According to the Earth synchronous satellite positioning principle, multi-results and non-results are analyzed when the station height is given using DEM.
基于地球同步卫星定位原理，分析了当利用数字化地形图提供测站高程时测站的多解和无解现象。
The clock signal provided by Global Positioning System(GPS)is widely used in electric power system for relay protection, SOE (Sequence of Events), fault locating, synchronous sampling and so on.
GPS同步时钟信号已在电力系统的继电保护、事件顺序记录、故障测距、同步采样等诸多领域获得重要运用。
Mean the use of quantitative methods, will watermark embedded in the audio carrier, 11 Barker Code as a synchronous signal, which was used to positioning embedding position.
水印信息嵌入采用均值量化方法，将水印信息嵌入到载体音频中； 以11位巴克码作为同步标识，定位水印嵌入位置；
The clock signal provided by Global Positioning system GPS is widely used as a synchronous clock in broadcasting television system and electric power system and the display of time in public.
GPS卫星同步时钟广泛用作广播电视、电力等系统的同步时钟及车站、机场等公共场所的时间显示。
The clock signal provided by Global Positioning system GPS is widely used as a synchronous clock in broadcasting television system and electric power system and the display of time in public.
GPS卫星同步时钟广泛用作广播电视、电力等系统的同步时钟及车站、机场等公共场所的时间显示。
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