Since we now have television and sonar, we are able to examine the bottom of the sea quite well.
由于我们现在有电视和声纳，我们就能够很好地研究海洋底部了。
A bottom detection method used in the multibeam bathymeter sonar is introduced. The method is based on the separate aperture method, which is associated with phase information.
介绍了一种建立在与相位信息相联系的分离孔径方法的基础上的、用于多波束测深声纳的海底探测方法。
In the littoral environment, the bottom scattering is one of the most important factors for limiting the performance of active sonar.
在浅海环境中，海底散射是影响主动声纳性能的最主要因素之一。
Side-scan sonar image (SSI) must be segmented into regions of shadow, sea-bottom-reverberation, and object-highlight before underwater object can automatically be detected and recognized.
为了利用侧扫声呐进行水下目标自动探测和识别，首先必须将声呐图像分为目标高亮区、海底混响区和目标阴影区。
Side-scan sonar image (SSI) must be segmented into regions of shadow, sea-bottom-reverberation, and object-highlight before underwater object can automatically be detected and recognized.
为了利用侧扫声呐进行水下目标自动探测和识别，首先必须将声呐图像分为目标高亮区、海底混响区和目标阴影区。
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