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- Improved Wavelet Packet Analysis (IWPA) 改进小波包
- Improved wavelet packet analysis 改进小波包分析
- Improved wavelet packet algorithm with application on the feature extraction of fault signal 改进的小波包算法及在故障信号特征提取中的应用
- Improved wavelet packet decomposition algorithm with application on weak fault detection 改进小波包分频算法及在故障检测中的应用
- Application of Denoising of VDR Radar Image Based on Improved Wavelet Packet Analysis 改进小波包分析在雷达图像消噪中的应用
- improved wavelet packet 改进型小波包
- The quality of the noise removal was improved by combining wavelet packet transform with latent variable regression (LVR). 该法结合小波包变换和潜变量回归改进除噪质量。
- The quality of the noise removal was improved by combining wavelet packet transform with latent variable regression (VLR). 该法结合小波包变换和潜变量回归改进除噪质量。通过最佳化,选择了小波函数及小波包分解水平(L)。
- Firstly, the characters of wavelet transform and wavelet packet analysis were introduced. 首先，简略地介绍了小波变换与小波包分析的特点。
- We choose wavelet and wavelet packet because wavelet transform (WT) itself has the character of multiresolution. 之所以选择小波和小波包变换是因为小波变换本身就是多分辨率的，这使得它比那些固定分辨率的变换，比如STFT(短时傅立叶变换)更加适合人类的生理声学模型。
- The wavelet packet transform can be used to compress seismic data in large batch processing. 在大批量地震数据处理中可以使用小波包变换压缩地震数据。
- Finally,the possibility of wavelet packet modulation application in Digital AM transmission system is discussed. 通过与基于离散傅里叶变换的正交频分复用调制系统进行比较 ,探讨了小波包调制应用于数字调幅传输系统的可能性
- Abstract: We developed a real-time wideband speech codec adopting a wavelet packet based methodology. 摘要：本文论述采用小波包法进行实时宽带语音编码。
- Finally,the deformed PET and CT images were fused with improved wavelet fusion method.The mutual information was larger than the original by 0.7593%,and the entropy of the fus... 经实际计算得出的变形PET图像与对应CT图像的互信息量大于原始PET图像,并且最后用改进的小波图像融合法得出的融合图像的信息量比一般小波融合大,由此证明本研究所用方法是有效的。
- In this paper,mean threshold is presented on which wavelet packet de noising is studied. 文中提出了平均阈值的概念 ;并在此基础上研究了小波包去噪的效果 .
- It has been proved that the wavelet packet de noising is an effective method prior to wavelet de noising. 仿真结果表明 ,基于平均阈值的小波包去噪是一种有效的去噪方法 ,其效果优于小波去噪
- Firstly, the optimal WPD (wavelet packet decomposition) with the fuzzy criterion is obtained. 首先，利用模糊准则得到最优小波包分解；
- The paper has researched the remote sensing image wavelet packet fusion based on the ARSIS concept. 摘要研究了基于ARSIS概念的遥感影像的小波包融合方法。
- The theory of wavelet packet transform and the method of voltage signal analysis with wavelet packet was presented. 简述了小波包变换的基本原理及利用小波包对电压信号进行分解的方法。
- Flexibility and the precise ability of local analysis in wavelet packet analysis during signal denoising are analyzed. 分析了小波包分析在信号去噪中所具有灵活精确的局部解析能力；
