This paper analyzes the differences of the space paremeters between the ship and other objects, thereby the characteristics of the various return waves are obtained.

利用这些差异可以排除不需要的杂波，识别船舶目标的回波。

youdao

As soon as they hit the object in front, the waves will return to the glove.

一旦碰到前面的物体，波浪就会回到手套上。

youdao

These waves reflect (反射) off surfaces all around and return to my ears.

这些波段经过周围表面的反射后，又回到我的耳朵里。

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So when I punch in my return destination into my iPhone after catching some waves, Sync tells me I have plenty of electrons to make it home.

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