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阵列射频仿真系统精度改进方法研究 被引量:5

Investigation on Method of Improving Precision for RF Simulation System
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摘要 首次提出了采用辐射目标喇叭天线的等效相位中心坐标代替其机械位置坐标进行合成目标解算的系统精度修正方法。首先简述了射频仿真系统模拟目标的原理,分析了由球面天线阵所构成的射频仿真系统的误差源,然后从系统各方面综合作用下所呈现的总误差出发,结合实际使用和测试的经验,提出一种基于误差补偿的系统精度修正方法,最后对该方法进行了实验验证。结果表明:用天线的电位置进行目标合成,可以抵消掉大部分的系统误差,使得仿真精度得到了极大地提高。 First an amendment method of system accuracy was put forward by calculating target with equivalent phase centre of antenna instead ofmechanicalposition of antenna. At the very beginning, the principle of how RF simulation system works as a moving target was briefly described. Then the error of RF simulation system consisted with spherical antenna array was analyzed. Then in considering the total error coming from various errors integrated into the whole system, and according to actual experience in test and calibration, a system accuracy amendment method was proposed and verified by experiment at last. Results show that most of the system errors can be counteracted one another by combining electrical position of antennas to simulate the target, so the simulation accuracy has been improved.
出处 《系统仿真学报》 CAS CSCD 北大核心 2009年第22期7045-7047,共3页 Journal of System Simulation
基金 国防重点实验室基金(N3CZ0601)
关键词 球面天线阵 射频仿真系统 精度 误差补偿 spherical antenna array RF simulation system accuracy error compensation
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