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.
新的界面将定位MH - 60，以满足未来的任务要求，例如，超视距通信中继和美国国防部全球信息网格的连通性。
The new interface will position the MH-60 to meet future mission requirements, such as over-the-horizon communications relay and connectivity to the Defense Department's Global Information Grid.
在微波视距通信中通常采用二径模型来描述信道，简要介绍了二径模型的频率响应、损伤参数以及多径时延与天线高度、通信距离的关系。
This paper introduces briefly the frequency response, damage parameter of two-ray multipath model and the relationship between multipath time delay, antenna height and communication distance.
“作战幸存者/逃逸者定位器”为军事人员提供精确的地理定位信息和安全，超视距（OTH）和视距（LOS）双向数据通信能力。
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.
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.
本文概述了超高频电波在陆地上的传播特性和传播方式及视距和通信距离的计算；
In this paper, the transmission performance and transmission manner of superfrequency electric wave and the calculations of stadia and communication distance are discussed.
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.
因此，对于对准精度要求并不苛刻的非视距紫外光通信而言，此算法是可行的。
This algorithm, therefore, is feasible for the ultraviolet communication which does not need rigorous pointing accuracy.
因此，对于对准精度要求并不苛刻的非视距紫外光通信而言，此算法是可行的。
This algorithm, therefore, is feasible for the ultraviolet communication which does not need rigorous pointing accuracy.
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