ID 原文 译文
6944 而后利用特征投影矩阵法对主瓣干扰进行抑制。 Then characteristics of projection matrix method is used to analyse the main lobe interference suppression.
6945 最后,通过添加线性约束获得权值矢量进行波束形成。 Finally, by adding a linear constraint for beamforming weight vector.
6946 仿真结果显示,在低快拍数条件下,所提算法对信号协方差矩阵具有更高的估计精度,波束形成性能稳健且具有更高的输出信干噪比。 Simulation results show that, under the condition of the low number of fast, the proposed algorithm to estimate the signal covariance matrix with higher precision and robust beamforming performance and has the higher the output s/n ratio.
6947 针对基于低轨预警系统的多目标跟踪,提出了兼顾跟踪精度与系统效率的传感器资源调度算法。 For multiple target tracking based on Leo early warning system, put forward both tracking accuracy and the efficiency of the system sensor resource scheduling algorithm.
6948 首先,建立了目标跟踪模型。 First of all, target tracking model is established.
6949 然后,以调度周期内后验克拉美-罗下界(posterior Cramer-Rao lower bound,PCRLB)变化率、卫星切换率为指标,建立了传感器调度的混合整数规划模型。 Then to posterior grams of Latin America - ROM lower scheduling cycle (posterior Cramer - Rao lower bound, PCRLB) rate, satellite switch rate as the index, sensor scheduling mixed integer programming model is established.
6950 在此基础上,采用遗传(genetic algorithm,GA)-模拟退火(simulated annealing,SA)混合算法对调度模型进行优化求解,提高了对解空间的搜索能力与求解速度。 Based on this, using genetic (based algorithm, GA), simulated annealing (simulated annealing, SA) hybrid algorithm optimize the scheduling model, improve the ability to search the solution space and the solving speed.
6951 最后,仿真试验表明本文调度模型的正确性与GA-SA混合优化算法的有效性。 Finally, simulation experiments show that the correctness of the scheduling model and the effectiveness of GA, SA hybrid optimization algorithm.
6952 为进一步发挥反舰导弹(anti-ship missile,ASM)的搜捕优势,结合ASM应用特点,提出ASM的区域射击方法。 To further play anti-ship missiles (anti - ship missile, ASM) hunt advantage, combining with the characteristics of the ASM application and puts forward the ASM method of shooting.
6953 为使射击方案满足预定捕获概率、预定毁伤概率,并降低所需ASM总数,分别提出满足预定捕获概率的可用瞄准点间隔范围计算方法、对应最优毁伤概率的瞄准点间隔计算方法和ASM数量计算方法。 To satisfy shooting plan book acquisition probability and kill probability, and reduce the required number of ASM, respectively is proposed to satisfy reserve acquisition probability calculation method of the aiming point interval range available, the corresponding optimal damage probability calculation method of the aiming point interval and ASM quantity calculation method.