scalogram是什么意思
2024-02-07 14:52:16
scalogram
n. [心](心理测验)量图
例句
- The detection is based on the detection of the peaks of scalogram. 通过检测尺度谱图的峰值实现对行波暂态信号的检测。
- Analysis of Wavelet Scalogram of Blood Flow Ultrasonic Doppler Signal. 小波尺度图分析法及其在超声血流多普勒信号中的应用。
- Title： Analysis of Wavelet Scalogram of Blood Flow Ultrasonic Doppler Signal. 关键词：小波变换；付里叶变换；多普勒信号；血流；频谱分析
- Secondly, to the nonstationarity of diesel engine noise, this paper focuses on the extraction of time frequency feature using wavelet scalogram. 其次针对噪声信号的非平稳性，研究基于小波尺度谱噪声分量的时频特征分析。
- In complicated frequency components domain, wavelet scalogram and assigned wavelet scalogram were used to further analyze vibration signals. 在频率成分较复杂的地方，利用小波尺度图和再分配小波尺度图进行细化分析。
- Results show that reassigned wavelet scalogram has higher time-frequency resolution than wavelet scalogram and can well identify such close low-frequency components. 结果表明，再分配小波尺度图具有高的时频分辨率，可以清楚地识别出频率成分接近的低频分量；