Your voice comes from filtering things through the sum of all your thoughts and experience. When you steal from other artists you do two things.
在你的观点产生之前，你会对自己的想法和经验进行总结，然后经过对你的总结进行过滤便产生了你的观点。
At first, noise is reduced by median filtering. Secondly, the DQS (Difference Quadratic Sum) algorithm is presented to restrain the background noise and enhance the targets.
该方法的特点是：首先采用中值滤波来减小噪声，并提出了差方和算法，用以抑制背景噪声并对目标增强；
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