CAJ | 학술논문

针对降低天线阵的副瓣电平和优化天线阵的方向性这一问题，在线性约束最小方差（LCMV）算法的基础上，引入了基于多级维纳对消的方向图综合算法。该算法充分考虑综合方向图和参考方向图之间的相对幅度对方向图综合的影响，通过多级维纳对消器输出的最优权值自适应地改变相对幅度，提高了干扰功率的迭代效率，降低了迭代的次数，同时又降低了综合方向图和参考方向图之间的综合误差。由于多级维纳对消器的引入，该算法具有较强的鲁棒性，拓展了方向图综合方法的应用范围和适用性。
침대강저천선진적부판전평화우화천선진적방향성저일문제，재선성약속최소방차（LCMV）산법적기출상，인입료기우다급유납대소적방향도종합산법。해산법충분고필종합방향도화삼고방향도지간적상대폭도대방향도종합적영향，통과다급유납대소기수출적최우권치자괄응지개변상대폭도，제고료간우공솔적질대효솔，강저료질대적차수，동시우강저료종합방향도화삼고방향도지간적종합오차。유우다급유납대소기적인입，해산법구유교강적로봉성，탁전료방향도종합방법적응용범위화괄용성。
To reduce the power level of side-lobe and optimize the direction of the antenna array,this paper advances a new polar diagram synthesis algorithm of multistage Winner canceller(MWC) based on linear constraint minimum variance(LCMV) algorithm. The new algorithm takes into account the effect of the relative amplitude between the synthesis pattern and its reference upon the pattern synthesis adequately and adjusts the iterative gain via the weight value optimized by the MWC. The algorithm not only improves the iteration efficiency of the jammer power, namely the iteration number is reduced, but also reduces the error between the synthesis pattern and its reference. Because of introducing the MWC,the algorithm has strong robustness so that the application area and applicability of the pattern synthesis method are expanded.