Bilinear time-frequency transform possesses a high resolution both in the time domain and the frequency domain. It can be utilized to detect weak transient signal in complex background.
双线性时间-频率变换在时间域与频率域都具有较高的分辨率，有利于复杂背景条件下微弱瞬时信号的探测。
The wavelet transform does multi-resolution analysis on the signal which clarifies the electrocardiogram (ECG) signal characteristics to more easily detect the QRS complex.
小波分解对信号做多分辨率分解，可以突出信号的特征信息，便于QRS波群检测。
It has dynamically focusing, imaging detecting, detecting objects in complex shapes, improving the detection sensitivity, resolution, signal to noise ratio and many other advantages.
它具有能进行动态聚焦、可进行成像检测、可检测复杂形状物体、能提高检测灵敏度、分辨力和信噪比等多项优点。
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