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Streak tube imaging laser radar laser emission random error measurement and compensation system

A technology of laser radar and laser emission, which is applied in the direction of radio wave measurement system, measurement device, and utilization of re-radiation, etc., can solve the problems of large system error and the inability of the camera to capture the signal, etc., and achieve the effect of solving the random error of emission

Active Publication Date: 2019-07-16
湖南力研光电科技有限公司
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  • Application Information

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Problems solved by technology

[0003] For the random error of laser emission and the inherent response time of each component of the system, it will lead to a large system error in the measurement, and even the situation that the camera cannot capture the signal

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  • Streak tube imaging laser radar laser emission random error measurement and compensation system
  • Streak tube imaging laser radar laser emission random error measurement and compensation system
  • Streak tube imaging laser radar laser emission random error measurement and compensation system

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Embodiment Construction

[0028] A streak tube imaging lidar laser emission random error measurement and compensation system, such as figure 1 The shown includes a streak tube lidar laser emission random error measurement module, a streak camera 6 and an image processing terminal 7;

[0029] The streak tube lidar laser emission random error measurement module includes a laser trigger module, a laser emission module and a time measurement module, wherein the laser trigger module sends a laser Q-switching signal 10 to the laser emission module, and the laser emission module emits laser light and transmits the laser light 13 to the target 14. The time measurement module The measurement module calculates the time difference between the receiving time of the laser Q-switching signal 10 and the laser emitting time, and transmits the time difference information to the image processing terminal 7;

[0030] The streak camera 6 collects the laser light reflected by the target 14, and outputs the image 12 to the ...

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Abstract

The invention discloses a streak tube imaging laser radar laser emission random error measurement and compensation system comprising a streak tube laser radar laser emission random error measurement module, a streak camera and an image processing terminal. when laser is emitted to a target, the streak tube laser radar laser emission random error measurement module transmits time difference information to the image processing terminal; the streak camera collects the laser reflected by the target, and outputs an image to the image processing terminal; and the image processing terminal performs time compensation according to the time difference and the image, and thus eliminates a measurement error caused by laser delay and jittering.

Description

technical field [0001] The technology belongs to the field of radar measurement, and specifically relates to timing measurement and synchronous correction of a laser radar system. Especially the synchronous correction on short-distance laser measurement can greatly improve the measurement accuracy. Background technique [0002] With the advancement and development of related technologies, the advantages of streak tube imaging lidar in the field of detection have emerged. In medium and long distance measurements, the radar system can ignore the trigger delay of the streak camera. However, in short-distance measurement, the streak camera cannot capture the laser signal. In addition, in a complex environment, the laser may emit random errors. Therefore, an auxiliary system is needed to correct each trigger signal in real time. Contents of the invention [0003] For the random error of laser emission and the inherent response time of each part of the system, it will lead to ...

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Application Information

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IPC IPC(8): G01S17/89G01S7/497
CPCG01S7/497G01S17/89
Inventor 陈富彬张祉琪伍卫华郭仕剑谭志国王兴廖志强
Owner 湖南力研光电科技有限公司