结果表明菱形天线具有较好的性能，所得到的结果对该类天线及超视距通信系统的设计有指导意义。
And the results obtained can be instructional on the design of rhombic antenna and over-the-horizon (OTH) communication system.
Harris公司将提供FalconIIRF- 5800H长途高频(HF)无线电系统，具有超视距地面通信能力。
Harris will supply Falcon II RF-5800H high-frequency (HF) radio systems for long-haul, beyond line-of-sight terrestrial communications.
1500是一种数字式微波通信系统用于视距(LOS)无线电信息传送。
The MW-1500 is a digital microwave communication system for radio line of sight (LOS) information transmission.
1500是一种数字式微波通信系统用于视距(LOS)无线电信息传送。
The MW-1500 is a digital microwave communication system for radio line of sight (LOS) information transmission.
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