| 摘要 |
A threat detection system and method protects an object of interest (such as, but not limited to, manned and unmanned aircrafts, vehicles, vessels, and buildings) from potential weapons (such as, but not limited to, a missile, an aircraft, a vehicle, a vessel, or the like). The threat detection system transmits a hi-powered, extremely short-pulsed non-directional laser signal. Because the pulse time of the laser signal is so short (a few tenths of a nanosecond), the laser signal is substantially only reflected off optics that are pointed or aimed at the object to be protected. The reflected laser signals are received by the threat detection system and are then compared with the transmitted laser signals to determined the direction, speed, distance and potentially identity of the potential weapon. Because the threat detection system is not based on movement alone, it is capable of detecting a potential weapon while in flight or prior to launch.
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