ID |
原文 |
译文 |
38536 |
欺骗路径规划是作战仿真中的研究内容之一。 |
Cheating path planning is one of the research content of combat simulation. |
38537 |
对于欺骗路径,传统的路径识别方法存在很大的局限性,识别效率不高。 |
To cheat the path, the path of the traditional recognition method has great limitation, recognition efficiency is not high. |
38538 |
针对目前路径识别方法中存在的不足,提高对欺骗路径的识别效果,将粒子滤波技术引入到欺骗路径识别领域。 |
Aiming at the defects of path identification methods, to improve the recognition of cheating path effect, the particle filter technology is introduced into the cheat path recognition field. |
38539 |
通过建立系统状态方程和观测方程,一方面降低观测噪声带来的干扰,准确把握当前时刻识别对象的位置信息;另 |
Through the establishment of the system state equation and observation equation, on the one hand, reduce the disturbance of noise, accurately grasp the current time identifying the location of the object information; |
38540 |
一方面根据采集到的动态数据估计欺骗模型中的关键参数,从而对识别对象的运动趋势和真实目标进行判断。 |
On the other hand according to the collected dynamic data to estimate the key parameters of deception model, to identify the object movement trend in the judgement and the real goal. |
38541 |
仿真实验表明,基于粒子滤波技术的欺骗路径识别方法能够提升识别效率,准确地判断出识别对象的真实进攻目标。 |
Simulation experiments show that cheating path identification method based on particle filter technology can improve identification efficiency, accurately judge the real attack target identification object. |
38542 |
针对工程中常规雷达波形存在距离旁瓣高、抗截获性差、多普勒容许性差等问题,本文借鉴噪声波形与线性调频(linear frequency modulation,LFM)波形联合思路来探测非合作动目标,即约束波形恒模条件下,利用相位尺度因子来考虑LFM波形与噪声波形的相位部分,构造恒模化的LFM-噪声复合波形; |
For engineering of conventional radar waveform in the high range sidelobe, poor resistance to intercept and doppler tolerance issue such as difference of sex, this paper noise waveform and linear frequency modulation (linear frequency modulation, LFM) waveform combined ideas to detect non-cooperative targets, namely the constraint waveform under the condition of constant modulus, the use of phase scale factor to consider LFM waveform and waveform of phase noise, structure constant modeling of complex LFM - noise of waveform; |
38543 |
进而在模糊函数图及主优化算法(majorization-minimization,MM)体制下利用先验知识映射模板实现对特定距离-多普勒区间的波形优化,将该二维旁瓣抑制问题分步转化为多维求解问题,通过选取两次逼近函数来逼近原优化问题的解域,并在算法的每一次迭代中加入级联松弛-缩放步骤、相位校正步骤,使之加快算法迭代收敛效率,获得波形兼具低旁瓣、低截获及多普勒容许性。 |
On the fuzzy function diagram and main optimization algorithm (majorization - minimization, MM) system using prior knowledge mapping template waveform of certain distance and doppler interval optimization, the two-dimensional sidelobe suppression problem into multidimensional to solve the problem step by step, by choosing two approximation function to approximate the original optimization problem solution domain, and in each iteration of the algorithm with cascade relaxation - zoom steps, phase correction, to speed up the algorithm the convergence efficiency, obtain waveform with low sidelobe and low intercept and doppler admissibility. |
38544 |
仿真表明:所提基于相位修正的松弛加权MM复合波形设计算法收敛迅速,相比常规算法具有明显的性能优势。 |
Simulation shows that the proposed weighted MM composite waveform relaxation design based on phase correction algorithm convergence is rapid, compared with the conventional algorithm has significant performance advantages. |
38545 |
在处理预测问题时,常有原始数据为区间数组成的随机波动性较大的区间数列的状况。 |
In addressing the problem of prediction, often have the raw data for interval number of volatile random interval sequence. |