Gravity meters and their operators were lowered to the water bottom in diving bells.
重力仪及操作员们都在钟形潜水器内沉到水底。
The pressure variation on shallow water bottom caused by a moving ship is of vital importance for safety.
航行船舶在水底引起的压力变化对其自身安全有重要影响。
The automatic detection algorithm is key technique that carries out dynamic monitoring of shallow ocean under water bottom topography.
自动化检测算法是实现浅海水下地形动态监测的关键技术。
The down-going wavefield at the sensor position is forward propagated to the water bottom, resulting in a down-going wavefield at the water bottom (46).
传感器部位上的下行波场被正向传播到水底，产生水底处的下行 波场（46）。
The paper introduced in detail the work principle, identified technique of signal coming from water bottom, application method, practical effects and items for attention for HD-17 depth founder.
文中详细地介绍了HD - 17测深仪的工作原理、水底信号识别技术、使用方法、实际应用效果以及注意事项。
Final, we proposed the detection algorithm of shallow ocean under water bottom topography in SAR images, amongst it adopted average invariant moments and redefined distance of invariant moments.
最后提出了SAR图像中浅海水下地形的检测算法，其中采用了平均不变矩并重新定义了不变矩的距离。
First, we proposed the retrieval method of characteristic variety direction of shallow ocean under water bottom topography, and proved its direction was in accordance with SAR images characteristic.
首先提出了浅海水下地形特征变化方向的提取方法，证明了其提取的方向与SAR图像特征基本一致。
A serial of techniques developed through the study includes intelligent bin homogenizing, source interference elimination, deep-sea multiple removal, muting by water bottom and deep water data image.
通过研究智能面元均化、有源干扰去除、深海多次波去除、按水深切除及深水资料成像等多项处理技术，形成了深海地震资料处理的技术系列。
A serial of techniques developed through the study includes intelligent bin homogenizing, source interference elimination, deep-sea multiple removal, muting by water bottom and deep water data image.
通过研究智能面元均化、有源干扰去除、深海多次波去除、按水深切除及深水资料成像等多项处理技术，形成了深海地震资料处理的技术系列。
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