We measure electromagnetic Leak amount of TV satellite ground station, define its effect degree to ambience, so to provide reference idea for environmental protection management.
通过对电视台卫星地面站电磁泄漏的测量，明确其对周围环境可能造成影响的程度，为环境保护管理提供参考性意见。
By means of GPS dummy network reference station positioning system, the ground control points for the calibration of remote sensing image were surveyed with the precision of centimeter level.
利用GPS虚拟网络参考站定位系统，以厘米级精度测定校正遥感图像的地面控制点。
By means of GPS dummy network reference station positioning system, the ground control points for the calibration of remote sensing image were surveyed with the precision of centimeter level.
利用GPS虚拟网络参考站定位系统，以厘米级精度测定校正遥感图像的地面控制点。
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