derived curve 中文意思是什麼
derived curve
解釋
導函數曲線-
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。 -
The equations of workspace boundary surfaces for double - octahedron variable geometry truss pmts are derived based on surface analysis method. the projection and section curve grapha of workspace boundary surfaces for double - octahe
推導出了zrps ztps型及m 3tps型並聯機床運動學分析的一階和二階影響系數矩陣，得到了其運動學模型。 -
By combining randomized hough transforms ( rht ) and curve fitting method together, the geometric detection algorithms of lines, circles and ellipses are derived respectively and have advantages of automation, swift, precision and robustness as used in complex background
將rht與曲線擬合有機結合，分別提出了直線、圓、橢圓檢測演算法，該演算法能在復雜背景下、全場范圍內，自動、快速、精確、魯棒地完成檢測任務。 -
The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained
採用線性理論推導了無窮大引導磁場下的同軸tm模式色散關系式，並編程數值求解了一定條件下的色散曲線、時間增長率、空間增長率。 -
The paper build a model of electric ship power system, include the model of motor and generator derived from simulink, the model of propeller build by the author, the model of load flow. after the process of model simulation, the dynamic curve of electrical ship were drawn out
應用simulink已有的電機模塊，再自行建立螺旋槳的simulink模型，結合數據庫模塊和用戶自定義的s函數模塊，建立了電力推進船的船?機?漿匹配模型，並進行了模擬計算和動態特性模擬，並進行了模擬結果分析。 -
The reduction factors derived from curve fitting based on calculation results by the finite element program ( ansys ) considering all kinds of damages such as cutouts, corrosion, cracks, denting, initial deflection and residual stress are introduced to modify the effective width of perfect panel in the present paper
本文考慮板中可能存在孔洞、腐蝕、裂縫、局部撞損和初始焊接變形或殘余應力等損傷和初始缺陷，對不同的損傷形式用有限元程序（ ansys ）進行大量的計算，通過曲線擬合的方法引入折減系數對完好板格的有效寬度進行修正。 -
After giving the legendre polynomials approximation to parametric speed of the curve, the author gives the jacobi polynomials approximation to parametric speed with endpoints interpolation. from this, two algebraic offset approximation algorithms, which preserve the direction of normal, are derived
給出了曲線參數速度的legendre多項式逼近，進一步給出了參數速度的插值區間端點的jacobi多項式逼近，由此導出了保持法矢平移方向的兩個等距代數有理逼近演算法 -
Comparison between quasi - static indentation and low - velocity impact tests has been conducted in this paper at last. in accordance with energy balance principle, the dent depth vs. peak contact force under impact curve, which is derived from the dent depth vs. impact energy curve, is similar with the dent depth vs. indentation force curve with an evident transition
最後，本文還對低速沖擊試驗與靜壓痕試驗做了比較分析，並基於能量平衡公式，從沖擊能量凹坑深度關系導出了沖擊最大接觸力凹坑深度關系曲線，它與靜壓痕試驗得出的壓痕力凹坑深度曲線的變化趨勢相類似，即出現較明顯的拐點。 -
Take the normal graded granularity for example, the curve function of the collaring rectangle was derived, which can provide a kind of mathematic model for drawing the lithologic frame of terrigenous elastic rocks in the second development of graphic software
為了彌補繪圖軟體的這些不足，提出用曲邊矩形代替矩形來繪制陸源碎屑巖巖性框架，並以表示正粒序陸源碎屑巖巖性框架的曲邊矩形為例，詳細推導了其曲邊的函數表達式，為繪圖軟體的二次開發提供了陸源碎屑巖巖性框架繪制的一種數學模型。 -
The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0
在更寬的溫度范圍、壓差范圍內，在不同原料氣組成（即不同的氫氣分壓）條件下，對所制備的鋯表面改性膜進行了滲氫性能實驗，考核了膜對氫的唯一選擇滲透性，結果表明：在四極質譜的檢測下限內，只有氫氣存在，而無雜質氣體通過；在593k 773k溫度范圍內，鋯表面改性選擇滲氫膜具有高於鈀膜數十倍至十幾倍的滲氫流量和滲氫系數；其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大，並且呈線性關系；壓力對膜的滲氫系數幾乎無影響；膜的滲氫系數隨著溫度的升高而下降，井巨呈指數關系：根據對實驗數據所作滲氫系數與溫度關系曲線的擬合，在溫度593k 773k范圍內，壓差p 、 0二0 -
In terms of the relation of coordinate of physical plane and strain plane, stress and strain field distribution curve expressed by polar coordinates in damage area is derived, when n = l, the result is same as that given by c. h. popelar
由物理平面與應變平面坐標間的關系，得出了極坐標中損傷區應力、應變場的分佈。當n = 1時，所得結論與c -
Firstly, based on research of the asymmetric involute gear cutter and the gearing theories, the universal tooth flank curve equations of asymmetric gear with two pressure angles and the tooth transmission curve are derived by the gear shape nomal method, then the fea model of asymmetric involute gear with main parameters is automatically generated with ansys parametric design language ( apdl )
