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- 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。
- 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 numeric example showed that the wavelet packet analysis can resist noise disturbs and detect the structural damage effectively. 数值算例表明，小波包分析具有较强的抗噪声干扰能力，能够有效地识别结构的损伤。
- 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 .
- The wavelet packet is adopted to make denoising pretreatment first, and then the 3D image is restored by the PML algorithm. 采用小波包分析进行去噪预处理，再用PML算法对三维图像进行复原。
- And then the relative wavelet packet energy in every subspace for every ASEMG and the wavelet entropy of every ASEMG were calculated. 之后,计算每个子空间的相对小波包能量和每个信号的小波包熵。
- The pressure signals of normal and abnormal combustion were decomposed by wavelet packet and the wavelet packet energy was extracted. 对氢发动机正常燃烧和异常燃烧压力信号进行了小波包分解,提取出小波包能量。
- This paper uses wavelet packet to decompose signals to various frequency bands( uncertainty principle satisfied), describes the wavelet packet signal extracting algorithm. 本文利用小波包将信号按任意时频分辨率(足测不准原则)解到不同频段的特点,论述了小波包特征提取的方法。
- 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。
- Secondly, the wavelet packet theory and its application are discussed.The multi-index fault diagnosis model of diesel valve is established based on Mahalanobis distance. 然后，研究了小波包理论在柴油机气门故障诊断中的应用，建立了基于马氏距离法的柴油机气门故障多指标诊断模型，在实例应用中取得了良好的效果。
- The effect of the signal processing indicated that ability of defect is enhanced,and that the method of the wavelet packet is more effective than the method of wavelet analyses in the pressure fluctuation signal processing in SCISR. 同时验证了小波包分析在撞击流反应器内压力波动信号处理中应用的有效性,而且小波包分析方法比小波方法处理信号的效果更为理想。
- 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。
- Algebraic feature extraction on the spectro-space has been proposed, which combines the wavelet analysis, wavelet packet analysis and the generalized optimal discriminant analysis. 提出了一种在频域上的代数特征抽取方法，该方法将小波分析、小波包分析和最优鉴别分析、广义最优鉴别分析相结合。
- The wavelet packet theory has the good hour-frequency characteristic,it can be availably used for the noise suppression processing of the digital signal and withdrawing the signal characteristic. 小波包分析具有优良的时频特性,可以有效地用于数字信号的消噪处理和对信号进行特征提取。
- 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 Method to Extract the Feature of the Pulse Signal Based on the Wavelet Packet 利用小波包提取脉象信号特征的方法
- Application of the Wavelet Packet Analysis Method in Vibration Signal Denoise 小波包分析在振动测试信号去噪中的应用
- THE APPLICATION OF THE WAVELET PACKET TO THE MONITORING OF THE CORE AND WINDING CONDITION OF TRANSFORMER 小波包分析在振动法监测变压器铁芯及绕组状况中的应用
- 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
