同时对重力数据归算中的永久性潮汐的处理进行总结和说明。
We summarize and explain the treatment to the permanent tide in the reduction of gravity data.
对云龙台的水管倾斜仪观测数据进行了倾斜固体潮的潮汐分析，发现EW和NS两个分量的振幅因子异常变化与地震有较好的对应关系。
Based on the water tube tiltmeter observatory data, the author analyses the ground tilt tide, finds that the abnormal change of amplitude factors of EW and NS componts is corresponding to earthquakes.
设计出了一种基于可编程自动控制器(PAC)，采用现场总线和I7000系列分布式数据采集模块组成的潮汐模拟控制系统。
In this sense, the control system based on programmable automation controller (PAC) for simulating tide with field bus and I7000 distributed data acquisition units was developed.
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