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發(fā)動(dòng)機(jī)缸內(nèi)壓力信號頻譜分析及濾波處理(畢業(yè)設(shè)計(jì))-資料下載頁

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【正文】 u1 = sum(x(1:N1).*x(2:N) 0)。u2 = length(findpeaks(x))+length(findpeaks(x))。if abs(u1u2) 1, u = 0。else, u = 1。 end function s = getspline(x) N = length(x)。p = findpeaks(x)。s = spline([0 p N+1],[0 x(p) 0],1:N)。參 考 文 獻(xiàn)[1] 張賢達(dá),保錚.非平穩(wěn)信號分析與處理[M].北京:國防工業(yè)出版社,1998[2] 史紹熙,盛宏至.內(nèi)燃機(jī)示功圖處理用的三個(gè)數(shù)字濾波方法.內(nèi)燃機(jī)學(xué)報(bào),1986,4(4):289—304[3] 朱建元.柴油機(jī)工作過程的頻譜分析和相關(guān)分析.內(nèi)燃機(jī)工程,1989,2:46—51[4] 向陽,史學(xué)智,彭勇.小波變換在發(fā)動(dòng)機(jī)缸內(nèi)壓力信號分析中的應(yīng)用[J].內(nèi)燃機(jī)學(xué)報(bào),1998,16(4):486491[5] 張全明,劉會(huì)金.基于廣義形態(tài)濾波的電力系統(tǒng)采樣信號處理[J]。電力自動(dòng)化設(shè)備,2006,10(6):4548[6] Harvey N R,Marshall S.Using genetic algorithms in the design of morphological filters[J].Genetic Algorithms in Image Processing and Vision.IEEE Colloquium,1994(6):15[7] Kubo M,Niki N,Eguchi K,et a1.Extraction of pulmonary fissures from HRCT images based on surface curvatures analysis and morphology filters[C]//Proc 15th Inter Conf on Pattern Recognition,2000:490493[8] Yang Tingfang,Liu Pei,Zeng Xiangjun.Application of adaptive generalized morphological filter in disturbance identification for power system signatures [C]//2006 International Conference on Power System Technology,2OO6:17[9] 趙春暉.?dāng)?shù)字形態(tài)器濾波理論及其算法研究[M].北京:高等教育出版社,2002:2536[10] 唐志平.SHPB 實(shí)驗(yàn)數(shù)據(jù)處理系統(tǒng).科技大學(xué)近代力學(xué)系技術(shù)撮告,臺肥:中國科技大學(xué)出版社,1985[11] Kobayashi T.Analysis of impact properties of A533 steel for nuclcar reactor pressure vessal by instrumented sharpy test.Engeneering Fracture Mechanics (U.S.A),1984,19(1):49—65[12] Mallat S G,Hwang W detection and processing with wavelets. Information Theory,IEEE Transactions on,1992,38(2):617—643[13] Lu J,et enhancement of medical images using multiscale edge Engineering,1994,33(7):2151一216[14] Witkin space : Conf Artificial Intell,kalsruhe,West Germany,1983,1019—1021[15] Mallat S G,Zhong of Signals From Multiscales Intell,1992,14(7):710—732[16] Rosenfeld nonlinear edge detection :,1970,58(5):814—816[17] Xu Yansu,et transform domain filters: a spatially selective noisefiltration technique IEEE Trans. Image Processing,1994,3(6):747758[18] orden E.Huang.The empirical mode deposition and the Hilbert spectrum for non linear and non stationary time series . R. Soc. Lond. A(1998) 454,903995[19] 楊建文,賈民平.希爾伯特一黃譜的端點(diǎn)效應(yīng)分析及處理方法研究[J].振動(dòng)工程學(xué)報(bào). No2,.2006[20] Marcus Datig,Torsten Schlurmann.Performance and limitations of the HilbertHuang transformation(HHT) with an application to irregular water waves.Ocean Engineering,31(2004)1783—1834[21] Huang NE,Shen Z,Long S R.The empirical mode deposition and the Hilbert spectrum for nonlinear and non—stationary time series analysis[J].Proceedings of the Royal Society ofLondon。A,1998,454:903995[22] Norden E.Huang.A new method for nonlinear and non.stationary time series analysis:Empirical mode deposition and Hilbert spectral analysis.Proc.of SPIE,2000,(4056):197209[23] N.E.Huang.Review of Empirical Mode Deposition analysis.Proc.of SPIE,2001(4391):71—79[24] 仲佑明,秦樹人.希爾伯特.黃變換中邊際譜的研究.,26(9):1324—1326致 謝本論文是在導(dǎo)師趙冬青趙老師的悉心指導(dǎo)下完成的。趙老師嚴(yán)肅的科學(xué)態(tài)度,嚴(yán)謹(jǐn)?shù)闹螌W(xué)精神,精益求精的工作作風(fēng),深深的感染和激勵(lì)著我。在論文工作期間,導(dǎo)師對學(xué)生高標(biāo)準(zhǔn),嚴(yán)要求,他不僅向我傳授知識,更注重啟發(fā)我的思維和思考方法,培養(yǎng)我的能力。特向尊敬的導(dǎo)師表示真摯的感謝和由衷的敬意!在整個(gè)論文設(shè)計(jì)期間,很多同學(xué)也給我提出不少有益的建議和給予我很多幫助,在此感謝這些同學(xué)。感謝大家的支持!
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