研究了光顺样条滤波问题解存在的充要条件,并将光顺样条滤波方法应用于非线性系统参数的估计问题.该方法化微分方程组和超越代数方程组为代数方程组,减少了计算量,提高了辨识效率.理论证明与仿真结果表明该方法是有效的、实用的.“,”Many methods of nonlinear system identification exist, but under some conditions, such as when noise observed is large or when data are limited, it is difficult to identify strong nonlinear system. As a flexible and exquisite mathematical tool, spline function has been successfully applied to identification field. In this paper, the sufficient and necessary condition to the existence of solution in smooth spline filter(SSF) problem is studied. The SSF method is applied to identifying parameters of a kind of...