ID 原文 译文
48646 首先,根据模糊系统理论,分别采用模糊对角线划分和递推最小二乘算法进行前提和结论参数辨识,离线辨识得到对象模糊模型和逆对象模糊模型。 First of all, according to the theory of fuzzy system, fuzzy diagonal dividing and recursive least squares algorithm for parameter identification of premise and conclusion and off-line identification object fuzzy inverse model and object model.
48647 将辨识出的对象逆设为原始控制器,与被控对象串联;为了分离出系统扰动信号,将辨识出的对象模型与被控对象并联,通过被控系统与对象模型输出做比较,再通过逆对象模型反馈到系统输入端,组成扰动消除环节。 Will identify the object of inverse set as the original controller, and the controlled series;In order to separate the disturbance signal, the system will identify the object model and parallel of the object, and through the controlled system, comparing with the object model output through inverse object model feedback to the system input, disturbance elimination of link.
48648 用最小均方差算法在系统运行过程中在线调节逆对象模糊模型参数,使其输出误差最小。 With minimum mean square error algorithm in the process of the system is running online by adjusting the parameters of the inverse object fuzzy model, make its output minimum error.
48649 最后,使用所提方法对一混合非线性系统及输入/输出非线性系统进行仿真试验,仿真结果验证了所提方法的有效性。 Finally, using the proposed method to a mixed nonlinear system and the input/output nonlinear system simulation experiment was carried out, the simulation results verify the effectiveness of the proposed method.
48650 机会阵雷达(opportunistic array radar,OAR)是一种以平台隐身性设计为核心的新体制雷达,设计适用于OAR系统的正交波形是研究的一个重要方面。 Opportunity array radar (opportunistic array radar, OAR) is a kind of platform stealth design as the core of the new system radar, orthogonal waveform design is suitable for the OAR system is an important aspect of research.
48651 对常规的雷达正交波形编码的搜索方法进行改进,使用混合遗传模拟退火算法,寻找出具有低自相关和互相关特性的雷达离散频率编码集合; The search for conventional radar orthogonal waveform coding method was improved, using hybrid genetic simulated annealing algorithm, to find out the radar with low autocorrelation and cross-correlation properties of discrete frequency coding collection;
48652 并且考虑到算法适应度函数的重要性,引入灰关联度综合评价法则对其加以关联分析,根据关联度来引导算法搜索的方向,使产生的波形具备较好的性能。 The importance of fitness function, and considering the algorithm introduced correlation analysis of grey relational comprehensive evaluation principles, according to the correlation to guide the algorithm search direction, to create the waveform has better performance.
48653 仿真结果表明,该算法可行且高效,在搜索最优离散频率编码方面优于其他搜索算法。 The simulation results show that the algorithm is feasible and efficient, in terms of search optimal discrete frequency coding is better than other search algorithm.
48654 提出一个新的混沌系统,研究其基本动力学特性。 A new chaotic system is put forward, research the basic dynamic characteristics.
48655 在混沌控制及其应用中,混沌系统的状态估计和滤波是重要的,但现有的滤波算法不能适应混沌的初值敏感性、不能长期预测,提出了一种基于扩展卡尔曼滤波(extended Kalman filter,EKF)的混沌系统参数估计和滤波方法。 In chaos control and its applications, the chaotic system state estimation and filtering is important, but the existing filtering algorithm can not adapt to the chaos initial value sensitivity, long-term forecast, put forward a kind of based on extended Kalman filter (extended Kalman filter and EKF) parameter estimation and filtering method of chaotic system.