现代电子技术
現代電子技術
현대전자기술
MODERN ELECTRONICS TECHNIQUE
2013年
9期
61-63
,共3页
随机相位误差%相控阵天线%波束指向精度%副瓣电平
隨機相位誤差%相控陣天線%波束指嚮精度%副瓣電平
수궤상위오차%상공진천선%파속지향정도%부판전평
random phase error%phased array antenna%beam pointing accuracy%sidelobe level
为了对随机相位误差对于相控阵天线波束指向精度和副瓣电平的影响进行分析,以一维均匀直线阵为模型,采用概率统计的手段对波束指向误差的数学期望、方差和峰值副瓣电平进行了推导,并对此结果进行了计算机仿真验证和比较.仿真结果表明,理论公式推导得到的结论与仿真实验的各项结果吻合良好.
為瞭對隨機相位誤差對于相控陣天線波束指嚮精度和副瓣電平的影響進行分析,以一維均勻直線陣為模型,採用概率統計的手段對波束指嚮誤差的數學期望、方差和峰值副瓣電平進行瞭推導,併對此結果進行瞭計算機倣真驗證和比較.倣真結果錶明,理論公式推導得到的結論與倣真實驗的各項結果吻閤良好.
위료대수궤상위오차대우상공진천선파속지향정도화부판전평적영향진행분석,이일유균균직선진위모형,채용개솔통계적수단대파속지향오차적수학기망、방차화봉치부판전평진행료추도,병대차결과진행료계산궤방진험증화비교.방진결과표명,이론공식추도득도적결론여방진실험적각항결과문합량호.
The effects of random signal phase errors on the beam pointing accuracy and sidelobe levels of phased array an?tenna are analyzed. Based on the model of one?dimensional uniform linear array,The theories of probability and statistics were used to deduce the mathematical expectation,variance and peak sidelobe level of beam pointing error. The deduced result was verified and compared by computer simulation. The simulation result shows that the conclusion of the theretical formula deriva?tion is in agreement with that of simulation experiment.
