Multipath fading in the microwave line-of-sight (LOS) channels is the major source of. outage of a digital microwave communication system.
微波视距信道中的多径衰落是造成数字微波系统中断的主要原因。
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CSEL provides military personnel with precise geo-positioning information and secure, over-the-horizon (OTH) and line-of-sight (LOS) two-way data communications capabilities.
By using the lineofsight (LOS) measurements from space based infrared sensors, free flight phase trajectory estimation problem of ballistic missile is studied.