模型率定曲線 的英文怎麼說
中文拼音 [móxínglǜdìngqūxiàn]
模型率定曲線
英文
model rating curve- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 率 : 率名詞(比值) rate; ratio; proportion
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 曲 : 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...
- 線 : 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...
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
- 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
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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、波段組合進行了評價,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;發現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率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率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」范圍內的波段是進行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,是進行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。The variable parameter taper equation was built with diameter determination datas of different parts of cryptomeria fortunei plantation sample wood, in combination with the relative tree height curve mode and other assistant equations, volume table of c. fortunei plantation standing was compiled, and provided the scientific basis for the production and application
摘要利用柳杉人工林樣木各部位直徑測定數據,建立可變參數削度方程,配合威布爾分佈函數、相對樹高曲線模型及其他輔助方程,編制了柳杉人工林林分出材率表,為生產應用提供科學依據。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率分佈曲線出發,根據梯度介質球內光線傳輸的理論模型,用光線追跡的方法分析了327 #微球透鏡的反光性能,並對最佳性能條件進行了總結分析,發現效果提高並不明顯,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,並用光線追跡方法進行了詳細的分析,最終得到了良好的效果,並對結果進行了一定的分析解釋。At first, the dynamic mathematic model is created in the light of the known dimensions and structure. then base on the mathematic model, dynamic analysis of the system is studied by drawing the open - loop bode diagram closed - loop bode diagram and step response curve using the analysis and calculating function of matlab. the influence factor on frequency character steady and performance of the system is also analyzed
首先,根據已確定的尺寸參數和結構需要,計算並建立起系統的動態數學模型,然後在已知系統數學模型的基礎上,利用matlab語言強大的分析計算功能,對系統進行動態分析,通過畫出系統的開環bode圖、閉環bode圖及系統的階躍響應曲線,分析了系統的頻率特性、穩定性及系統性能的影響因素。The basis of ar model was complementally introduced in chapter 3 and through which different ar curves for several types of application purposes were suggested. another constituent of ar model, operations of ear and aar were defined based on a simple occupant counting and ar curves
論文第三章建立了煩惱率模型,同時也給出了適用於不同使用場合的煩惱率曲線,並在煩惱率曲線的基礎上定義了煩惱率期望值和煩惱率平均值運算。After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data
在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換線路模擬測試,針對不同頻段的測試結果,採用最小二乘擬合法對模擬曲線進行擬合,計算出相應的能量數據,最後綜合模擬結果確定出減小器件開關損耗,提高dc0c轉換線路效率的器件輸出電容cob優化曲線。In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project
在動態數值分析中,針對世紀塔變截面的塔身,曲線軸線的拱以及柔性拉索相互耦合時清況,建立兩種有限元計算模式,利用有限元軟體algorfeas得到動力數值分析的結果,如:自振頻率、振型、動位移、動應力等等,再和振動臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設計和施工提供強有力的依據,而且為類以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。Abstract : determined the power - time curves of the promoter bacteria of ganoderma lucidum for e. coli, using 2277 thermal activity moniter, a new experimental model of promoter bacteria growth were established. the growth rate constant and heat output at different concentration of ganoderma lucidum have been calculated. from - c and q - c curves the optimum concentration has also been established
文摘:用熱活性檢測儀測定了天然藥物靈芝對大腸桿菌起促菌作用的熱功率-時間曲線,並根據曲線建立了細菌生長的新的實驗模型,按新模型計算了促菌作用下的生長速率常數,發熱量及最佳促菌濃度。Considered the present condition of liaoning province, the evaluation and prediction method of liaoning province bridge technique condition is analyzed, then bridge condition changed - contingency evaluated method is introduced, negative index curve is chosen as the regression analysis model of the bridge condition prediction, and based on the information of bridge management system in the liaoning highway, the parameters of model are calibrated, the average repaired life of bridge is also calculated, the definite method of the bridge ' s repaired year is given, at the same time the markov chain model of bridge condition prediction is presented
