spectral feature

Through the analysis of the profile spectral moments and the surface spectral moments, a new measurement value of terrain feature& isotropy coefficient is presented, which is based on the application of fractal geometry theory.

基于分形几何理论，通过分析地形表面的轮廓谱矩和表面谱矩的特性，提出一种地形特征度量值&等方性系数；

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Surface features spectro comparator was used to probe the effect of water content of the wheat leaves on spectral absorption feature parameters of NIR.

应用地物光谱仪探讨了小麦叶片含水量对近红外（NIR）波段光谱吸收特征参量的影响。

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The feature of approach is the analysis can be automatically adjusted by the computing process to accomodate linear and nonlinear response in different spectral regions.

该方法的特点在于可由调节不同光谱范围的线性及非线性响应的计算过程来自动校正。

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A Method for Noise Speech Recognition Based on Modulation Spectral Feature

一种基于调制谱特征的带噪语音识别方法

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The variation of physiological characteristic parameters in Cd-induced stress on rice is complex and unobvious, which lead to subtle changes in spectral curve shape. Some methods were used to enhance and extract subtle spectral feature information associated with heavy metal pollution.

鉴于镉对水稻各种生理特征参数的影响具有复杂隐蔽性，导致冠层光谱特征变化微小，需要采用一些方法增强和提取隐含在光谱中的污染弱信息。

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Especially, the method of the spectral clustering based on color space quantization maybe can provide some idea for image segmentation. And the improved Gabor wavelet feature is a supplement for transform coefficients features of characters.

值得一提的是，基于颜色空间量化的谱聚类文本分割方法可以为其它图像分割问题提供思路；改进的Gabor小波特征也是对字符变换系数特征的一个补充。

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