相比模拟电视,数字电视以其抗干扰能力强、无噪声积累、传统效率高、支持多功能复用等优势,在全国乃至全世界范围内得到了大范围的普及,并引领电视技术向着数字化、高清晰度的方向发展。发射机作为地面数字电视系统中的重要部分,其会对数字电视的传播质量产生直接影响,因此做好发射机的维护与检修工作具有重要的现实意义。 Compared with analog TV, digital TV has gained a wide range of popularization in the country and even in the world due to its strong anti-interference ability, no noise accumulation, high traditional efficiency and multi-function multiplexing support, and leads the digitalization of television technology , High-definition direction of development. Transmitter, as an important part of terrestrial digital TV system, will have a direct impact on the quality of digital television transmission. Therefore, it is of great practical significance to do a good job of transmitter maintenance and overhaul.