471009,China;

  • The airborne multi-pulse LADAR target signal simulator was studied based on signal model to evaluate the performance of laser echo signal processing algorithms and their digital hardware platform. Firstly, the main elements of target signal model and two definition of SNR were pointed out. Subsequently, based on the ladar equation and 1.064 um laser radiation photoelectric receiver experiment, the signal waveform was obtained and the target signal composition was analized. The echo signal model was further established by the analysis of air target echo pulse broadening. Then, the method to generate echo signal according to SNR was proposed based on the RMS value standardization of echo noise samples. Finally, the implement of target signal simulator was given based on FPGA and high-speed D/A and USB2.0 data transmission, which could provide the echo signal and sync -signal of static and dynamic targets with the SNR of 1-9.
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通讯作者: 陈斌, bchen63@163.com
  • 1. 

    沈阳化工大学材料科学与工程学院 沈阳 110142

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New airborne multi-pulse LADAR target signal simulator

  • 1. Zhengzhou Institute of Aeronautical Industry Management,Zhengzhou 450015,China;
  • 2. Science and Technology on Elcetrooptic
  • 3. Control Laboratory,Luoyang 471009,China;

Abstract: The airborne multi-pulse LADAR target signal simulator was studied based on signal model to evaluate the performance of laser echo signal processing algorithms and their digital hardware platform. Firstly, the main elements of target signal model and two definition of SNR were pointed out. Subsequently, based on the ladar equation and 1.064 um laser radiation photoelectric receiver experiment, the signal waveform was obtained and the target signal composition was analized. The echo signal model was further established by the analysis of air target echo pulse broadening. Then, the method to generate echo signal according to SNR was proposed based on the RMS value standardization of echo noise samples. Finally, the implement of target signal simulator was given based on FPGA and high-speed D/A and USB2.0 data transmission, which could provide the echo signal and sync -signal of static and dynamic targets with the SNR of 1-9.

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