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《Systems Engineering》 1998-05
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Two Ways of Model Simplification for Large Scale Systems

Ding Feng Yang Jiaben  
The two methods of model simplification are presented for large scale systems, they are the least square approximation and the rational fraction approximation. The former determines the parameters of the simplified model by using the many items of the series of the original transfer function G(s) at s = 0 ,and the latter does it directly by using the parameters of GO) . They have higher precision in comparison with previous methods,for example Pade method.
【CateGory Index】: N941
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