Time delay estimation using WDA cross-correlation
WDA相关法时间延迟估计
The principles of ALGOS ( BIMP) algorithm, Kalman algorithm and Wavelet Decomposition Algorithm ( WDA) of atomic time are introduced.
介绍了原子时的ALGOS算法、Kalman算法及小波分解算法的原理。
The WDA ( acronym of Wavelet, Detail and Approximate) cross-correlation method based on wavelet transform was developed in consideration of measuring ultrasound echo signals to reduce the effects of noise, template window sizes and flaws on the time delay estimate using cross-correlation methods.
为了消除噪声、模板窗口大小和缺陷特征等因素对相关法时间延迟估计的影响,结合检测超声回波信号的特点,提出了基于小波变换的相关法时间延迟估计方法。
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