ID 原文 译文
11974 首先,基于姿态运动学建立MEMS速率陀螺滤波方程; First of all, based on MEMS rate gyro attitude kinematics filtering equation;
11975 其次,结合局部模型跟踪控制律特点,引入过载指令与实际过载的近似数学描述,建立加速度计滤波方程; Secondly, combining with the characteristics of local model tracking control law and the introduction of overload command the approximate mathematical description and actual overload, accelerometer filtering equation;
11976 最后,采用无迹卡尔曼滤波(unscented Kalman filter,UKF)实现对三轴角速率、两轴加速度、攻角及侧滑角的辅助估计。 In the end, with no trace of Kalman filtering (unscented Kalman filter, UKF) implementation of three-axis angular rate, two axis acceleration, estimates of the number of auxiliary Angle of attack and sideslip Angle.
11977 半实物仿真试验表明,该算法可以将速率陀螺误差及加速度计误差分别降低至16%和30%,同时对攻角和侧滑角的估计偏差约为0.03°,证明算法有效。 Hardware-in-the-loop simulation test show that the algorithm can be rate gyro error and accelerometer error reduced to 16% and 30% respectively, at the same time open play Angle and the sideslip Angle estimation deviation is about 0.03 °, prove that algorithm is effective.
11978 代理模型方法是复杂系统优化设计的一种有效方法,讨论了以多二次函数为核函数的径向基(radial basis function,RBF)代理模型中形状参数h对精度的影响。 Broker model method is an effective method in optimal design of a kind of complex systems, discusses the multiple quadratic function as kernel function of RBF (radial basis function, RBF) agent model of influence of shape parameter h.
11979 在此基础上探讨了一种获得最优h值的方法。 On this basis discusses a method to obtain the optimal values of h.
11980 在该方法中,将RBF代理模型的标准均方根误差表达为形状参数h的函数,通过极小化该标准均方根误差,得到最优h值。 ‭In this method, the RBF agent model to represent standard root mean square error of the shape parameter h function, by minimizing the standard root mean square error, the optimal values of h. ‭
11981 在样本点给定的情况下,采用该最优h值所构造代理模型与采用其他h值所构造的代理模型相比,其精度更高。 Sample points in a given case, the constructed by the optimal h agent model with the other h value compared to the constructed agent model, its precision is higher.
11982 一维和二维数值算例验证了采用本方法确定h值的有效性,并应用该方法求解了战术导弹的气动外型优化设计问题。 ‭A peacekeeping two-dimensional numerical example demonstrate the validity of using this method to determine the h value, and apply the method to solve the tactical missile aerodynamic shape optimization design problem. ‭
11983 针对差分跳频通信系统跳频带宽宽、瞬时带宽窄的信号特点,提出了一种差分跳频均衡算法——基于最小均方算法的多跳联合频域均衡算法。 To jump differential frequency hopping communication system, signal characteristic of instantaneous belt width of band Eric, put forward a kind of differential frequency hopping equalization algorithm based on least mean square algorithm of multiple hops combined frequency domain equalization algorithm.