The detection is based on the detection of the peaks of scalogram.
通过检测尺度谱的峰值实现对瞬态信号的检测。
Based on the principle of modulus maximum, a new approach using scalogram of wavelet transform for transient signal, under noise free condition or noise condition separately, is described.
利用小波变换模极大值原理，提出了用小波变换尺度谱检测瞬态信号波至点的新方法，研究了其检测无噪声和有噪声条件下的瞬态信号的能力。
Result Wavelet scalogram of blood flow ultrasonic signal had a higher distinguishability than STFT spectrogram in the low frequency portion, but had poorer decussation terms than spectrogram.
结果通过血流多普勒信号的小波尺度图研究科室，发现利用小波尺度图可以眼科提高血流多普勒信号低频段的频谱分辨率。
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