Impulse type laser ranging device and method

Abstract

The invention discloses an impulse type laser ranging device and method, and belongs to the technical field of laser impulse ranging. The impulse type laser ranging device comprises a control module,a laser emitting module, an optical system module, a laser receiving module, a signal processing module, a timing module and a power supply module; the control module controls laser emitting, providesemitting start time for the timing module, and calculates a target ranging value based on impulse flight terminal time fed back by the timing module; and the signal processing module connected with the laser receiving module performs impulse decoding processing on a processed echo signal and identifies echo signal terminal time, namely, the impulse flight terminal time. The impulse type laser ranging device has high ranging precision and good reliability performance. Meanwhile, the invention further provides the impulse type laser ranging method based on the impulse type laser ranging device.According to the implementation, the problems that in the prior art, the precision of the impulse type laser ranging is low and the reliability performance is poor can be effectively improved.

Description

technical field [0001] The present invention relates to the field of laser ranging, and more particularly, to a pulsed laser ranging device and method. Background technique [0002] With the rapid development of laser measurement technology, laser ranging has been widely used in various measurement industries. However, traditional laser ranging has great constraints on the measurement distance and measurement accuracy. Laser ranging systems can generally be divided into phase laser ranging systems and pulsed laser ranging systems according to the type of laser emitted. Although the phase laser ranging system can guarantee the high precision of the measurement, the measurement range is small. For the measurement of a longer distance, a pulsed laser ranging system is required. Military pulsed laser rangefinders can measure distances with high accuracy, but they are too bulky and consume high power, making them unsuitable for civilian use. [0003] Compared with the phase dis...

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Problems solved by technology

[0005] The purpose of the present invention is to provide a pulsed laser ranging device with high reliability and high precision in view of the technical problems of low accuracy and poor reliability of the current traditional pulsed laser ranging

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