ID 原文 译文
9944 考虑到此系统的状态量不可测,利用斜坡函数作为输出量的参考跟踪信号,以系统的输出跟踪误差及其微分信号构建切换函数,设计出二阶滑模极值搜索控制律。 Given the state of the system capacity is unpredictable, using the ramp function as the output tracking of reference signal, to the output of system tracking error and its differential signal switching function, design a second-order sliding mode extremum search control law.
9945 稳定性分析证明了在任意初始条件下,该方法可使系统的输出量全局收敛至其期望极值的任意小邻域内且所有状态量均是一致范数有界。 Stability analysis proves that under the arbitrary initial conditions, this method can make the system output convergence to the global expectations within any small neighborhood of the extremum and all quantity of state is a consistent norm bounded.
9946 仿真结果验证了该方法的有效性。 The simulation results demonstrate the effectiveness of the proposed method.
9947 全数字或相控阵子阵结构的数字单脉冲测角一般都采用基于单脉冲比一阶泰勒展开的测角公式,主瓣干扰下的自适应数字单脉冲测角也采用鉴角曲线斜率约束的方法。 Digital or recently phased array structure digital monopulse Angle measurement are generally based on single pulse Angle than the first order Taylor expansion formula, under the main lobe interference of adaptive digital monopulse Angle also used as a method of constraint Angle curve slope.
9948 这些都会导致和波束主瓣宽度内偏离波束指向较远目标的测角偏差增大。 These will cause and main lobe width of the beam deviation beam pointing to the far target angular deviation increased.
9949 为了解决上述问题,针对任意二维数字阵列结构,推导了基于单脉冲比三阶泰勒展开的二维单脉冲测角公式,分析了公式求解的收敛问题。 ‭In order to solve the above problem, in view of the arbitrary two-dimensional digital array structure, the third order Taylor expansion based on monopulse ratio was deduced two-dimensional monopulse Angle formula of the formula to solve the convergence problem are analyzed.
9950 仿真结果表明所提方法对和波束主瓣范围内的目标均有较小的测角偏差,可以有效地提高主瓣干扰下的测角性能。 ‭The simulation results show that the proposed method of beam and main lobe are smaller targets within a range of angular deviation, can effectively improve the main lobe interference Angle measuring performance.
9951 该方法在提高测角性能的同时运算量增加不大,适合工程实现。 ‭The method in the view of improving the performance of Angle measuring little computational complexity increases at the same time, suitable for engineering implementation. ‭
9952 为了加快参数自适应律微分方程求解速度和状态变量的稳定收敛速度,通过改进常规反演自适应L。 In order to speed up the parameter adaptive law of differential equation solution and the stability of the state variables of convergence speed, by improving the conventional inversion adaptive L.
9953 雷达波形通常采用低占空比的脉冲发射,而通信波形为了提高信息传输速率采用连续波发射。 Radar waveform usually adopt low duty ratio of pulse emission, waveform in order to improve the information transmission and communication rate by continuous wave emission.