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- A new algorithm of zerotree and fractal image is presented by selecting the best wavelet packet basis and different encoding methods were used, i. e. wavelet zerotree and fractal image. 在分析小波包变换、零树编码和分形编码的特点的基础上,通过选择最佳小波包基,对不同子带分别采取零树编码和分形预测编码等措施,提出了一种基于小波包变换的零树分形图像编码算法。
- Transient power quality classification based on best wavelet packet basis decomposition 基于最优小波包基分解的暂态电能质量分类方法
- DENOISING AND DETECTION OF FAULTED MOTOR SIGNAL BASED ON BEST WAVELET PACKET BASIS 基于最优小波包基的电动机故障信号的消噪与检测
- Best wavelet packet basis 最佳小波基
- A method is proposed for segmenting MR brain images using the best wavelet packet transform,and the eigenvectors are come into using the energy of wavelet packets’ coefficients. 摘要 提出应用最优小波包变换对磁共振颅脑图像做分解,以各子带小波包系数的能量形成纹理特征集;
- the best wavelet packet transform 最优小波包变换
- 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。
- Simulation results show that the proposed system outperforms the conventional MC-CDMA and real wavelet packet based MC-CDMA, with superior capability against the fading. 仿真结果表明该系统要优于通常的MC-CDMA系统和基于实小波包变换的MC-CDMA系统,具有良好的抗衰落能力。
- Secondly, three single deck blast vibration signals were analyzed by wavelet packet based on software MATLAB and the change of energy distribution curve at different frequency bands was obtained. 其次,基于MATLAB时爆破振动信号进行小波包分析,得到了爆破振动信号在不同频带上的能量分布图。
- best wavelet packet group 最优小波包基
- Best Wavelet Packet Groups 最优小波包基
- COMPLEX WAVELET PACKET BASIS FUNCTION MODULATION BASED FREQUENCY-HOPPING MULTIPLE ACCESS COMMUNICATION SYSTEM 基于复小波包基函数调制的跳频多址通信系统
- wavelet packet basis 小波包基
- Optimal wavelet packet base 最优小波包基
- Upon this basis a concept of DWPT-based wavelet packet multicarrier transmission system is established,and the optimal wavelet packet multicarrier modem technique is proposed. 在此基础上建立起基于DWPT的小波包多载波传输系统的概念,提出了最佳小波包多载波调制解调技术。
- In the study of brain-computer interfaces,a method based on best basis of wavelet packet decomposition was proposed.The method is used for the feature extraction of electroencephalogram. 在脑机接口研究中;针对脑电特征抽取;提出一种基于小波包最优基分解的方法.;依据距离准则;从小波包库中选择一个对分类最优的小波包基;
- Keywords MultiCarrier Modulation (MCM);OFDM;Wavelet Packet Based Multicarrier System;Scalable Image Code;Adaptive Allocation;Joint Source Channel Coding;Space Time Coding;MIMO; 多载波调制(MCM);OFDM;小波包多载波系统;图像分级编码;自适应分配;联合信源信道编码;空时编码;MIMO;
- Based on the wavelet decomposition of PD signal and white noise, a new method of transformer PD de-noising using the best wavelet for every layer is proposed. 在对局部放电信号和白噪的小波分解特性进行分析的基础上,以减小去噪对局部放电脉冲幅度误差和波形畸变为目标,提出了逐层最优小波算法。
- On the basis of wavelet packet decomposition technique introduced firstly, the measured unstable oil-film oscillations of single-disc and single-span rotor system were investigated. 在介绍小波包分解原理的基础上,对试验测得的单盘单跨转子系统的油膜振荡非平稳信号用小波包分解方法进行了研究。
- 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。