Group velocity of pseudo Rayleigh wave in the borehole penetrating elastic formations;
弹性地层井眼中伪瑞利波的群速度
The problem of pseudo notch arised from downhole receiving and its mechanism of generation are discussed theoretically with real seismic data.
本文通过对实际资料分析 ,提出了检波器井中接收所引起的“伪陷波”问题 ,并从理论上分析了伪陷波产生的机制 ,并采用不同的激发方式和接收深度进行了野外试验 ,进一步证实“伪陷波”对地震信号的影响。
The pseudo inverse filter is one of many methods to solve this problem.
但是在系统冲击响应频谱有零点时逆滤波失效 ,为此有各种不同的改进方法 ,伪逆滤波是其中之一。
An image filter called the pseudosphere filter is presented in this paper.
提出了一种图像滤波器——伪球滤波器。