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1. IntroductionDetection of jump points often arises in many practical problems such as signal analysis,.... fimage processing, seismic exploratioll and phonetic identification. FOr examPle, financialeconollilsts often wad to know if abrupt changes occur in an exchange rate series sincethese changes edicted, are affecting or will affect fin-ancial market; engineers concern abolltwhether there exist jumps in a seismic signal in oil exploration bacause these jumps maypredict that there exists br… 相似文献
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11砒roductlonAnalysis ofjumps Is very important Inpractlce.Thejumps often predicts that the in-vestlgated objects are subject to sudden山auges In山aractenstlcs.刊r exaxnple,the jumps ofn 6Xchs,lxge fat6 ill illAnC6 OftCh ShOW th6 lllfiU6DC6 of th6 11POTts;llt 6y6llts h th6 WOTld Oil6nance markt;thejumps ofa seismic signal In oil exploration m叫 imply that there eistsbroken stratum In the expfored strata.It is hot 6My to d6t6Ct th6 JllthPS SlllC6 th6 llld6Ylying Signal Is Oft6l… 相似文献
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