There might be no radar coverage.
可能没有雷达覆盖。
You are out of Radar coverage.
你在雷达有效范围之外。
This often means flying in remote areas with no radar coverage.
这些用途意味着它们将飞行在没有雷达覆盖的边远地区。
Evaporation duct has play an important role in the evaluation of radar coverage predictions because of its great probability and large coverage area.
海上蒸发波导的高发生概率、大覆盖范围使其在雷达探测性能的评估上起到了不可忽视的作用。
The valuable conclusion can be achieved by means of analyzing the AIS data, playback the ship trajectory and simulation experiments, especially to the accidents beyond the radar coverage.
对交通事故，特别是雷达覆盖区以外的事故，通过对AIS数据和航行轨迹的回放、分析和模拟实验，可以得到有价值的结论；
The radar features two stationary planar array antennas, each covering a sector of 90 degrees, thus achieving 180 degrees of simultaneous coverage.
该雷达具有两个固定平面阵天线，每个扇形覆盖90度，从而实现同步覆盖180度。
Full 360 degree coverage can be achieved either by adding more antennas or by placing the radar on a positioner.
通过添加更多的天线或放置雷达可以实现360度全覆盖。
The weather radar, possessing a wide coverage and accurate real-time response, has back waves corresponding to arbitrary points within its coverage.
天气雷达覆盖面广、实时性强，对于观测区域内任意点都有回波与其对应。
High frequency skywave over-the-horizon radar can provide a wide coverage beyond the horizon by means of refraction within the ionosphere.
高频天波超视距雷达通过电离层的折射作用，具有同时超视距监测大区域范围的能力。
The pulse compression(PC) radar signals are widely used because of their good range coverage and resolution, and also the nice performance of anti-jamming.
脉压信号因能较好的解决作用距离和分辨能力之间的矛盾以及良好的抗干扰性能得到了广泛的应用。
The pulse compression(PC) radar signals are widely used because of their good range coverage and resolution, and also the nice performance of anti-jamming.
脉压信号因能较好的解决作用距离和分辨能力之间的矛盾以及良好的抗干扰性能得到了广泛的应用。
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