Then the high frequency subband were processed by the threshold setting method, and the processed signal was reconstructed next.
然后通过设置阈值的方法对高频子带进行处理，接着进行重构。
The iterative method of frequency estimation based on multi-channels, with high estimation precision, low SNR threshold, is easy to implement with hardware.
多通道迭代的测频算法，具有测频精度高，测频信噪比门限低，具有易于硬件实现的特点。
In this paper the defects in a new type of high-gain, low-threshold, self-active, self-frequency-doubling NYAB crystal are investigated by optical methods.
本文报告了用光学方法研究高增益、低阈值的新型自激活自倍频的四硼酸铝钇钕(NYAB)晶体的缺陷。
Finally, the initial threshold is identified and relation matrix is constructed, and the wavelet coefficients of the high frequency subbands are encoded progressively by using relation matrix.
首先确定初始阈值，并构造小波系数的关系矩阵，然后结合关系矩阵对高频子带系数进行逐次逼近量化编码。
Objective to probe into the effects of military noise on the hearing threshold of the speech frequency and high frequency in the elders.
目的探讨军事噪声对老年人言语频率及高频听力的影响。
Objective to probe into the effects of military noise on the hearing threshold of the speech frequency and high frequency in the elders.
目的探讨军事噪声对老年人言语频率及高频听力的影响。
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