用得到的已知输入输出数据，通过编好的渐消记忆增广最小二乘辨识软件辨识已知系统的阶次与估计其参数，验证所编软件的正确性-known to be useful input and output data, through the provision of good memories fading by the least square identification software widely known identification system and the order of the estimated parameters, develops software to certify the correctness