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- Based on the character of short-time non-stationary random signal, the feature of energy distribution of multi-interval-time in millisecond blast signals was investigated by means of the wavelet packet method. 摘要根据爆破振动信号具有短时非平稳的特点，利用小波包分析技术对满足分析要求的多段微差爆破振动信号的能量分布特征进行研究。
- In this article, we study first the main characters of cab FSK signal, then the wavelet packets method is applied to the FSK signal filtering. 本文首先研究了车载FSK信号的特征，再利用小波包对车载FSK信号进行滤波处理。
- A Dual Decomposition Algorithm for Turbulent Wake Flows After Blunt Bodies Using the Wavelet Packet Method 钝体尾流的双重小波包分解
- Wavelet packet method 小波包法
- 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
- 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。
- WPT-BAYES(combination of wavelet packet transform and Bayes) method can improve its recognition accuracy to 98%. 采用WPT-BAYES(小波包变换-贝叶斯)方法,可以大幅度提高识别精度,其正确识别率高达98%25以上,满足使用要求。
- After introducing wavelet packet, a new method for data compression, based on embedded zerotree wavelet, is presented and applied to power system fault data compression. 在描述小波包变换的基础上，提出了一种由嵌入式零树编码算法改变而成的应用于电力系统一维故障数据压缩的压缩方法。
- The identification method of the echolocation calls from four species of Rhinolophus in flight was studied based on the wavelet packet decomposition. 研究了飞行状态下的四种菊头蝠回声定位声波的识别方法。
- A method to simulate fatigue stress history based on the wavelet packet transform, a special branch of the theory of wavelet analysis was presented. 采用小波分析理论中的小波包变换 ;提出了一种基于小波分析的模拟疲劳应力的方法 .
- Wavelet packet analysis and Welch method has been advanced todelicately analysis the time-frequency characteristics of arc sound. 通过小波包多层分解与Welch平均法对电弧声信号进行了精细化的时频域分析。 结果表明：电弧声功率谱分布具有一定的规律性，并且不同频段谱峰值及其对应频率与焊接飞溅相关。
- This paper introduces a method for feature extraction of surface EMG signal with fuzzy wavelet packet and classification with C4.5 decision tree. 提出了用模糊小波包提取表面肌电信号特征;并且用C4.;5决策树分类器对信号进行分类的方法。
- Wavelet packet is used for noise speech decomposition,which is better than the traditional orthogonal wavelet threshold de-noising method. 采用小波包对含噪语音进行分解,克服了传统的正交小波变换的缺陷。
- A surface electromyography (SEMG) signal classification method based on wavelet packet transformation (WPT) is presented in this paper. 针对表面肌电(SEMG)的非平稳特性,提出采用小波包变换方法对其进行分类。
- Based on Wavelet Packet Decomposition (WPD) , Entropy Threshold Method (ETM) has been put forward to reject the Discrete Spectrum Interference (DSI) in on-line PD monitoring. 首次提出用于抑制局部放电在线监测中周期性窄带干扰的小波包变换熵阈值法（ETM）。
- An image denosing method which combine wavelet packet transform with median filter used in the system of the online measuring of pellets diameters was presented. 提出了一种将小波包变换和中值滤波相结合的球团矿图像去噪方法。
- In this paper, a method of feature extraction of ultrasonic flaw echo signals is introduced, which is based on the theory of multilevel wavelet packet transform. 文章介绍了一种基于小波包变换的多尺度空间能量特征提取方法，并对实测的超声缺陷回波信号进行了特征提取；
- A feature extraction method of high-range-resolution radar profiles, which takes advantage of wavelet packet transform and modified SVD(singular value decomposition) was proposed. 提出了基于小波包变换和改进奇异值分解的高分辨雷达目标一维距离像特征提取方法。
- In this method, vibration signals are decomposed by wavelet packet, and the wavelet packet coefficient is dc-noised by singular value decomposition again. 该方法将输入信号进行一次小波包分解，利用奇异值分解方法对分解后的幅值量化系数进行降噪。
- A wavelet packet transform latent variable regression (WPLVR) method was developed to perform simultaneous quantitative analysis of biphynel, phenol, o-dihydroxybenzene. 采用小波包变换潜变量回归(WPLVR)方法,同时测定联苯、苯酚和邻苯二酚。
