direct broadcasting satellite是什么意思_direct broadcasting satellite中文

direct broadcasting satellite中文什么意思

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Direct broadcast satellite dbs
直播卫星服务
Dbs direct broadcast satellite
直接卫星广播
Direct broadcast satellite ( dbs ) / dth - service that transmits satellite signals directly to a home , typically through a viewer ' s receiving dish . also called dth for direct - to - home
直播卫星-通过接收者的圆盘天线，直接从卫星把信号传送到户的卫星服务，也称为直接入户电视。
For the application of direct broadcast satellite ( dbs ) , a ku - band high image rejection broadband mixer is designed using ads . it appears predominant performances when compared with common single balanced mixer
针对卫星电视直播接收系统，用ads设计了一个宽频带、高镜像抑制度、低噪声的ku波段镜像抑制混频器，并同普通平衡混频器进行了对比分析，显示了其优越的性能。
Indispensable for high quality optical carrier signal reception in a large dynamic range , agc analog optical receivers are widely used in the optical transmission of radio and microwave signals , such as fiber catv , direct broadcast satellite tv , wireless communication and radar
摘要自动增益控制模拟光接收机广泛应用于光纤有线电视、光纤直播卫星电视、无线通讯及雷达等射频微波信号光传输，是实现大动态范围光载波信号高质量接收必不可少的一项技术。