echo sounder

Simultaneous bottom characteristics surveys were made by using dual-frequency echo sounder and box corer in an experimental sea area, and the bathymetric data and samples for different types of bottom material were obtained.

在典型的实验海区，使用双频测深仪和箱式取样器，对海底进行同步探测，获取双频测深仪不同底质类型数据。

In bathymetric survey, the recorded seabed is distorted due to the beam-width of the echo sounder.

摘要在海底地形测量中, 由于波束角效应导致探测的海底地形存在失真.

Marine Equipment, Satellite Equipment, Gps, Radar, Echo Sounder Marine Equipment.

采购产品海洋设备, 卫星设备, 全球定位系统, 雷达, 测深仪船舶设备.

The basic principle and operation programs of GPS-RTK integrated with digital echo sounder are introduced briefly, and its application to the bottom topographic survey without tidal observation is described to prove its precision and efficiency.

简要介绍了GPS RTK与数字测深集成技术的测量原理，探讨了测量作业方法与影响测量精度的因素，并结合工程实例对测量精度与效率进行了验证。

A device used underwater to produce pulses of sound, as for an echo sounder.

声脉冲发送器置于水下产生声脉冲的装置, 如回音器中的装置.

The adjusting device of an echo sounder

测深仪校准装置

The simulated teaching experiment system of echo sounder by computer is put forward in this paper.

提出了一种计算机模拟船用回声测深仪教学实验系统.

Inspection installation and water tightness transducer of echo sounder on berth.

测深仪换能器船台安装和水密性检查.

The echo sounder is now gradually out of use in navigation, because it has many errors.

回声测深仪在导航仪器中的地位在下降，其原因是它存在着较多的误差。