1·Signal modulation is the last physical part of DTV Front-End, which directly determines the quality of network transmission.
信号调制是数字电视前端最后的一个物理环节，直接决定信号在网络中传输的质量。
2·Experimental results show that the design completely meets the requirements of practical application in the field of DTV and has good performance and prospect.
实验结果表明此设计完全能达到数字电视领域的应用要求，且具有良好的性能和应用前景。
3·An optimized design scheme of the DTV STB was proposed based on the analysis of the composition principle of it.
分析其组成原理的基础上，提出了数字电视机顶盒的一种优化设计方案。
4·Therefore, researching the passive radar systems based on DTV signals has great theoretical and practical significance.
因此，开展对基于数字电视信号的无源定位技术的研究具有重要的理论与现实意义。
5·The single chip design has sharply decreased the cost of DTV semiconductor and design difficulty.
单片设计大幅度降低数字电视的半导体成本和设计难度。