ID 原文 译文
9754 该方法的有效性在一类通用的高超声速飞行器的攻角控制仿真中得到了验证。 The effectiveness of the proposed method in a class of general Angle of attack of the hypersonic aircraft control simulation.
9755 针对机载合成孔径雷达(synthetic aperture radar,SAR)制导空地导弹的末制导过程,导弹的运动状态如何同时满足成像分辨率和脱靶量要求的问题,提出一种新的轨迹控制算法。 For airborne synthetic aperture radar (synthetic aperture radar, SAR) guided missile terminal guidance process, clearing the missile's motion state how to meet the requirements of the imaging resolution and miss distance at the same time, puts forward a new algorithm of trajectory control.
9756 通过分析SAR末制导过程,以及弹目空间几何与成像分辨率的关系,将成像分辨率要求转化为对导弹前置角的约束,将脱靶量要求转化为对导弹目标线角速度的约束。 Through the analysis of SAR guidance at the end of the process, as well as the els space geometry relationship with imaging resolution, the imaging resolution requirements for missiles heading Angle constraint, will miss distance required for the angular velocity of the missile target line constraint.
9757 基于逆最优控制,建立含有待定系数的性能指标函数,并根据给定的系统动态性能指标确定该系数,从而得到具有时变权值系数的最优控制量,通过权值系数的调节作用以满足不同制导模式的指标要求。 Contains of undetermined coefficients based on the inverse optimal control, the performance index function, and according to the given system dynamic performance indicators to determine the coefficient of obtained with time-varying weight coefficients of the optimal control, through the weight coefficient of adjustment to meet different guided mode index requirements.
9758 仿真实验证明了该算法的有效性。 Simulation results prove the effectiveness of the algorithm.
9759 天波雷达在探测舰船等慢速目标时,会受到展宽一阶海杂波Bragg峰的影响,其中电离层分层结构导致的多模现象是展宽的主要原因之一。 Sky-wave radar in detecting the slow targets such as ships, by improving the effect of the first-order sea clutter Bragg peak, one led to the ionosphere hierarchical structure of multi-mode phenomenon is one of the main reasons for broadening.
9760 传统的一维接收线阵不能提供俯仰维信息,从而接收了多个模式的回波,二维阵可以从根本上解决这个问题。 ‭The traditional one-dimensional receiving line array can not provide the pitch d information, so as to receive the echo of the multiple modes, two-dimensional array can fundamentally solve the problem.
9761 通过研究二维非满阵波束方向图和多模海杂波二维空域分布的关系,给出阵列几何构型设计方案,从而在空域滤除不需要的模式,达到提高海杂波一阶谱纯度的目的。 ‭By studying the two dimensional non full matrix figure in the direction of the beam and multimode sea clutter two-dimensional spatial distribution, the relationship between array geometry design scheme is given, thus in the airspace filter out unwanted mode, to improve the sea clutter the purpose of the first order spectral purity.
9762 仿真结果表明,与一维接收阵列相比,十字阵列对多模海杂波的抑制提升可达到20dB。 ‭The simulation results show that compared with the one dimensional array, cross array of multimode sea clutter suppression can reach 20 db. ‭
9763 多载频相位编码信号(multi-carrier phase-coded,MCPC)作为近年来备受关注的一种宽带雷达信号,具有较高的频谱利用率、良好的自相关以及频率分集特性等优点,因而在目标检测、抗干扰以及高分辨成像等领域具有较大的应用前景。 Carrier frequency phase coded signal (multi - carrier phase coded, MCPC) type as a focus in recent years a broadband radar signals, has higher spectrum efficiency, good autocorrelation and frequency diversity characteristics, etc, thus in target detection, anti-interference and high resolution imaging and other fields has great application prospect.