refraction method

Differential Measurement Method for Atmospheric Refraction and the Results of Experimental Observations

天文大气折射的较差测量方法及试观测结果

Probe into Dissecting Refraction Method Statics Processing under Complicated Surface Conditions.

不同地表条件下土壤侵蚀的坡度效应.

The generator function method, analytic solution and mapping function in atmospheric refraction

大气折射母函数方法、大气折射解析解和映射函数

Research on Atmospheric Refraction Error Correction Method of Optic Radar

光学雷达大气折射误差修正方法研究

A new method of mini-refraction ray tracing is given based on a model of homogeneous medium tilted interface, by which formation velocity, its thickness and its apparent dip ( along the spread direction of mini refraction) could be calculated.

给出了一种基于均匀介质倾斜界面模型的小折射射线追踪新方法，可以计算地层层速度、厚度及地层视倾角（沿小折射排列方向）；

A Δ t Interpretation Method for Seismic Refraction Time-Distance Curve with continuous Unreversed Refraction Profiles at Shallow Sea

海洋走航式单边连续观测地震折射波Δt解释方法&1种新的浅层折射单支时距曲线解释方法

The principle and processing method of ghost velocity-critical angle spectrum of seismic refraction

地震折射波的虚拟速度&临界角谱的原理与制作方法

Therefore the applications of the ray-parameter method to thin layers and the refraction method to hard layers need to be considered in an acoustic velocity measurement system composed of a sound source and a towed hydrophone streamer.

为此，有必要在一个由声源和拖曳水听器阵组成的声速测量系统中设置接射线参数法和折射法测量海底地层声速的处理功能。

Atmospheric Refraction Error of Range Measured by Difference Frequency Delay Method

差频延时法测距的大气折射误差

The shallow refraction seismic survey is a good method in shallow engineering geology sur-vey.

浅层工程地震折射波法是进行浅层工程地质勘察十分有效的方法。