2维加窗全相位滤波
2D all-phase filtering with window
GPS双差相位数据
GPS double difference phase data
GPS载波相位差分测量技术
carrier phase differential surveying technique
GPS载波相位差分定位
GPS carrier wave difference orientation
GPS载波相位组合
carrier phase combined of GPS
LBOⅠ类临界相位匹配
LBO type I critical phase matching