针对一类非线性连续系统的参数辨识问题，应用方块脉冲函数（ＢＰＦ）逼近技术．提出了一种参数递推估计算法．数字仿真结果表明了本文算法的有效性． For the parameter identification of a class of nonlinear continuous systems, a square pulse function (BPF) approximation technique is applied. A parameter recursive estimation algorithm is proposed. The numerical simulation results show the effectiveness of the proposed algorithm.