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本专利的目标指示系统是采用相干光双光束照射分系统制成的。一束光改变一个频率级,使之区别于另一束光。光束从光源发散,直到叠射于要打击的目标上。光束重叠时的频差产生活动条纹干涉图,而活动条纹则对目标进行扫描。用各种不同的接收系统识别扫描的条纹并标明目标。此外,没有接收分系统,照射分系统也可用作测距装置。该装置经过调整,把光束调到能见到最大强度的活动条纹图,就可给出目标距离。
The patented target indicating system is made using a coherent light dual-beam illumination subsystem. A beam of light changes one frequency level to distinguish it from the other. The beam diverges from the light source until it is superimposed on the target to be struck. The frequency difference of the beam overlap produces an active fringe pattern, while the active fringes scan the target. Identify the scanned stripe with a variety of different receiving systems and indicate the target. In addition, without the receiving subsystem, the illumination subsystem can also be used as a distance measuring device. The device is adjusted to target the distance by moving the beam to the active stripe pattern where the maximum intensity can be seen.