narrow band-pass filtering 窄带通滤波
band pass filtering circuit 带通滤波电路
complex analytic band-pass filtering 复解析带通滤波
pass band filtering 带通滤波
We analyze detailedly the azimuth preprocess principle and propose the band-pass filtering sub-aperture method, which can simplify the process effectively.
文中详细分析了方位预处理的工作原理，提出了对子孔径进行带通滤波的处理方法，以有效地简化方位预处理工作。
A new method is introduced to decompose a signal into a set of IMFs (Intrinsic Mode Function) by virtue of fast band-pass filtering.
利用快速滤波建立了一种对信号进行本征模态函数分解的全新方法。
Two methods with which the long disturbance is removed from the digital are introduced: narrow band low - pass filtering canceling method and adaptive high - pass filtering method.
本文主要提出两种消除数字地震信号中长周期随机干扰的方法：窄带低通滤波对消法和自适应高通滤波法。
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