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小高炮由于其操作简便反应快成本低是防低空的有效火器,在小高炮火控系统中配置激光测距机又是解决首发命中的一个有效途径。但激光测距机用于对空中快速运动目标测距时,最常遇到的假目标回波是来自云层对激光的反射,只有能判别测到的究竟是云还是目标,并能自动剔除云层回波、截获并跟踪目标回波,才能满足实战要求。本测距机区别于其他对空激光测距机的特点是:1).利用目标距离变化率R_N 的判别不等式实施对目标的距离选通。判别不等式150米/秒≤|R_N|≤300米/秒,用来在目标斜距离R_N≥
Due to its simple operation and quick reaction, the small anti-aircraft gun is an effective anti-aircraft firearm. The deployment of a laser range finder in a small AA fire control system is also an effective way to solve the first-hit. However, when the laser range finder is used to measure the fast-moving target in the sky, the most common echo of the pseudo-target is the reflection of the laser light from the clouds, and only the cloud or the target detected can be discriminated and automatically removed Echo, intercept and track the target echo, in order to meet the actual combat requirements. The characteristics of the range finder which is distinguished from other air lasers are as follows: 1) The distance gating of the target is implemented by using the discriminant inequality of the target distance change rate R_N. Discriminant inequality 150 m / s ≤ | R_N | ≤ 300 m / s, to be used at the target slant distance R_N ≥