sound radar

The anti-artillery reconnaissance is an important duty of artillery reconnaissance, the artillery locating radar and sound ranging are main equipments of anti-artillery reconnaissance.

反炮兵侦察是炮兵侦察的一项重要任务，声测和雷达是反炮兵侦察的主要装备。

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The Operational Effectiveness Analysis of the Artillery Locating Radar and Sound Ranging Networking System based on SEA

基于SEA的炮兵声测和雷达组网的作战效能分析

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Over the past 15 years or so, scientists have learned how to construct materials that bend light waves, as well as radar, radio, sound and even seismic waves, in ways that do not naturally occur.

在过去大约15年的时间里，科学家已经学会如何制造能够以非自然的方式使光波、雷达波、无线电波、声波，甚至地震波弯曲的材料。

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By tapping in the signals from airforce space surveillance radar, a special program turns a streaking meteor into an audible sound, like this example from the Geminids meteor shower.

据空军太空监视雷达发布的信号，一个特殊的系统将流星做成可听到的声音，就像双子座流星雨那样。

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it relies on a series of cameras and ultra-sound radar sensors that ensure the car stays in lane and is a safe distance from other cars.

依靠一系列的摄像机和超声雷达感应器，汽车能够确保在车道内行驶，并与其他车辆保持安全距离。

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