wpd

Secondly , the classification abilities of the features ( WP coefficients ) in the optimal WPD are also evaluated and ranked by the fuzzy criterion .

其次，亦利用模糊准则对最优小波包分解中特征（小波系数）的分类能力进行评价并排序；

Texture analysis based on WPD and HMM

基于小波包分解和HMM模型的纹理分析

The purpose of this paper is to study the applicability of thermal processed fuel oil ( hereafter called waste plastic disposal or WPD ) to diesel engines using low quality fuel oil .

通过一系列实验对废塑料油在柴油机上的燃烧特性及适用性作了实验研究，并着重研究了废塑料油对排气产物的影响。

This algorithm utilizes wavelet packet decomposition ( WPD ) and common spatial subspace decomposition ( CSSD ) respectively to extract corresponding feature , then combining those features to classify .

本算法运用小波包分解方法和共空域子空间分解方法分别提取相应的特征，再将它们组合进行分类识别。

Conclusion : WPD capsule can rectify the decrease trend of PMS liver-qi invasion rat nerve serotonin 1A receptor level . Maybe it is just the central mechanism of the new drug curing this syndrome .

结论：WPD胶囊能通过增强大鼠大脑皮层神经元活力及5-HT1A受体表达以纠正PMS肝气逆证大鼠5-HT1A受体降低趋势，可能是该药治疗PMS肝气逆证的中枢作用机制之一。

Computer simulation results indicate that the unvoiced sounds of the enhancement speech with the proposed method are more obtained , whose quality and intelligibility both outperform those of the enhancement speech with DWT and the enhancement speech with WPD .

计算机仿真结果表明，经本文方法增强语音的清音成分得到了较好保留，并且增强语音的主客观质量均优于DWT去噪法和WPD去噪法。