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《Electrical Measurement & Instrumentation》 2000-08
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Study on square root algorithm in AC sampling

Shi Wangwang1,Huang Yazhong1,Xu Xiaohua2 (1.Polytechnic Institute of Yangzhou University,Yangzhou 225001,China; 2.Harbin Institute of Technology ,Harbin 150001,China)  
:The method of giving starting value in Newton iteration algorithm of extracting square root is presented. The conclusion shows the features of simplicity high precision and time-saving. At the same time err analysis in computing amplitude and modified algorithm is given.
【CateGory Index】: TM744
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