速度滤波(velocity filtering)是利用地震波传播速度的差别压制干扰的措施。
...箍;速度滤波 [gap=1314]Key words: perforation;computer application;tracing and location;collar;velocity filtering ...
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... F-K transform F-K 变换 F-K velocity filtering F-K 速度滤波 F. 二月 ...
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为了消除端点和假频影响,文中采用了双曲线速度滤波法和相似系数法。
Hyperbolic velocity filtering and similar coefficient method are introduced to remove the influences resulting from end-point effect and alias.
中值滤波较通常的二维视速度滤波更能有效地突出波组特征,分离VSP波场的效果也较二维滤波优越。
Median filtering can highlight wave band better than 2-d velocity filtering does. It also causes a better VSP wave field separation.
提出了一种数字FIR速度滤波器以及数字PID速度控制器的实现机制,分析了各控制系统的功能及结果。
A digital FIR speed filter and a digital PID speed controller are designed. The performance and results of the system are analyzed.
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