广播科学研究院提出的地面数字电视传输系统方案,基于频带分割、混合调制和多模式传输的方法,具有良好的与有线、卫星数字电视系统兼容的能力,能够提供灵活的业务应用、良好的传输性能和低廉的生产、运营成本,有利于向 The terrestrial digital television transmission system proposed by the Academy of Broadcasting is based on the methods of band division, hybrid modulation and multi-mode transmission, and has the ability of being compatible with the cable and satellite digital television systems and capable of providing flexible service applications and good transmission Performance and low cost of production, operation, benefit to