Based on the difference of maximum modulus evolution between signals and random noises in multi-scale space of WT, the signals from shaking table test are processed for random noise reduction.

• 摘要本文利用小波变换下有效信号有随机噪声在多尺度空间中模极大值不同的传播特性，对地震模拟振动台试验测试信号进行去噪处理，取得良好效果。