【摘 要】
：
本文开展了BDS-2/3单频和双频伪距定位实验,比较在PDOP小于6的条件下不同模式的定位精度,得到以下结论:BDS-3卫星单频(B3I)伪距定位时,在E-N-U方向达到3.5m,4m,6m,三维方向精
【机 构】
：
长安大学地质工程与测绘学院,陕西西安,中国,710054
论文部分内容阅读
本文开展了BDS-2/3单频和双频伪距定位实验,比较在PDOP小于6的条件下不同模式的定位精度,得到以下结论:BDS-3卫星单频(B3I)伪距定位时,在E-N-U方向达到3.5m,4m,6m,三维方向精度达到7m.BDS-3双频伪距单点定位在多数测站水平位置精度优于5m,垂直方向精度优于8m.BDS-2/BDS-3组合单频(B3I)伪距定位精度优于B1I,BDS-2/BDS-3组合单频(B3I)伪距定位在E-N-U方向精度分别优于2.5m,2.5m,5m,三维方向精度达到5.5m.BDS-2/BDS-3组合系统的双频(B1I+B3I)伪距定位水平位置精度优于3.5m,垂直方向精度优于6.5m.
其他文献
The classic Klobuchar model is widely used in navigation and positioning. However, the ionospheric delay correction accuracy is difficult to meet the high-p
近年来,使用全球导航卫星系统(GNSS)对安全关键应用(例如民用航空,飞机着陆)的需求已经获得了广泛和增加的兴趣.随着新的全球导航卫星系统的出现,如欧盟的伽利略系统,美国的
The Low earth orbiter(LEO) based navigation signal transmitters has advantages in fast-changing geometry and low free space loss, which can be served as a c
Satellite navigation industry has become a global new and high technology industry, which has achieved the cross-border integration in many livelihood field
锶光钟作为目前世界上性能指标最高的原子钟之一,测量不准确度已达到5×10-19.光学原子钟结合空间站这种不可替代的实验平台可以将光学原子钟性能得到最大程度上的发挥,对基
BeiDou satellite navigation system (BDS), which is expected to offer PNT service around the world in 2020, is currently in the stage of continuous launching
Developing autonomous navigation algorithms without using extern positioning signals is the key to allow Multi-rotor UAVs to fly in complex environments whe
Spoofing attack is one of the main security threats faced by Global Satellite Navigation System (GNSS). If the spoofing signal is regarded as the fault sate
高功率欺骗干扰是欺骗攻击的主要样式之一.这类欺骗虽然容易被检测,但由于其功率过高,会严重影响用户对正常信号的接收处理,因此必须予以消除.虽然阵列抗干扰技术是解决该问
自适应阵列天线在为GNSS接收机提供有效的抗干扰手段的同时,也会对接收机输出的码相位和载波相位观测量引入偏差,从而限制了其在高精度接收机中的应用.为了解决此问题,本文针