In a low light level wavefront sensor with image intensifier, the random noise of CCD output image is inhibited by delay correlation algorithm.
在带像增强器的微光波前传感器中，采用延时相关算法抑制CCD输出图像的随机噪声。
Random medium is closer to the actual medium, when the level of heterogeneous is greater than 5%, the reflection signal will be submerged in scatter noise.
随机介质与实际介质更接近，当不均匀程度大于5%或更大时，散射噪声将淹没矿体有效反射信号。
This paper introduces one item named variance rate of gray level and improves the maximum-minimum method by simplifying the noise examination process for suppressing the random impulsive noise.
引入灰度变化率的概念，并据此提出了一种去除随机脉冲噪声的改进算法，将其用于噪声点的检测，简化了最大-最小值方法中的噪声检测过程。
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