本文首先建立非對稱漸開線刀具的方程，根據齒形法線法建立非對稱漸開線齒輪的齒廓曲線方程，並利用apdl參數化建模語言建立全參數的非對稱漸開線齒輪有限元模型。討論了非對稱漸開線齒輪的嚙合特性，對非對稱漸開線齒輪傳動特點作了詳細的分析。 -
By way of theoretical analysis, the relationship between settling angle on a planar curve and the polar coordinates of the same curve was obtained, and the polar equation of a curve that passed through two fixed points and had the specified directions at these two points was also derived
摘要通過理論分析與數學計算獲得了平面曲線上任一點處安放角與曲線極坐標方程的關系，同時導出了通過平面上兩定點且在兩定點處有給定方向的曲線的極坐標插值方程。 -
The on / off control performances of the skyhook damper in semi - active suspension system, the occur of chatter and its avoiding are analysis. the continuous damping rules are derived according to the feature of damping curve given by the controller in active control system
首先對主動懸掛系統阻尼控制中的天棚阻尼原理在半主動懸掛中的應用進行了研究，分析了其開關控制特性、顫振及其避免方法；根據主動懸掛控制信號的特點導出了連續阻尼控制規律。 -
The results indicate that the curve is concave when the velocity is very low. 2. motion equation of every kind of flow pattern in porous media is derived by simulated theory
實驗結果表明，在低速滲流階段，滲流曲線為上凹型，到一定流速后，滲流曲線為線型，但不過原點。 -
The radiation spectrum for relativistic electron moving along curved spiral curve in plasmas is calculated, and also the formula of total energy emitted by a relativistic electron in vacua is derived
計算了等離子體介質中，沿彎曲螺旋線運動的相對論電子的輻射譜，進一步導出了真空中的能量輻射公式 -
With summarizing and describing systematically the fundamental principles and research developments of electromagnetic field in the motor, finite element analyses ( fea ) of electromagnetic field of engineering, the switched reluctance motor ( srm ), and iron losses of motor cores, taking the common four - phase, 8 / 6 - pole srm as the object of study, this paper analyses, calculates, and then simulates the electromagnetic field in the srm using 2d finite element method, and obtains the - i - characteristics as the magnetization curve of the srm with the data derived from the results of fea
本文在系統地總結和描述電機內的電磁場、工程電磁場有限元分析、開關磁阻電機（簡稱sr電機）以及電機鐵心損耗基本理論和研究進展動態的基礎上，以常見的四相8 6極電機作為分析對象，進行sr電機磁場二維有限元分析與計算，對電機內磁場進行了模擬，並通過有限元計算所得有關數據獲得- i -形式的sr電機磁化曲線。 -
The projection and section curve graphs of workspace boundary surfaces for 6 - sps type pmts are drawn. results of analysis show that the theoretic workspace of 6 - sps trpe pmts is enveloped by 30 surface patchs. input and output ewtons of displacement analysis for double - octahedron variable geometry miss pmts are established, analytical expressions for determining singuledty configuration are derived
分別推導出了znys ztps型、 ips 3tps型和ipt ztps型並聯機床奇異倉形判別的解析表達式，得到了奇異曲面方程，並由邊界曲面分析方法得到了lps 3tps型和ipt ztps型並聯機床的工作空間，文中給出了以上混聯結構並聯機床奇異位形與工作空間分析的數值實例。 -
This paper studies the typical two - unit series maintained system, the distributing of the units life have been known. by random sample to the life of units and simulate with computer, uses monte - carlo method, counts the failure time of every unit, and failure rate - the reliability character of two - unit series system is derived, together with its curve
摘要研究了典型的兩元件串聯的可修系統，在已知元件的壽命分佈的條件下，應用蒙特卡羅方法，對元件的壽命進行隨機抽樣並進行計算機模擬，通過統計每個元件故障的次數，得出了兩元件串聯可維修系統的可靠性特徵量故障率，並繪出了曲線。 -
First of all, by establishing the observation model of complex harmonic signal and complex linear chirp signal respectively under the co - jamming of additive and multiply noise, the paper constructed cyclic moment detectors of different orders, deduced snr expression of the detector through theoretic analysis, discussed the relation of detector performance and noise statistical characteristic. the curve of detection performance is obtained through monte carlo simulation test, proving the related conclusion derived
首先，論文分別以加性和乘性噪聲聯合干擾下的復諧波信號和復線性調頻信號為觀測模型，構造了基於不同階次的循環矩檢測統計量，從理論上推導出了檢測器的信噪比表達式，分析了檢測器性能與噪聲統計特性的關系，通過monte - carlo模擬試驗得到了檢測性能的曲線，驗證了推導的有關結論。
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