The experiment based on the new measure shows that the new method can suppress heavy-tailed noise effectively,and it is more robust than classic wavelet threshold.

• 基卜提出的准则,通过实验比较了小波阈值方法与中值滤波一小波消噪方法的消噪效果,结果表明所提出的方法能更好的消除拖尾噪声,具有较好的鲁棒性。