1) wavelet packets three-dimension time-frequency energy drawing
小波包三维时频能量图
1.
Time-domain characteristic parameter,frequency-domain characteristic parameter and wavelet packets characteristic parameter were extracted,and wavelet packets three-dimension time-frequency energy drawing was plotted.
利用发动机机身振动信号对活塞环失效进行监测,提取了时域特征量、频域特征量和小波包特征量,并绘制了小波包三维时频能量图。
2) wavelet packet time-frequency component spectrum
小波包时频分量谱
1.
Four concepts related to the WPTFA method were defined,which were wavelet packet time-frequency component spectrum,amplitude spectrum of wavelet packet time-frequency component,wavelet packet time-fequency spectrum,amplitude spectrum of wavelet packet time-frequency.
建立了相应的小波包时频分量谱、小波包时频分量幅度谱、小波包时频谱、小波包时频幅度谱等概念。
3) wavelet packet energy-band
小波包分频带能量
4) Multiwavelet packet frequency band local-energy
多小波包频带局部能量
6) wavelet packet energy
小波包能量
1.
A novel speech enhancement method based on wavelet packet energy in strong noise background
强噪声条件下基于小波包能量的语音增强新算法
2.
Gear fault classification based on Gaussian mixture model and wavelet packet energy
高斯混合模型与小波包能量相结合的齿轮故障分类
3.
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。
补充资料：波的能量
见波。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条