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- 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 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。
- An algorithm based on discrete wavelet transform(DWT) and wavelet packet decomposition(WPD) for speech enhancement was presented. 提出了一种基于离散小波变换(DWT)和小波包分解(WPD)的语音增强算法。
- Colligating AR parameter model coefficient and Wavelet packet decomposition energy feature,we get feature vector of battlefield sound-target. 综合AR参数模型系数和小波包分解能量特征,获得战场声目标特征矢量。
- 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)。
- Wavelet packet decomposition (WPD) was applied to feature extraction of ultrasonic signals, chaos-genetic optimization to eliminate redundant and irrelevant features and support vector machine to perform the identification task. 该系统采用小波包分解提取超声信号的特征,采用混沌遗传算法来消除冗余和不相关的特征,并采用支持向量机(SVM)来对缺陷进行识别。 为了验证系统的有效性,在实验室内作了大量的超声检测实验。
- A new algorithm on extraction of anatomical contour in medical image is presented, by combining anisotropic diffusion and wavelet packet decomposition for edge detection of the image. 摘要提出一种医学图像解剖结构特征提取算法,结合异质扩散和小波包分解实现了医学图像分割。
- 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;
- 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。
- Combined with the traits of wavelet packets decompositions, an algorithm for iris recognition was presented in this paper. 文中结合小波包分解的特点,提出了一种基于小波包分解的虹膜识别算法。
- Bark-scaled wavelet packet decomposition Bark尺度小波包分解
- wavelet packet decomposition ( WPD ) 小波包分解
- wavelet packet decomposition (WPD) 小波包分解
- optimum wavelet packet decomposition 最佳小波包分解
- The method of wavelet packets decompositions originating from wavelet transform is more accurate in signal analysis, with the predominance of analyzing details information of high frequency. 摘要小波包分解是从小波变换延伸而来的一种更精细的信号分析算法,具有分析高频特征信息的优势。
- Application of Wavelet Packet Decomposition in Motor Fault Diagnosis 小波包分解在电机故障诊断中的应用
- Eliminating the Noise of Atomic Clock Signal by Using Wavelet Packets Decomposition Algorithm 利用小波包分解算法进行原子钟信号的消噪处理
- Energy Spectrum Analysis of Electrochemical Noise Signals Based on Wavelet Packets Decomposition 基于小波包分解的电化学噪音能量谱分析
- Application of Stationary Wavelet Packets Decomposition Based Hilbert Spectrum to Nonstationary Hydraulic Turbine Vibration Signal Analysis 基于平稳小波包分解的水轮机非平稳振动信号希尔伯特谱分析
- A Comparison between Wavelet Packets Decomposition Algorithm and Kalman Filter on Reducing the Noise of Atomic Clock Signal 小波包分解算法及Kalman滤波进行原子钟信号消噪的比较
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