在社会科技、经济高速发展影响下,人们对电视画面质量、功能等方面也提出了新的要求。相比于传统电视网络,有线电视数字化可以有效弥补画面不够立体、不能回放等不足,也能够不断增强画面清晰度。但是由于技术水平的制约,网络维护受到了重重阻碍,严重影响着其系统的安全稳定运行,需给予进一步研究。 Under the influence of social science and technology and rapid economic development, people have also set new demands on the quality and function of television pictures. Compared to the traditional television network, digital cable TV can effectively make up the picture is not enough stereo, can not playback and other deficiencies, but also can continue to enhance the picture clarity. However, due to technical constraints, network maintenance has been severely hampered seriously affecting the safe and stable operation of its system, which needs further study.