| 摘要 |
PURPOSE: A laser target designator system using the multi frequency pulse modulation is provided so that the password leakage possibility can be reduced in the decryption algorithm. CONSTITUTION: The code selector(110) selects the specific encryption code of a plurality of encryption codes. The code encoder(120) occurs the series of digital pulse from the selected encryption code. The series of digital pulse mixes the pulse spacing number of kinds with the pulse spacing conditioning side tub mode to plurality. The pulse controller(130) is created the laser trigger pulse train from the series of digital pulse.
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