ID 原文 译文
7424 然后将共轭子空间的思想引入到MUSIC算法中,通过对噪声子空间及其共轭的交集进行奇异值分解,实现噪声子空间的降维; Then the thought of the conjugate subspace is introduced into the MUSIC algorithm, based on the noise subspace and the intersection of the conjugate singular value decomposition, realize noise subspace dimension reduction;
7425 最终通过半谱搜索实现2D-DOA的高效估计。 Finally through half spectrum search for 2 d - efficient estimation of DOA.
7426 同时为了提高低信噪比条件下算法的性能,在时频图处理过程中采用形态学滤波进行去噪,并在修正的时频图上完成了跳频信号每一跳的提取。 At the same time under the condition of low SNR in order to improve the performance of the algorithm, and used in the process of the time-frequency diagram processing morphology filtering, the noise and on the correction of time-frequency diagram completed each jump frequency hopping signal extraction.
7427 通过理论论证和实验仿真表明,本文算法相比于MUSIC算法,在保证均方根误差相当和估计成功率有所提高的情况下,计算复杂度降低了一半。 By theoretical demonstration and experimental simulation show that the algorithm is compared with the MUSIC algorithm, is pretty and in guarantee the root mean square error estimation under the condition of the success rate increased, computational complexity reduce by half.
7428 快速通过敌方雷达探测区域能够增加打击突然性,提高突防性能。 Fast by enemy radar detection region to increase impact suddenness, improve the penetration performance.
7429 如何在弹道设计中描述雷达探测问题是必须解决的问题。 How to describe the radar to detect problems in trajectory design is must solve the problem.
7430 为此,在常见多约束条件下的弹道设计方法基础上,根据雷达方程,将辐射型禁飞区约束转化为沿弹道积分的威胁系数约束。 For this purpose, the constraint conditions in common ballistic design method based on, according to the radar equation, the radiant no-fly constraints can be converted to the threat of ballistic integral coefficient constraint.
7431 基于威胁系数积分建立弹道优化性能指标函数,利用hp-自适应Radau伪谱法对此优化问题进行求解,得到了满足飞行过程约束且暴露于敌方雷达探测区域最小的飞行弹道,对比分析仿真结果,验证了模型和方法的正确性,达到了提高突防性能的目。 Trajectory optimization performance index is founded based on the threat coefficient of integral function, using the HP - adaptive Radau pseudo-spectral method to solve this optimization problem and satisfied flight process constraints and exposed to the enemy radar to detect regional minimum flight trajectory and comparative analysis of simulation results, verify the validity of the model and method, to improve the penetration performance.
7432 随着载人航天技术的发展,载人航天器由单舱段构型逐渐发展成为多舱段组合体构型,其中一个或若干个舱段在舱间通风的支持下对组合体密封舱内空气环境进行集中控制。 With the development of manned space technology, the manned spacecraft by one compartment configuration developed as many tank section combination configuration, in which one or several compartment in the cabin ventilation support within the combination capsule on the air environment for centralized control.
7433 利用多学科建模工具Ecosimpro建立了载人航天器组合体CO Manned spacecraft was established based on multidisciplinary modeling tools Ecosimpro combination CO