双树，读音是shuāng shù，汉语词语，意思是娑罗双树。
今年夏天双树酒店充满了孩子们的快乐！
充分利用双树复小波变换的旋转不变性、良好的方向选择性以及有限的冗余等优点，将其有效地应用于纹理特征提取过程中。
The excellent characteristics of rotation-invariance, good orientation selection and finite redundancy are fully utilized, and applied in texture feature extraction.
结果表明，算法优于传统实小波包变换及点阈值算法，尤其对含周期噪声的语音信号，双树复小波包变换算法的优势更为明显。
The results show the proposed algorithm is better than common RWPT and node threshold method, especially for the speech contained periodic noise.
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