Two kinds of least square algorithm for parameter identification of second-order system, one can directly get the transfer function between input and output, the other can solve the coefficients of linear difference equation, and then get the transfer function by inverse solution. The attached model of a second-order system can download the input and output data for test.

Filename	Size	Update
text	0	2020-02-23
text\changshi.m	459	2020-02-17
text\jiandan.slx	20494	2020-02-21
text\zuixiaoercheng.m	2424	2020-02-23

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