The effect of amplitude and phaseerror on the performance of receiver is discussed in this paper, and a method of digital correction based on FIR filter is proposed.
本文仔细分析了幅相误差对接收机性能的影响，提出了基于FIR滤波的一种数字域校正的方法。
2
The outputs of simulation show that the real time errorcorrection due to GPS antenna phase center movement is needed in order to acquire precision GPS observables.
计算机模拟表明，要获得准确GPS观测量来进行导航定位，必须进行天线相位中心引起误差的校正。
3
RD algorithm based on minimum entropy criteria carries out the correctionphase errors caused by high squint Angle via searching error coefficients for improving the imaging focus effect.