显控电路在现代精密测深仪中担当着重要角色，它是与测深仪的用户直接发生联系的部分。
The presentation controller circuit plays an important role in the modern precision instruments and it is the part directly connecting with sounders users.
在海洋测深过程中，回声测深仪波束角效应使记录的测深图像失真。
In bathymetric survey, the record seabed image is distorted due to the angular beam width of an echo sounder.
在海洋测深中，由于回声测深仪波束角效应的影响，对凸形海底的测量会带来较大的失真。
The record seabed image distorted due to the angular beam-width of echo-sounder in bathymetric, especially for gibbous terrain.
本文在介绍回声测深仪基本工作原理的同时，介绍了回声测深仪在杭州湾口外一拟建大型码头水下地形测量的一个应用实例。
The paper briefs the basic principles of the fathometer and its application to submerged landform measurement near a planned large dock out of the Hangzhou Bay.
针对KNUDSEN 320M型测深仪的性能特点，介绍了双频测深仪在水深测量中的应用。
In the light of the performance features of KNUDSEN 320M detector, this paper analyzes on the application of double frequency detector in the water-depth measurement.
在数据处理方面，测深仪输出的测深数据并不稳定，错误数据出现的概率较大。
As in the data processing, the output of depth sounder is not stable, causing a high probability of error.
在数据处理方面，测深仪输出的测深数据并不稳定，错误数据出现的概率较大。
As in the data processing, the output of depth sounder is not stable, causing a high probability of error.
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