ID 原文 译文
50087 信号频率已知条件下，对单部相控阵雷达和MIMO雷达方位侦察估计性能之比仅与相控阵雷达发射波束方向增益以及阵元个数有关。 Of single signal frequency under the condition of known, phased array radar and the ratio of the MIMO radar azimuth reconnaissance estimation performance and phased array radar transmitting only gain in the direction of the beam and array element number.
50088 最后，仿真实验结果验证了本文理论分析的正确性和方法的有效性。 Finally, the simulation results validate the correctness of theoretical analysis and the method is effective.
50089 针对反舰导弹对目标散布区搜索问题，提出一种多弹区域覆盖平行搜索方法，建立了目标捕捉概率的解析模型，并分析了参数变化对捕捉概率的影响，给出区域覆盖平行搜索下捕捉概率的统计模拟模型用于与解析法进行对比分析，得到了区域覆盖射击平行搜索的基本实施方法。 Against anti-ship missile to the target distribution area search problem, put forward a kind of play the regional coverage parallel search method, target capture probability analytical model is established, and analyses the influence of parameter change on the capture probability, given the regional coverage under the parallel search statistical simulation model is used to capture probability and analytic method, this paper compares and analyzes the basic implementation methods of parallel search area coverage shot.
50090 仿真结果表明，相比于传统的单枚导弹现在点射击法，所提出的方法显著提高了反舰导弹对目标散布区的捕捉概率，解析法所得的捕捉概率近似为目标航向航速均服从均匀分布时捕捉概率的统计平均值，即在一般情况下使用该解析模型计算多弹区域覆盖平行搜索的捕捉概率是有效的。 Simulation results show that compared with the traditional single missile now point shooting method, the proposed method significantly improves the capture probability of anti-ship missile to the target distribution area, the analytic method of approximation for the target capture probability course speed all obey uniform distribution when capture probability statistical average, namely in the general case the analytical model is used to calculate more play area covering the capture probability of parallel search is effective.
50091 概率假设密度(probability hypothesis density，PHD)滤波的序贯蒙特卡罗实现算法性能高度依赖于先验目标生成强度函数和粒子重要性采样(importance sampling，IS)函数。 Probability hypothesis density (aim-listed probability content, density, PHD) filtering of sequential monte carlo algorithm performance IS highly dependent on the prior target function and the importance sampling particles generate strength (importance from, IS) function.
50092 针对上述问题，提出一种改进算法。 Aiming at these problems, an improved algorithm is put forward.
50093 首先，引入量测驱动机制，提出一种量测分类方法获取潜在的新生目标量测集合，并以此为基础进行新生目标粒子采样，提高了算法的有效性。 First of all, introducing the driving mechanism of measurement, presents a measurement method for potential new targets set measurement, and based on this new target particle sampling, improve the effectiveness of the algorithm.
50094 其次，为了提高存活目标粒子分布的准确性，结合门技术和无迹信息滤波将当前量测信息融入到IS函数设计中。 Secondly, in order to improve the accuracy of survival target particle distribution, combined the technology of the door, and no trace information filtering into the current measurement information IS function design.
50095 计算机仿真实验表明，所提算法具有更稳健的多目标跟踪能力和杂波适应性。 Computer simulation results show that the proposed algorithm has stronger ability of multiple target tracking and adaptive clutter.
50096 针对长期演进(long time evolution，LTE)下行多输入多输出正交频分多址链路(multiple-input multiple-output orthogonal frequency division multiplexing，MIMO-OFDM)异步通信系统中的天线间干扰和多径干扰的问题，提出一种低复杂度的基于预编码矩阵的迭代均衡算法。 ) in view of the long-term evolution (long time evolution, LTE downlink multiple input multiple output orthogonal frequency division multiple access link (multiple input - multiple - output orthogonal frequency division multiplexing, MIMO - OFDM) asynchronous communication system between the antenna interference and multipath interference problem, put forward a kind of low complexity iterative equalization algorithm based on precoding matrix.