CAJ | 학술논문

广电微波电路在确保广播电视节目安全播出和国家信息安全中有着重要的战略地位，是抗拒自然灾害和抵御人为破坏的重要传输方式。微波首台———地球站 SDH 电路是甘肃广电建设的第一条SDH 数字微波电路，它的建成保证了地球站上星节目信号源的稳定和安全，提高了广播电视节目信号传输质量，实现广播电视高清节目信号的传输。通过 MSTP 技术的运用，将 SDH 数字微波传输平台建设成为支持多业务传送、组网灵活、带宽利用率高的 IP 化传输网络，为今后新业务的推广打下坚实的基础，为甘肃省全线路的 SDH 电路建设提供了成熟经验和可靠的依据。
엄전미파전로재학보엄파전시절목안전파출화국가신식안전중유착중요적전략지위，시항거자연재해화저어인위파배적중요전수방식。미파수태———지구참 SDH 전로시감숙엄전건설적제일조SDH 수자미파전로，타적건성보증료지구참상성절목신호원적은정화안전，제고료엄파전시절목신호전수질량，실현엄파전시고청절목신호적전수。통과 MSTP 기술적운용，장 SDH 수자미파전수평태건설성위지지다업무전송、조망령활、대관이용솔고적 IP 화전수망락，위금후신업무적추엄타하견실적기출，위감숙성전선로적 SDH 전로건설제공료성숙경험화가고적의거。
Broadcast television microwave circuit in ensuring the safety of radio and television programs broad-cast and national information security is an important strategic position resisting natural disasters and vandalism and an important way of transmission.Microwave station-earth station synchronous digital hierarchy (SDH) circuit is Gansu Radio and television building first SDH digital microwave circuit,it built ensures the earth sta-tion Star program source of stability and security,improve the quality of signal transmission of radio and TV programs,HD broadcast and TV program signal transmission.SDH digital microwave transmission platform construction to support multi service transport through the application of MSTP technology and flexible networ-king,bandwidth utilization and high IP network transmission,for the future new business promotion and lay a solid foundation,for the province total line of synchronous digital hierarchy (SDH)circuit construction pro-vides mature experience and reliable basis.