結合遼寧省的橋梁工程及管理具體情況,研究了遼寧省橋梁技術狀況評價與預測方法,引入橋梁缺損狀況變權評定方法,選擇負指數曲線作為橋梁缺損狀況預測的回歸分析模型,並依據遼寧省干線公路橋梁管理系統中的橋梁狀況信息,標定了模型的參數,計算橋梁中修及大修(或改建)的平均年限,給出橋梁大中修年份的確定方法,同時也建立了橋梁缺損狀況預測的馬爾可夫鏈概率模型。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率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率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行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;並從接收信號功率的角度出發,通過理論推導及模擬曲線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行研究時,可以只採用corazza模型來對實際的通道進行建模,這樣可以避免重復的建模工作並提高研究工作的效率和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現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現時的可靠性和可行性,從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained
根據協同原理,即相關聯的隨機方程動態地處于同一概率水準,採用模糊隨機加權線性回歸方法對試驗數據進行擬合,得到了三參數的應力-壽命模型均值和均方差曲線,從而求得在給定應力下各可靠度的疲勞壽命。Finally, in consideration of the characteristics of the differential balance mechanism, a more accurate virtual prototype of the mechanism is established and the simulation is carried out in the software environment of adams. the angular velocity curves of the relevant parts and the natural frequency of the mechanism are got. the results may be helpful to the improvement and the application of the mechanism
最後,綜合考慮了輪齒嚙合剛度、搖臂軸扭轉柔性及齒輪傳動回差對差動平衡機構的影響,建立了能夠比較完整地反映該機構動態特性的虛擬樣機模型;在adams軟體環境下,對差動平衡機構的虛擬樣機模型進行了動態模擬,得出了能反映該機構動態特性的關系曲線,並確定了其固有頻率,為該機構的改進及其在月球車上的實際應用提供了參考依據。Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled
( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、孔壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。The simulated test of the mechatronics soft start equipment is made regarding the experimental platform of belt conveyor as load, the sensor design is had for selecting type, the testing datum are gatherd and analyzed, the rational curve of velocity in the starting and braking progress are gained, the best matching ratio of driving power for the double asynchronous moters is found
以帶式輸送機實驗臺為負載進行了機械電子式軟起動裝置的模擬試驗,對傳感器進行了選型設計,對試驗數據進行了採集與分析,確定了合理的起、制動速度曲線,求出雙電機驅動功率的最佳配比。It is the basis of oas to construct zero coupon yield curve and define interest rate term factors model. the key of oas is to select a kind of interest rate scenario simulation and evaluation methodology fitting abs / mbs
其中,零息票收益曲線的構造和利率期限因素模型的定義是期權調整利差法的基礎;選擇適合資產抵押支持證券的利率情景模擬技術和估價技術是其關鍵。Through the loss model of lim, best efficiency control scheme is proposed based on the vector control, by which low efficiency of lim under light load or low speed is improved. the control scheme is proved effective through simulation under a specified speed - location curve
通過建立電機損耗模型,在矢量控制的基礎上設計了最優效率控制策略,解決了輕載或低速運行時的效率低下問題,通過指定速度位置曲線下的模擬分析驗證了控制策略的有效性。We can conclude that in china, is curve is very sharp and its limited scope, lm curve is not so steep, and bp curve is sharp and sticky. the 2nd chapter describes the monetary policy and public financial policy within the fixed exchange system in china. with the hypothesis about chinese economic reality, we can discuss the validity of our country ’ s economic policy and the problems of their coordination
這樣的前提假設並不完全符合中國的實際,經過分析,我們可以附加總供給彈性較大、資本不完全流動、固定匯率以及國際收支盈餘等假設,通過這些假設前提,我們可以得出一個擴展的m - f模型,從而可以得出一些結論? ?其中包括了中國陡峭的is曲線及其有限的移動范圍、平緩的lm曲線和陡峭的bp曲線及其粘性,為進一步分析我國宏觀經濟政策的效果作了鋪墊。The model developed previously is used in calibrating the threshold value of both comfort level and convenience index of roadway alignment, and in developing safety analysis model for some existing black spots
本文在大量行車實驗數據的基礎上,分析得到如下成果: 1 )在平曲線半徑上定性、定量的分析了加速度、速度與心率增長率的變化關系和模型。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,其計算結果與現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,程序運行時分為計算累積釋放百分率和優選最佳數學模型兩個相互連接又各自獨立的環節,實現了累積釋放百分率的自動計算,同一坐標系下釋放曲線的直觀比較,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、非線性優化問題,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。Three advanced issues are studied. they are the statistical distributions for the errors of the average s - n relation fitting into the test data, the maximum value model for the probabilistic model, and the material probabilistic fatigue strength under spectrum - loads
論文圍繞均值s - n曲線擬合s - n數據誤差的統計分佈模型、測定概率s - n曲線的極大值模型和基於極大值模型的譜載荷下材料的概率疲勞強度的測定三方面,開展了較為深入地研究。分享友人