"The high frequencies make the bats' sonar beam very focused and short-ranged, " he said.

“高频率声波使得声音束很集中，周期很短。” 他说。

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The orientation of the sonar beam was considered in the active dipping sonar sensor model to complete the target movement analysis such as differentiating orientation.

在主动式吊声模型中，考虑声纳的波束方向，便于对目标进行定向等运动分析。

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Sea Bat 7125-e - High resolution multi beam sonar, the S410 Deepwater hydrographic and broadband echosounder, and the PDS2000 Software package.

“海上蝙蝠”(Sean Bat) 7125 - E高精度多波束声纳，S410深水水道测量和宽带回波器，PDS2000软件包。

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