現行率曲線 的英文怎麼說

中文拼音 [xiànhángxiàn]
現行率曲線 英文
going rate curve
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
  • : 率名詞(比值) rate; ratio; proportion
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 現行 : 1. (現在施行的; 現在有效的) currently in effect; in force; in operation 2. (正在進行犯罪活動的) active
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. 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分維d _ ( fa )與m指數的理論推導,根據裂縫性儲層測井形態分維值的地球物理意義? ?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網格覆蓋法,編程計算了裂縫性儲層段常規測井(如聲波和電阻)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指數與聲波和電阻分維之積df _ acrt進交繪,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qx油田l區塊下白堊統的裂縫性儲層的類型識別。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射整體平移的「同物異譜」象,對于譜形相似而整體反射的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. In chapter 5, based on the measured refractive index distribution curve, according as the theoretical model of light transmission in the grin medium, using quadrivalent runger - kutta method to carry out the light tracking, we studied retro - reflection of grin polymer micro - sphere and its application and concluded the best conditions to get good results. in chapter 6 we analyzed the two ways to improve the retro - reflection effect of grin polymer micro - sphere using the light tracking and discuss the pleasant results we got

    第五章從上一章測量所得折射分佈出發,根據梯度介質球內光傳輸的理論模型,用光追跡的方法分析了327 #微球透鏡的反光性能,並對最佳性能條件進了總結分析,發效果提高並不明顯,進而在第六章中提出了提高grin聚合物微球回歸反射性能的兩個基本途徑,並用光追跡方法進了詳細的分析,最終得到了良好的效果,並對結果進了一定的分析解釋。
  4. This paper researches and analyses the developments of web technology and magnetostrictive transducers from world wide region. the paper also analyes the characteristics curve of magnetostrictive transducers based on its equivalent circuit and researches the method how to make sure its syntony frequency and its electric simulation network parameters. at the same time, by using jsp technology, a magnetostrictive transducer electric simulation application is designed based on b / s three - tier system structure. the experiment data is fitted by curve fitting module. the equivalent input impedance of it with stimulate loop is separated based on the results of curve fitting and the syntony frequency and electric simulation network parameters of magnetostrictive transducers is determined by the input impedance. the method presented in this paper can determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers with a better accuracy than the testing method of syntony & anti - synton y. further more, jsp, the advanced technology at current, has been used to realize a magnetostrictive transducer web electric simulation system. the system has good human computer interface and the function of resource sharing and information publishing. the research of this paper and its achievements have some practical merits in the researchful and applied fields of magnetostrictive transducer

    用java編程語言編寫的擬合模塊,對輸入的實驗數據進了最小二乘法的擬合;根據擬合結果可從帶激勵圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時由機械振動形成的等效輸入阻抗,並由此輸入阻抗確定磁致伸縮換能器的諧振頻及電氣模擬網路參數。本課題提出的方法與傳統的諧振?反諧振法相比,能更準確地確定磁致伸縮換能器的諧振頻及其電氣網路參數。同時,採用當前比較先進的web技術,實了基於jsp的磁致伸縮換能器web電氣模擬系統,該系統具有良好的人機界面和資源共享、信息發布功能。
  5. Partial blind signature based on elliptic curve cryptography ensures that the e - cash is valid only in the period issued by the bank according to the withdrawal protocol, and the historical record of the e - cash that exceeds the valid period will be removed, which greatly reduce the amount of traffic and effort of calculation and improve the efficiency

    在取款協議中採用基於橢圓的部分盲簽名方案,使電子金包含由銀頒布的有效期,超過有效期的電子金歷史記錄將被清除,這樣減少了通信量和計算量,提高了執
  6. From the result we get the following conclusion : for narrow - band signal, the effect of the method based on fft is best. for wide - band signal, when snr is up to certain degree ( higher than - 7db or so ), the curves of square error of modified methods are more obvious and closer to crb. for an echo composed of more than one frequency or direction, space - frequency distribution could show more direct information of frequency and direction, which is more advantaged to make precise judge and estimation for doa of echo

