ID 原文 译文
38486 但由于端射阵天线方向图的特殊性,其主瓣宽度比相同天线尺寸的侧射阵宽得多,这势必会导致传统自适应单脉冲测角方法性能下降。 But due to the particularity of the shot array antenna pattern, its main lobe width than lateral shoot wide array of the same size of antenna, this will inevitably lead to the traditional adaptive monopulse Angle measuring method performance degradation.
38487 本文提出了一种基于三维空时联合约束的自适应单脉冲测角方法,将传统自适应单脉冲测角问题扩展到俯仰-方位-多普勒三维空间,利用三维杂波特性克服波束过宽所带来的问题,并可同时测出目标的方位角和俯仰角,表现出较为优越的角度估计性能。 This paper puts forward a kind of based on three dimensional space-time joint constraint adaptive monopulse Angle measuring method, the traditional adaptive monopulse Angle problem extended to pitch - bearing - doppler three-dimensional space, using three dimensional clutter to overcome the problems brought by the beam is too wide, and can measure azimuth Angle and elevation Angle of the target at the same time, show a relatively superior Angle estimation performance.
38488 计算机仿真结果验证了该方法的有效性。 The computer simulation results demonstrate the effectiveness of the proposed method.
38489 针对传统目标运动要素自主隐蔽解析中存在的噪声适应性差等问题,提出要素自主解析的微分进化策略。 In view of the traditional factors of target motion independent hidden parsing, noise poor adaptability problems in elements independent analytical differential evolution strategy is put forward.
38490 首先,简要论述了目标运动要素的自主隐蔽解析过程; First of all, briefly discusses the factors of target motion independent hidden parsing process;
38491 其次,推导要素自主解析的协方差传播过程,给出目标运动要素方差与目标观测方位方差的对应关系,分析方位观测均方差对要素自主解析结果的影响; Second, deriving elements independent covariance propagation of parsing, target motion essential factor variance is given, the corresponding relationship between target observation position variance of mean square error analysis azimuth observation of elements independent analytical results;
38492 再次,提出了微分进化算法对自主解析模型的优化策略; Again, differential evolutionary algorithm is proposed for the optimization tactics of the independent analytical model;
38493 最后,对优化策略进行仿真验证。 Finally, the simulation was carried out on the optimization strategy.
38494 结果表明,当方位存在0.1°的均方误差时,初距D0均方误差约为12Cab,速度分量Vmx、Vmy均方误差分别约为5Kn、6Kn,通过微分进化策略优化后明显提高了要素自主解析结果的精度。 Results show that when the azimuth is 0.1 ° of the mean square error, the early spacing D0 mean square error (mse) is about 12 cab, velocity component Vmx, Vmy mean square error is about 5 kn, 6 kn respectively, after optimized by differential evolution strategy elements independent the precision of the analytical results are increased obviously.
38495 针对毫米波引信射频前端在复杂电磁环境下易受干扰的问题,使用场路联合的方法对其前门耦合效应进行研究。 For millimeter wave fuze rf front end in a complex electromagnetic environment are susceptible to interference problems, using field-circuit combination method to study the coupling effects on its front door.