Though band ratio is highly evaluated as a single method in oil-gas exploration, the effect is far from satisfactory.
在基于单一方法进行油气勘探的过程中，前人对波段比值的方法给了很高的评价，但效果均不显著。
Based on local signal to noise ratio, the method estimates characteristic component of speech sound sub band covered by noise.
一种根据局部信噪比，估计受噪声掩蔽的语音子带特征分量的方法。
This paper discusses the band combination method and nonlinear band ratio image for CBERS-1 CCD image based on knowledge by selecting analysis and application.
本文论述了基于知识的CBERS - 1 CCD图像分割的波段优化组合方案。以及组合运算生成非线性波段比图像和筛选分析与应用。
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