    從估計結果發,對于窄帶回波信號,基於fft的方法估計性能大大優于其他方法;對于寬帶回波信號,在信噪比達到一定程度(高於約- 7db )時,補償后的幾種估計法的性能改善均比較明顯,誤差越來越接近crb;對于回波中存在多頻多方位的情況,空間?頻分布圖能提供較為直觀的頻及方位信息,因此應用空間?頻估計法來進方位估計,更有利於進一步對回波的具體方位進準確判斷和估計。
  7. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓密碼體制的優點及研究狀;其次研究了橢圓密碼體制的基本理論;第三,分析了橢圓密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓密碼體制;第四,深入研究了特徵為2的有限域f _ 2m中的元素在多項式基和最優正規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多項式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域中元素在多項式基和最優正規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域中元素運算效的優劣作了比較和研究,所得的結論可供在實橢圓密碼體制時參考;第五,研究了目前流的計算橢圓標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流演算法的優劣;第六,實了基於f _ 2m的橢圓密碼體制的演算法庫,在我們的演算法庫中只需稍微改變便能實基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓密碼體制;第七,實了兩條安全橢圓上的橢圓密碼體制,包括ecdh , eces , ecdsa 。
  8. To avoid the serious electromagnetic interferer, the analog signals are transformed to frequency pulses which are transferred to the kernel of the system. in the measure of the groove voltage, the method of float - ground is adopted to avoid the high common signal and the range switch circuit is designed to solve the conflict of the wide dynamic range and the high precision. least square curvefit is adopted to reduce the system error

    鋁電解生產場電磁干擾非常嚴重,為此我們將需要測量的模擬信號就近轉換為頻脈沖后再傳送到控制核心;採用浮地接入方式消除槽電壓信號中的共模成分;設計了量程自動切換電路以解決槽電壓的動態范圍寬和測量精度高的矛盾;用最小二乘法進擬和以降低測量的系統誤差。
  9. It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given

    本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個概分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎; ?對衛星移動通信通道傳播特性的研究中常用的通道模型進了理論上的分析和討論,並對衛星移動通信通道建模的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤;並從接收信號功的角度出發,通過理論推導及模擬擬合重新證明了在鄉村環境下,這兩個模型的確是具有等同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進研究時,可以只採用corazza模型來對實際的通道進建模,這樣可以避免重復的建模工作並提高研究工作的效和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實的詳細過程和整體模擬測試的對比結果,保證了該模型在硬體實時的可靠性和可性,從而可以將它們應用於指導模型的硬體模擬實並可以降低硬體實時的風險。
  10. He finds the pitch range after calculated the three important parameters through the bladed for windows software, then presents an optimized control strategy that regulate the pitch angle in terms of the wind speed. it must control the output power because the variational output power brings the variational loads. he confirms and optimizes the control strategy that the output power is the control target, the output power is divided into three parts

    將功作為系統控制的目標,將功分成三段進控制,在低風速區,載荷是有限的,以功最大化作為控制目標;在額定風速附近,由於處在升力的變化點,功變化較大,應盡快調整槳距角進入失速區工作,減少載荷的波動,該額定風速區的上下工作點要通過場試驗的手段來確定;在額定風速以上,使功維持在額定輸出,減少功波動,並通過bladed軟體的模擬計算對控制策略進了驗證。
  11. The probability density function of net rainfall relative errors, flood peak discharge relative errors and the time error of the forecasted flood peak are calculated by the model developed

    通過建立洪水預報誤差分佈的最大摘模型,計算出9座典型水庫洪水預報的凈雨相對誤差、洪峰流量相對誤差和峰時間預報誤差的概密度函數,並將其概密度函數與正態分佈比較。
  12. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下,首次利用labview中的直擬合模塊、指數擬合模塊以及多項式擬合模塊,設計了一種對實驗所得數據進擬合的方法,對三種擬合方法進了比較,擬合結果表明,多項式擬合方法相對于其它兩種擬合方法效果更好;根據擬合的結果可從帶激勵圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗,並由此輸入阻抗確定了磁致伸縮換能器的諧振頻及其電氣模擬網路參數;最後通過labview提供的網路功能,實了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統,並探討了通過datasocket技術實該系統網路化的方案。
  13. Diagrams for example coal consumption and thermal efficiency in the light of online calculation presented by a software about boiler economic performance optimization developed with the tools visual c + + give you quick analysis and visualized judgment for boiler under different working conditions

    ( 3 )用visualc + +開發工具對鍋爐經濟性能優化軟體進了開發。根據場運提供的數據,通過計算,圖表顯示煤耗、鍋爐效等參數的特性;快速直觀的分析、判斷不同運工況下鍋爐的可靠性與經濟性。
  14. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制反饋技術的研究。在光學部分,本論文利用有實驗條件進了參量振蕩器頻調諧的研究,得到了調諧,並做了輸出參量光的能量轉換效以及輸出功的實驗,得到一系列特性
  15. The program of data processing in determination of percent released of pharmaceutical preparation was developed ; two modules included in this program are connected but independence each other, one module calculate percent released, one module regress equation ; determination of percent released of pharmaceutical preparation, comparison of released curve in one reference frame and modeling mathematics model were realized by running this program. the program of formulation optimization based on artificial neural network was compiled to solve the nonlinear problem in formulation optimization. provided parameters were used to predict the released amount of a set of formulations

