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激光近炸引信距离控制精度是导弹炸点控制的保证,是实现引战配合的前提。目前,激光引信距离控制精度测试主要利用“距离仿真”的光电法来实现,由于光电法存在最小启动距离且分辨力低,不能满足激光近炸引信测试要求。文中提出一种检测激光近炸引信测距能力与测距精度的方法。利用光在光纤中走过的光程来模拟激光回波走过的光程,通过调节直角棱镜组之间的距离来进行光程的精确调节,从而利用光在测试系统中走过的光程来模拟目标反射回波,实现精确的动态距离仿真。对距离仿真系统的最小测试距离和精度进行了分析。
The accuracy of the laser near-fuze distance control is the guarantee of the control of the bomb explosion point, which is the prerequisite for the cooperation of the lead warfare. At present, the accuracy test of laser fuze distance control is mainly realized by the photoelectric method of “distance simulation”. Because of the minimum starting distance and low resolution, the photoelectric method can not meet the requirements of laser near-fuze test. In this paper, a method to detect the capability of laser proximity fuze and the accuracy of ranging is proposed. The optical path traveled by the light in the optical fiber is used to simulate the optical path traveled by the laser echoes and the optical path is precisely adjusted by adjusting the distance between the right-angled prism groups so that the optical path traveled by the light in the test system To simulate the target reflection echo, to achieve accurate dynamic distance simulation. The minimum test distance and accuracy of the distance simulation system are analyzed.