ID 原文 译文
55777 仿真结果表明了本文实现通信中继和通信网性能提高的有效性。 Simulation results shows that the effective communication to improve the performance of relay and communication network.
55778 将间歇采样转发处理和散射波干扰方法相结合,提出了一种针对逆合成孔径雷达(inverse synthetic aperture radar,ISAR)的虚假目标图像数目可调型欺骗干扰方法。 To forward the intermittent sampling process and method combining scattering wave interference, this paper proposes a for inverse synthetic aperture radar (inverse synthetic aperture radar, ISAR) the number of false target image type adjustable deception jamming method.
55779 推导并对比了雷达目标回波和散射波干扰信号在目标二维ISAR图像重构时的差异,分析了散射波干扰后虚假图像的旋转现象;结合解线频调处理,分析了间歇采样占空比、采样周期对干扰效果的影响,得到了虚假图像数目与成像场景大小、采样周期之间的约束关系,从而实现虚假目标图像数目可调。 Is derived and compared the radar target echo and the scattering wave interference signals in target two-dimensional ISAR image reconstruction, after analyzed the scattering wave interference phenomenon of false image rotation;In this paper, the solution line frequency treatment, intermittent sampling duty ratio, the influence of sampling period on the interference effect, the number of false images and imaging scene size, the constraint relationship between the sampling period, so as to realize the false target image number is adjustable.
55780 数字仿真和实测数据实验均证明了该方法的有效性。 Numerical simulation and measured data results prove the effectiveness of the proposed method.
55781 由于被动雷达中广泛应用的测角方法应用于宽带信号测向时存在着各种问题,将互谱法应用于被动雷达宽带信号测向。 Because of the passive radar is widely used in the Angle measuring methods when applied in broadband signal direction finding there are all kinds of problems, the cross spectrum method is applied to passive radar direction finding of broadband signals.
55782 针对互谱法测向中相位模糊与测角精度存在的矛盾,提出用两频率点的频率差和对应的互谱相位差值的关系来解相位模糊的频率相位差值法,突破了互谱法中阵元间距不大于信号最小波长一半的限制,有效地保证了测角精度。 For direction finding method for the spectrum of the phase ambiguity and contradiction of the existence of Angle measurement, puts forward the differential frequency with double frequency points and cross spectral phase difference value of the corresponding relationship to the frequency of the phase ambiguity solution phase difference value method, broke the cross-spectrum method of array element spacing is not greater than the minimum limit of half wavelength signal, effectively guarantee the accuracy of Angle measuring.
55783 最后对相位差值进行修正,解决相位跳变问题,用两个阵元即可实现宽带信号测向。 Finally, correction of phase difference value, solve the problem of phase jump, two linear arrays can be realized with direction finding of broadband signals.
55784 仿真表明了该算法的有效性。 The simulation shows the effectiveness of the algorithm.
55785 在悬浮式深弹拦截鱼雷作战中,深弹布设是影响作战效能的关键因素。 In the suspension deep intercept torpedo warfare, deep layout is the key factors influencing the combat effectiveness.
55786 在分析深弹对鱼雷拦截概率及其影响因素的基础上,提出了深弹阵对预定拦截线有效覆盖率的概念;考量深弹的布设数量及阵形因素,建立了拦截概率的计算模型和深弹布设的优化决策模型;采用随机模拟和二项分布的正态逼近方法估算拦截概率,通过对可选方案的比较得到深弹布设的最优策略,并分析了模型的有效性。 On the analysis of the deep play in torpedo intercept probability and its influence factors, on the basis of the deep spring array is proposed for scheduled intercept line the concept of effective coverage;Consider deep play the number of layout and formation factors, intercept probability calculation model is established and the optimized distribution of the deep play decision-making model;Using stochastic simulation and binomial distribution of gaussian approximation methods to estimate the probability of interception, by comparing alternative to get the optimal strategy in deep play, and analyzes the validity of the model.