1) long wave time service system
长波授时系统
1.
A cycle-addition value algorithm for the detection of the phase tracking point using digital method was proposed in order to actualize the digitization of receiver for the long wave time service system and improve the efficiency of detection.
为了实现长波授时系统接收机的数字化,提高检测效率,对接收到的100 kHz长波信号进行1 MHz指定频率的采样,充分研究天波对地波信号的影响,找出相位跟踪点与被检测信号的几何关系,提出了一种用数字方式确定相位跟踪点的周期累加值算法。
2) BPL
BPL长波授时系统
4) GPS time receiving system
GPS授时系统
1.
Application of GPS time receiving system in signaling No.7 concentrative monitor system;
GPS授时系统在七号信令集中监测系统中的应用
5) Clock timing system
时钟授时系统
6) ITL
实时授课系统
1.
The paper is dealing with the algorithm of low-bite rates aiming at ITLs high demand for audios QoS and large scaled realtime interactivity,as well as the problems existing in the present system.
针对视音频处理的实时授课系统在语音方面对QoS服务质量和大规模网上群体实时交互的高需求及现有系统存在的问题，设计了低比特率音频处理算法。
补充资料：电离层长波和超长波传播
见电离层无线电波传播。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条