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Multi-band orthogonal polynomial fitting method and Matlab toolbox

ngMatlabToolboxWangTongZkangLingmi (InstituteofVibrationEngineeringResearch, NanjingUniversityofAeronauticsandAstronauticsNanjing, 210016) AbstractAmultiplefrequencybandfittingmethodofmodalidentification, whichimproveothidentificationprecisionandefficiency · ispresentedinthispaper. AvisualmatrixdenotationmethodisdesignedtOsolvethetransformingmatrixbetweenthepowerpolynomialandtheorthogonalpolynomia1. TheFRFs,[link widoczny dla zalogowanych], thefrequencyvectorandthecoefficientsofthedenominatorpowerpolynomialarenormalizedaswel1. Inthesametime. someexamplessuchasRihardsonSthree-modeexampleandGARTEURplanemodelareexaminedtOverifythisalgorithm. Finally, theMatlabtoolboxdevelopedbasedonthisalgorithmisintroduced. Keywords: parameterrecognition; modalanalysis; orthogonalpolynomials; curvefitting; matlabtoolbox Wang Tong, the first of the male, Ph.D., January 1978 students. Phone: (025) 4892126; E-mail: [link widoczny dla zalogowanych] wt @ 263. net ... ◆ Sichuan I ◆ ... 1. IIIl ◆ IIII ◆ ... l ◆ ... I ◆ ... I ◆ ... I 'Vibration Engineering Society of China held the Fifth National Congress of the Chinese Institute of Vibration Engineering Fifth National Congress on November 26, 2003 in Shanghai Tongji University was held. Fellow of Institute of soul shifting vice president, presided over the morning's meeting. Fellow director ROTOR opening remarks,[link widoczny dla zalogowanych], Professor Li Yongsheng welcoming speech, Vice President of Tongji University, secretary-general of China Association for Science Professor Chen Guoping read the congratulatory letter, Vice Chairman of Shanghai Association for Science Cao spoke to Comrade. Society on behalf of Professor Hu Haiyan, vice chairman of the Fourth Council was entitled Professor Feng Xing Yu Long made a presentation on The Assembly also invited the honorary chairman of the Wenhu Academy of Sciences, Academician Zhu place in autumn, high gold Jiyuan Shi, OU Jin-ping, Professor,[link widoczny dla zalogowanych], Professor Xiong Shibo, Professor Liu Hanlong made the academic report. Afternoon session Fellow by the Institute, presided over Vice President Wu Yousheng. General Meeting of the Society of the fourth report and the work of the Council on the work report of the Fourth Council, passed the Fifth Council of the General Assembly adopted the method of election, by a list of scrutineers. Members attended the meeting on behalf of the National 154, they came from China in vibration engineering research, teaching,[link widoczny dla zalogowanych], development, production and use of the main unit, with broad representation. Meeting composed of members elected Society 105 Fifth Council. Society held its first plenary meeting of the Fifth Council, composed of the elected 29 executive director of the executive council meeting of the Institute Academician Liu Renhuai elected new board chairman,[link widoczny dla zalogowanych], Professor Hu Haiyan, Wu Yousheng academicians, high gold Jiyuan Shi, Professor Chen Xinzhao , Professor Ma Xingrui, OU Jin-ping, vice chairman Professor, Professor Chen Guoping as secretary general. (Newsletter)

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