此项技术利用了沿地层形成的低相干带和由断层产生的低相干带方向上的差别,通过局部方向扫描和多项式滤波来滤除不需要的低相干带和随机噪声带来的干扰。
Along horizon LCS and differences in directions of LCSs resulted from faults are used to suppress the undesired LCS and random noise through local dip scanning and polynomial filtering.
各种随机噪声是导致激光陀螺产生误差的主要因素,且其性质特殊,很难用传统的滤波方法去除。
The various random noises in laser gyro are the main factor affecting the accuracy. In accordance with the property of its noise, traditional filtering methods have many shortages.
结果时序自适应滤波器能有效地降低信号中的随机噪声,滤波后心室晚电位信号得到了相对增强。
Results Random noise of the signal is depressed and ventricular late potential is enhanced after time sequence adaptive filtering.
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