简介:UsingthesamplesfromeveryMonday'scolumn'theMostPromisingStocksRecommendedbyAnalystsThisWeek'onShanghaiSecuritiesNewsduringtheperiodfromSep.2000toDec.2003,thispaperanalyzestheperformanceofthestocksrecommendedbyanalystsduringthefollowingweek.Firstly,theanalystsareinclinedtorecommendthestockswithbetterperformanceinthelatestweek.Secondly,theportfoliosformedbytheanalystrecommendationshaveremarkablypositiveabnormalreturnsonMonday,whiletheydonotoutperformthemarketfromTuesdaytoFriday,evenhaveremarkablynegativeabnormalreturns.
简介:ThispaperdealswithH∞controlofa5th-ordermodelofsynchronousgenerators.First,byusingthemethodofexactlinearization,wetransformthe5th-ordermodelintoalinearone.Thenweassignthepoleofthelinearizedmodelintheopenlefthalfplane.Finally,weapplythedesignmethodoflinearH∞controltogetastatefeedbackcontroller.
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