多路径误差(Multipth error),由发射器到接收仪,经由不同长度两路径的无线电波间互相干扰形成定位误差。 多路径误差的影响与反射源的反射系数、观测站天线和反射源的距离、观测站天线周围环境、空间GPS卫星以及反射源三者的相对位置密切相关。
分析了偏轴跟踪抑制多路径误差时雷达低空检测性能。
The performance of low altitude target detection using bias axis tracking method is studied.
针对多路径误差的消除问题,论文对利用信噪比消除多路径误差的方法进行了理论研究和技术实现。
In this paper, the method to erase the multipath effect by using SNR is theoretical researched and practical realized.
多路径误差在绝大部分应用中,其测站间相关性很弱,不能通过差分观测得到有效削弱,成为高精度GPS动态变形监测中的主要误差源。
Multipath error is a main influence on high-precision GPS dynamic deformation monitoring results as it is difficult to be mitigated by difference observation in most of applications.
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