根据分析结果和系统设计中的误差分配可以提出对天线指向误差的限制。
The constraint condition of the antenna pointing error is provided according to error distributed in system design.
但由于各种干扰力矩的作用，天线指向会产生误差。
Antenna direction will bring error due to action of interfere moment.
由于馈电误差的影响，相控阵天线的指向精度降低，旁瓣电平恶化，抗干扰能力下降。
Due to the effect of feeding error on antenna's radiation performances, which causes the degradation of the sidelobe level, the pointing accuracy and the anti-jamming capability of phased arrays.
对指向跟踪误差进行了分析，并采用软件和硬件两个方面进行了误差消除设计，提高了天线的跟踪速度和指向精度。
Based on analyzing the system pointing and track error, software and hardware correction measures are designed, which improve the antenna track velocity and pointing accuracy.
对指向跟踪误差进行了分析，并采用软件和硬件两个方面进行了误差消除设计，提高了天线的跟踪速度和指向精度。
Based on analyzing the system pointing and track error, software and hardware correction measures are designed, which improve the antenna track velocity and pointing accuracy.
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