4 . both cia and time - frequency analysis ( tfa ) are applied to the detection of the radar target in strong noise environment . these methods possess better detection ability than conventional constant false alert ratio ( cfar ) method 将复像分析应用于雷达目标的弱信号检测，将常规的基于恒虚警检测方法无法检测到的目标利用复像分析方法检测出来，在一定程度上提高了雷达的检测能力。
Then , a novel polarization discrimination algorithm of active multi - decoy and radar target is designed and computer simulations indicated that ground - base radar system is possessed of the discriminatory ability of active multi - decoy and radar target 在此基础上，设计了有源多假目标的极化鉴别算法，计算机仿真表明，具有极化测量能力的地基防御雷达系统具有对有源多假目标进行鉴别的能力。
It consists of the coordinates setup and transform of the phased array radar , some filter parameters " design for low - altitude target , evim technique used in the low - altitude radar target tracking , the strategy for low - altitude radar target tracking , etc 包括相控阵雷达坐标系的建立与转换；低空目标跟踪有关滤波参数的考虑； imm技术在低空目标滤波中的应用；相控阵雷达的低空目标跟踪策略等。
From the point of view of system , this paper introduces the structure , function , peculiarity and key techniques of a new training simulator of anti - air gun fire control radar , which has solved the key issue of the generation , control , searching and display of radar target through simulation 从系统的角度介绍了一种新型炮瞄火控雷达训练模拟器的设计思想、结构、功能和特点，分析了模拟器的关键技术。
The precondition of such research work is to obtain the complex radar cross section ( rcs ) , and then the rcs can be used to extract the distribution of the scatterers on the radar target for the purpose of target identification 要进行这方面的研究，首先需要获得雷达目标复的rcs响应，利用此rcs响应，我们可以获得雷达目标强散射中心的分布，通过对此分布的研究，我们可以进一步进行目标识别等方面的研究。
3 ) we research the attitude character of the radar target in the midcourse , analyse the rotation of the target in the midcourse on the basis of the attitude dynamics of space target . with the data of the trajectory in the midcourse , we calculate attitude parameter of the ballistic missile 在空间目标姿态动力学的基础上分析中段目标的进动,结合中段轨道数据,给出了中段弹道导弹的姿态参数(目标雷达视线角)的计算结果。
In this dissertation , we make a deep research on the trajectory character and attitude character of the radar target in the midcourse . much work has been done to simulate the trajectory and attitude , we get the attitude parameter of radar target by coordinate transferring 本文深入研究了雷达目标中段的轨道特性和姿态特征,在弹道导弹的弹道和姿态仿真方面做了大量的工作,通过坐标转换的方式完成了对目标姿态参数的计算。
