A new method, the rayparameter method, is presented in this paper to derive velocity - or its linear gradient-depth information, directly from multi-channel seismic data.
本文提出的“射线参数法”,可由多道地震记录谱直接估算层速度或层速度线性梯度值。
2
Detective efficiency is an important instrumental parameter of X ray photoelectron spectrometer.
探测效率是X射线光电子能谱仪一个很重要的仪器参数。
3
The total refractivity content along the ray path is an important propagation parameter in space times.