波度指數 的英文怎麼說
中文拼音 [bōdùzhǐshǔ]
波度指數
英文
tension ph diagram-
For this purpos, from the point of the log geology, aimed at the actuality of the current fractured reservoir log geology interpretation and evaluation, based on synthetical analysis of the current domestic and foreign fruit of fractal dimension investigation of reservoir fracture, using the method and technique of fractal dimension, through the further discussion of the fractal dimension characteristics of m index and n index in the log interpretation archie model in a sample way and through the theoretic reasoning to the fractal dimension dfa and m index of fractured reservoir interval ' s log curve, according to the geophysical signification of the fractal dimension dfa of fractured reservoir interval ' s log curve shape : the more complicated the change of the curve shape is, the larger the its dfa value is, then the more complicated space structure of fracture and pore, then the higher value of m index of space structure of fracture and pore, and so on, the text propounds an improved method, based on box dimension, of covering log curve with scale grid, and by programming computes the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, then further puts this technique into application investigation, and makes analysis of application effects in the reservoirs located in l area of qx oil field from three aspects : 1. the dfa and its m index value of fractured reservoir interval ' s log curve, for instance, ac and rt curve, ect, which are derived from computing, is used to identify reservoir type by crossplotting m index with the product df _ acrt of fractal dimension of acoustical wave log curve and restivity log curve and by experiential discriminance plate of reservoir type in l area of qx oil field
因此,對該區裂縫性儲集層的類型識別、孔滲特徵的測井地質解釋以及儲層裂縫的發育和分佈規律進行深入的研究便成為本文研究的出發點。為此,本文從測井地質的角度,針對當前裂縫性儲層測井地質解釋與評價的現狀,在綜合分析當前國內外儲層裂縫的分形分維研究成果的基礎上,利用分形分維方法和技術,通過對archie測井解釋模型中的m指數、 n指數的分形分維特性的深入淺出的論述以及裂縫性儲層段測井曲線分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井曲線形態分維值的地球物理意義? ?曲線變化越復雜,則其分維值d _ ( fa )越大、裂縫孔隙空間結構越復雜、裂縫孔隙空間結構指數m值越高等特徵,提出了改進的基於盒維數的測井曲線網格覆蓋法,編程計算了裂縫性儲層段常規測井曲線(如聲波和電阻率曲線)上分形分維值及其m指數值,進而從以下三個方面對qx油田l區塊的裂縫油藏進行應用研究,效果十分理想: 1將計算得到的可變的m指數與聲波和電阻率分維之積df _ acrt進行交繪,採用儲層分維值分類技術統計分析這些參數變化的規律,並結合qx油田l區塊儲層類型經驗判別圖版,從而實現qx油田l區塊下白堊統的裂縫性儲層的類型識別。We will show that not any mean of the revenue rates of the industrial indexes is significantly beyond value zero at confident level 0. 90. moreover the mean of the revenue rate of sse 30 index is negative ( though not significant ). and the fact of " the heritage of variance " appears congruous to the feature of industries represented by the corresponding indexes
第二章,通過分析上海股市各分類指數的收益率序列的特徵,得出結論如下:各序列都非正態,有自相關性和異方差存在,相對適宜用garch ( 1 , 1 )來擬合;除了上證商業( 1b0002 ) ,各分類指數收益率的均值在85的置信度下都不顯著地異於0 ,而上證30 ( 1b0007 )的收益率竟小於0 ;在各分類指數中, 」波動繼承性」的結果和各分類指數對應行業的特徵是相關的。The first exponential has been introduced to allow for variation of amplitude with attitude.
前面的指數是為了考慮波動振幅隨高度變化而引入的。Assure the minimum hortative wavelength by the international roughness index
由國際平整度指數確定路面激勵最小波長The study on measurement theory upraised in western countries in 1960s, especially japan and america. at that time, major application of the theory was in information economic field, such as, porat ' s measurement theory, japanese informative index method
測度理論研究的興起最早在60年代的西方國家,尤其是日本和美國,當時主要應用於信息經濟領域,如波拉特測度理論、日本信息化指數法。The basic theory of wideband signal processing is discussed and presented. the coherence among cwt, wcp and waf is pointed out emphatically
論述了寬帶信號處理的基本理論,指明了連續小波變換與寬帶相關處理、寬帶模糊度函數的一致性。And the resemblance is pointed out between continuous wavelet transform ( cwt ) and waf. in the course of computing waf, the scaling replica is very important. based on the properties of cwt, three approaches have been proposed for the scaling of a wavelet that has no analytic form
詳細闡述了寬帶信號及系統的三個條件、寬帶系統的回波模型和寬帶模糊度函數的概念,指出了連續小波變換( cwt )與寬帶模糊度函數的驚人相似之處。The second one : we studied the effect of temperature on performance of lds. it was found that threshold current increase exponentially outpower and slope efficiency decrease parabola and exponentially respectively. coefficient of temperature shift is 0. 24 / k, wheras characteristic temperature also decrease with rise of temperature
