By means of the principle of correlation analysis, this paper introduces an approximate method for estimating signal-to-noise ratio on random noise background.
本文利用相关分析的原理，提出一种在随机噪音的背景上估算信噪比的近似方法。
Random noise are minished by using method of difference and flatness .
利用差分法、平滑法减小测量结果中的随机噪声；
According to the excellent generalization performance and global optimal property for peak of SVM, the method can suppress the random additive noise more effectively in contrast with traditional ones.
由于利用了SVM泛化能力强、全局最优等特点，因此该方法与传统方法相比，能更有效地抑制随机加性噪声。
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