以下为句子列表：
英文: According to the characteristics of the work condition is wretched and the signals are affected seriously by kinds of random noise etc., the data smoothing method is used in the pressure and flow signal processing, it reduces the effect of the random nois
中文: 根据液压系统工作环境恶劣，各种随机干扰对检测信号影响大等特点，将数据平滑方法用于压力、流量信号检测数据处理中，有效地减小了各种随机噪声的影响，具有很好的效果。
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英文: 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.
中文: 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。
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英文: Signal to Noise Ratio (SNR): The ratio of the signal to the random noise in a set of data.
中文: 信噪比：平均到一个数据单元的信号与随机噪声的比值。
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英文: The results indicates that the cubic logarithm polynomials can accurately reconstruct the raw thermal images in the experiment, and can effectively suppress the interference to defect recognition caused by random noise and uneven heating in the PT testing
中文: 结果表明利用三次对数多项式回归即可精确地重建本次实验的原始热像，同时能有效地克服复合材料层压板脉冲热像检测中随机噪声和加热不均效应对缺陷识别的干扰；经过数据重建后所作的数字图像比原始热像有更高的缺陷显示度或分辨力，其中以三次对数多项式回归公式中的二次项系数所作的数字图像的信噪比最大。
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英文: This method was divided into 4 steps: wiping out random noise by mean filter, reducing Gaussian noise by Gaussian filter, balancing brightness difference between stereo image pair through histogram equalization, and enhancing image edges and details by La
中文: 此方法分为4个阶段：①用均值滤波去除随机噪声；②用高斯滤波去除高斯噪声；③用直方图均衡化法平衡立体图对间的亮度差异；④用拉普拉斯锐化增强图像的边缘和细节。
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