研究了溫度對激光器各參數的影響,隨著溫度的增加,閾值電流呈指數增加,輸出功率和斜率效率分別呈拋物線和指數關系遞減,同時特徵溫度也減少,波長隨溫度的漂移系數為0 . 24nm ,並且總結了一些溫度和結構設計方面的關系。On the base of above it, this paper discuss the synthesis of optimum distributed arrays by nonuniform spacing in the sense of dolph - chebyshev. having derived the equations of optimum element distribution, we analyze the exponentially spaced array, which are optimum when the elements are isotropic and equally weighted, and the array by general raised cosine function. the formulate for estimating the sidelobe envelope, beamwidth of the array pattern and clean region width are obtained
推導了最佳陣元分佈方程,分別對陣元無方向性和等加權時的最佳分散式陣列? ?指數間隔陣列和採用廣義升餘弦加權的最佳分散式陣列進行了分析,推導了天線方向圖旁瓣包絡、波束寬度,干凈掃描區寬度的估計公式,給出了近軸旁瓣電平與陣列參數的關系。A method, called r / s analysis, is employed to improve the estimate accuracy of the hurst exponent. the simulation results show the method mentioned above is also an efficient filter
針對hurst指數的估計誤差較大的問題,本文引入r s分析法,模擬研究表明該方法在提高hurst指數估計精度的同時提高了wls法的濾波效果。The main works as the following : r / s analysis is introduced to improve wavelet - generalized least squares ( wls ) in order to increase the estimate accuracy of the hurst exponent
本文的主要工作和創新點如下:提出了一種針對wls ( wavelet - generalizedleastsquares )的ar模型法的改進演算法。引入r s分析法對wls法進行改進,以提高hurst指數估計精度及濾波效果。In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically
本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器,設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理,認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題,新型橢圓凸輪波發生器可以進行尺寸精度調整,能夠達到輸入力矩以純力偶的形式輸入;通過本項研究,基本可以使「大速比摩擦傳動機構」在工程中得以應用。The fourth chapter " reseach on fractai structure of stock price " anaiyzed the fractai structure of stock price, deduced the investment function, caiculated the hurst exponent, 3 correlation dimension, and max lyaponov exponent, analyzed the self - similarity, long range dependence, circulation period of stock price and sensitivity of stock price to the initial value, suggested took the exponent characterize fractal instead of variance as instrument to measure risk
第四章分析並檢驗了股票市場的分形混沌特徵,推導了投資函數,計算了表徵股票市場分形特徵的hurst指數,關聯維和最大lyapunov指數,分析了股票價格的自相似性、長期記憶和循環周期,分析了股票價格的波動對初始條件的敏感性,提出中國股票市場具有混沌分形的特性,用傳統的方差法度量股票風險是無效的,必須使用混沌分析能夠理論來刻畫股票收益的風險,建立收益模型。Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust
利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。The result shows that both shanghai stock exchange and shenzhen stock exchange have multi - fractal structure, small - scope fluctuation has long - range correlation, large - scope fluctuation has anti - durative, and the fluctuation extent of yield in shanghai stock exchange comprehensive index is more intense than the fluctuation extent of yield in shenzhen stock exchange component index
結果表明我國滬深股市均具有多重分形結構,小幅波動具有長程相關性,大幅波動具有反持續性,且上證綜指的波動程度比深成指數收益率的波動程度強烈。( 2 ) grey wave forecasting of grey system theory is applied to economic cycle index forecasting. the forecasting result is highly closed to the reality
( 2 )成功地將灰色系統的波形預測方法運用到經濟循環指數預測中,得到了與實際經濟波動高度吻合的結果。With the analyses of the relationship figure between iri and velocity of representative road profile wavelength, the change trend between iri and vehicle velocity wasn ' t monotone increasing and was mainly affected by free vibration frequency of vehicle system
通過分析典型路面波長國際平整度指數與行駛車速的關系圖,發現國際平整度指數與速度之間不是單調增長關系,除路面因素外,兩者之間的變化趨勢主要受車輛系統自振頻率的影響。In the process of secondary succession from conifer - broadleaf forest to broadleaf forest, species richness fluctuated remarkably
在針闊混交林向闊葉林演替過程中,物種豐富度指數表現為較大的波動性。3 ) on the other hand, the gaussian heterogeneous anisotropic random fractured model might be a suitable model for the single - scaled and smooth heterogeneous media. the propagation of elastic waves, excited by an explosive point source in exponential ellipsoidal and gaussian heterogeneous anisotropic random fractured rocks, were simulated
模擬了爆炸點源產生的彈性波在指數橢圓型、 gaussian型非均勻各向異性隨機裂縫國防科學技術人學研究生院學位論文巖石中的傳播,討論了具有不同自相關長度的或者不同類型的非均勻各向異性隨機裂縫巖石對彈性波的散射。2. to observe the effects of quiet and resistant respiration on hemodynamics in normal man and and to establish the normal values of this effects and to verify the new proposal of the mechanism of respiratory effects on hemodynamics from clinical point of view. 3
觀察正常人平靜呼吸及阻力呼吸時胸壓變化對血流動力學的影響,從生理及臨床角度驗證我們提出的呼吸影響心功能機制新假說,同時為建立我國正常成人呼吸性血流速度波動指數( rvi )范圍提供參考; 3分享友人