论文部分内容阅读
影响X线电视图像最令人棘手的问题之一就是干扰。干扰不仅使X线图像质量变坏，而且直接影响到临床诊断。正确区分和寻找干扰的来源及类型，是解决图像干扰的根本方法。干扰信号对图像的影响表现为多方面，笔者根据教学与实践经验，将干扰分为外界干扰和内部干扰两大类，其故障
One of the most thorny problems affecting X-ray television images is interference. Interference not only deteriorates the X-ray image quality, but also directly affects the clinical diagnosis. Correctly distinguishing and searching for sources and types of interference is the fundamental method for solving image interference. The influence of the interference signal on the image is manifested in many ways. According to the teaching and practical experience, the author divides the interference into two major categories: external interference and internal interference.