本文就被幅值较高、频带很宽的不规则噪声信号所淹没的微弱有用信号的提取从理论上予以论证，并提出一个采用80C196KC单片机实现的方案。
The implication give evidence for picking up weak signal to be flooded by noise and set forth plan with the help of 80C196KC.
分水岭算法用于图像分割时通常由于噪声的存在和梯度的不规则造成过度分割。
Due to noise and irregularity of the gradient image, watershed algorithm used to segment images generally leads to over-segmentation, which is unacceptable.
对于因雷达系统本身原因而产生的一些非周期不规则条纹噪声进行讨论，针对此类噪声提出一种二维频域区域滤波的算法。
We discuss the nonperiodic abnormal stripe noise due to the spaceborne SAR system itself, and present an area filtering method in two-dimensional frequency domain.
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