ID 原文 译文
9704 针对波形捷变合成孔径雷达(synthetic aperture radar,SAR)提出一种新的干扰方法:多普勒移频间歇采样转发干扰。 For waveform agility synthetic aperture radar (synthetic aperture radar, SAR) put forward a new method of interference: doppler frequency shift forward intermittent sampling disturbance.
9705 首先依据调频斜率捷变SAR信号方位向时延和多普勒移频的耦合特性,提出SAR多普勒移频干扰方法。 ‭First of all, according to the frequency modulation slope agility SAR azimuth signal to the time delay and doppler frequency shift, the coupling characteristics of SAR doppler frequency shift jamming method is put forward.
9706 在此基础上,为产生方位向位置精确可控的多假目标,结合方位向间歇采样转发干扰技术,研究了SAR多普勒移频间歇采样转发干扰机理,并对干扰效果及影响因素进行了详细分析。 On this basis, to produce bearing to the precise control of multiple false target location, combined with orientation to the intermittent sampling forward jamming technology, SAR doppler frequency shift is studied in intermittent sampling forward jamming mechanism, and the interference effect and the influence factors are analyzed in detail.
9707 为同时形成距离向超前和滞后的假目标,建立了干扰应用模型,给出了各阶假目标能量补偿系数及多组假目标产生方法,可同时满足重点目标和重要区域的防护需求。 ‭To form a distance to lead and lag of the false targets at the same time, interference application model and gives a false target energy compensation coefficient and multiple false target generation method, may simultaneously meet the demand of key targets and important area of protection.
9708 理论分析和仿真实验证明了干扰方法的可行性、有效性。 ‭Theoretical analysis and simulation experiment proves the feasibility and effectiveness of interference method. ‭
9709 在多输入多输出(multiple-input multiple-output,MIMO)干扰信道中,针对传统的单边干扰对齐(interference alignment,IA)算法不能有效地保留期望信号而导致系统容量受限的问题,提出一种利用辅助中间变量实现单边IA的设计思想。并以此为基础,给出一种基于自适应复合代价函数(adaptive composite cost function,ACCF)的IA预编码设计方法。 In multiple input multiple output (multiple input multiple output, MIMO) interference in the channel, in view of the traditional unilateral interference alignment (interference alignment, IA) algorithm can not effectively retain desired signal and lead to system of limited capacity problem, a auxiliary intermediate variable is used to realize the design thought of the unilateral IA and on this basis, given a cost function based on adaptive composite (adaptive composite cost function, ACCF) of IA precoding design method.
9710 该方法首先定义期望子空间内的残留干扰和有用信号功率的自适应加权差作为代价函数; This method firstly defined expectations in the subspace of residual interference and useful signal power adaptive weighted difference as the cost function;
9711 进而通过一辅助函数,将干扰抑制矩阵转化为中间变量,以构造复合代价函数;最后利用格拉斯曼(Grassmann)流形上的梯度下降法实现复合代价函数的优化求解。 Will, in turn, through a auxiliary function, interference suppression matrix into intermediate variable, to construct composite cost function;
9712 数值仿真结果验证了基于ACCF的IA方法在MIMO干扰信道中的有效性。 Finally using glassman (Grassmann manifold on the optimization of composite cost function, gradient descent method is used to solve.
9713 为综合考虑高功率微波(high-power microwave,HPM)电子毁伤过程中涉及的各要素并给出特定概率下的毁伤程度分级,提出HPM武器电子毁伤效能的灰色-贝叶斯网络评估方法。 The numerical simulation results demonstrate the method of IA based on ACCF effectiveness of interference in MIMO channel.