    簡便,其計算結果與有其他程序計算結果基本一致:開發固體制劑體外溶出試驗數據處理程序,程序運時分為計算累積釋放百分和優選最佳數學模型兩個相互連接又各自獨立的環節,實了累積釋放百分的自動計算,同一坐標系下釋放的直觀比較,常用數學模型的擬合;開發基於人工神經網路的處方優化系統,解訣處方優化這一多目標、非性優化問題,利用符合擬合精度的訓練結果預測給定處方的釋放度,預測結果與實驗結果基本相近。
  16. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先分析了風機運特性及其最佳風能利用原理,通過模擬及實驗驗證了採用直流電機的輸出特性模擬風力機的最大輸出功的可性,並給出了模擬系統的硬體結構;然後為了實交流勵磁發電機有功、無功功獨立調節機理,分析了交流勵磁雙饋發電機的數學模型和在追蹤最大風能捕獲變速恆頻風力發電時必需的定子磁鏈定向矢量控制策略;針對雙饋發電機轉子能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實從理論到實踐的全面研究,研製出了一套小功完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進了空載、並網、同步速及上、下的發電運等一系列的運實驗;所完成的模擬和實驗研究均驗證了理論、模型和控制策略的正確性、可性。
  17. Operation layer is the basic core part in elliptic curve encryption system including how to calculate elliptic curve ' s stairs is a large prime or including a large prime gene to ensure elliptic curve to be safe elliptic curve ; in this article safe elliptic curve is chosen by p1363 sae algorithm. besides, how to achieve fast point multiplication will influence the performance efficiency of the whole encryption system ; in this article, for different situations, signed binary method and rolling window method are respectively applied to perform quick operation of elliptic curve ' s point multiplication

    運算層是橢圓密碼體制實的最基礎、最核心的部分,包括如何來計算橢圓的階為大素數或含有一個大的素因子,以保證所選取的橢圓為安全橢圓,本文根據ieeep1363協議的sea演算法實了安全橢圓的選取;另外如何實標量乘的快速運算,將會影響整個密碼系統的實,本文根據不同情況對橢圓的標量乘法分別採用了帶符號的二進製法和滑動窗口法進快速運算。
  18. This research is based on a group of countries in deferent developing phase in the same period. then, by using spss statistic software, from the regressive model, we made a conclusion that a cubic curve is found to describe the law of the housing ratio that change with economic development. we hereby divide the cubic curve into three phases : rising, falling, and re - rising, then we analysis the character of each phase

    本文採用橫向數據分析法,研究了同一時期處于不同經濟發展水平的一系列國家住宅產業增加值在gdp中所佔的比,然後藉助spss統計軟體進回歸分析,得出了住宅比隨經濟發展呈三次的變化規律的結論,並據此劃分了住宅產業發展軌跡的三個階段,即上升階段、下降階段、再上升階段,分析了每個階段的基本特徵。
  19. The fast development of china bond market boosts the research of bond. the most important issue of securlty markets is the return - - - risk relation and the retum - - - risk relation of bonds is reflected by the yield curve that describes the relation between yield to maturity ( return ) and years to maturity ( risk ), so yield curve is an important analytical tool which serves as the basis of analysis of the trend of the interest rate and bond pricing. as the foundation of bonds investment, yield curve can be used to calculate the bid rate in the first market, select bonds and predict the open quotation price in the secondary market

    證券市場最重要的問題是收益一風險的關系,而國債的收益一風險關系就體在描述到期收益(收益)一到期期限(風險)的國債收益上,該所表示的關系就稱做利的期限結構。因而國債收益是國債研究最重要的分析工具,它為分析利走勢和進市場定價提供了基本工具。而且國債收益是進投資的重要依據,它可以為投資者在一級市場上確定國債的投標利,在二級市場上對國債券種的選擇及預測開盤價提供依據;同時也為政府發國債,加強國債管理、實施貨幣政策和調節利提供參考。
  20. The most important issue of security markets is the return - risk relation and the return - risk relation of bonds is reflected by the yield curve that describes the relation between yield to maturity ( return ) and years to maturity ( risk ), so yield curve is an important analytical tool which serves as the basis of analysis of the trend of interest rate and bond pricing

    證券市場最重要的問題是收益?風險的關系,而國債的收益?風險關系就體在描述到期收益(收益) ?到期期限(風險)的國債收益上,因而國債收益是國債研究最重要的分析工具,它為分析利走勢和進市場定價提供了基本工具。
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