fitted curve 中文意思是什麼
fitted curve
解釋
擬合曲線-
The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well
本文利用一維軸向擴散模型對降液管中液體流動進行了數學描述，用時間域最小二乘法擬合了模型參數，模型方程所作曲線與rtd曲線吻合較好。 -
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編程語言編寫的曲線擬合模塊，對輸入的實驗數據進行了最小二乘法的曲線擬合；根據曲線擬合結果可從帶激勵線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率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率及其電氣網路參數。同時，採用當前比較先進的web技術，實現了基於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。 -
Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles
其次，採用成組試驗法，對汽車前橋進行了疲勞壽命試驗，藉助概率統計方法對試驗結果進行了分析計算，得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差，採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合，得到了前橋的s - n和p - s - n的關系。 -
Works on the bending roll system of four - roll rolling mill, the workroll shape variation caused by the force of bending roll and the contact stress between rolls was researched with the fem software ansys, the maximum deformation of the work roll was calculated, and the curve of the gap adopting the least - squares method was fitted, which set the base of the further calculation of load - gap shape
摘要以四輥軋機的彎輥系統為研究對象，利用有限元分析軟體ansys研究彎輥力和輥間接觸應力引起工作輥形狀的變化，計算工作輥彎曲的最大變形量，並用最小二乘法對輥縫曲線進行擬合，為進一步計算有載輥縫形狀提供可靠的理論依據。 -
This process is as follows : firstly, the data of different section contour and of section line have been obtained by reverse - engineering ; secondly, non - uniform b - spline approximation algorithm is used to fit the discrete data ; then the data have been optimized and reduced by adopting adaptive sampling of key points of the fitted curve based on vertical distance, sequently the adaptive sampling data is transformed into the format of the. ibl file of the famous 3 - d design software pro / e. therefore we reconstruct the surface and a model is generated ; lastly, the effectiveness of the adopted algorithm and modeling approach are demonstrated by the experiments
建模型的過程中，首先運用逆向工程測量方法，獲得曲面物體上不同截面輪廓線的測量數據點列，接著對測量數據點進行平滑處理，用最小二乘法求解基於數據點列的控制多邊形，以非均勻三次b樣條曲線擬合截面輪廓曲線；然後利用基於垂距的數據采樣演算法，對擬合曲線上的數據點進行重新采樣，達到優化數據點的分佈及減少描述曲線數據量的目的。 -
A control method is presented where least square arc approximation and timed interpolation are employed. using it, the number of segments of fitted curves is made minimum while the accuracy is guaranteed, so that data transmission between cad and cnc systems is decreased and setted feeding rate can be realized. this method has already success fully been used for flame cutting and controlling saddle - backed curve for pipe connection when feeding rate is required to be higher
提出了一種採用最小二乘法圓弧逼近及定時插補控制方法，在保證精度的前提下，可使擬合圓弧段數最少，從而減少cad系統與cnc系統的數據傳送，可實現給定進給速度.該方法已成功地應用於要求較高進給速度的接管馬鞍型曲線火焰切割擬合控制 -
Based on the threshold idea of threshold regression model, the threshold factors and threshold values are introduced and determined by the correlation analysis method of best curve fitted in conventional regression model
借鑒門限自回歸模型的門限思想，在常規回歸模型中引入門限因子和門限值，利用提出的最佳擬合相關分析法確定門限因子和門限值，建立了門限回歸模型。 -
The study on retarded creep behavior using creep theory under condition of reservoir water lever in stabilized status for one and a half year demonstrates that the viscous coefficient of sliding soil shall increase as creep procedure continues, meanwhile, the displacement process of landslide surface area fitted by logarithmic curve matches closely with measured values
以蠕變理論研究在庫水位穩定一年半的條件下滑坡的減速蠕變現象，證明滑帶土粘滯系數隨蠕滑過程不斷增大，以對數曲線擬合滑坡表部位移過程與實測值吻合較好。 -
The points of internal gear are fitted into spline curve by spline function, then the internal gear is manufactured in nc wire - cut machine. the process of manufacturing the internal gear in wire - cut machine is studied. compared to the traditional method of manufacturing in special machine this process is a breakthrough
利用樣條函數對中心輪內齒圈齒形點進行擬合，利用軌跡法在數控線切割機床（ bkdc ）上實現了中心輪內齒圈齒形的加工，並對在數控機床上加工的工藝進行了研究。 -
( 6 ) through studying the aging character of composite geomembrane and the relationship between stress or strain with tune, the corresponding curve was fitted and its current of development was forecasted, in the last, combining the stress of dam calculated, the suit composite geomembrane was selected
（ 5 ）採用鄧肯模型對未加固前的大壩進行非線性有限元分析，研究了大壩加固前的初始位移應力狀態； （ 6 ）對復合上工膜的老化性能進行長期試驗研究，分析其應力應變隨時間的變化規律，擬合出相應的曲線，預測其發展趨勢。 -
At last, straighten anti - curve line is fitted
最後對逆直線進行擬合。 -
A method, concerning screw mechanism, electronic scale and the way to obtain the fitted curve, to detect the hysteresis of cylindrical helical spring with micro - capacitance measuring technology and to compensate the hysteresis with micro - controller technology is introduced
摘要介紹一種利用微電容測量技術檢測圓柱螺旋壓縮彈簧遲滯和利用單片機技術對遲滯進行補償的實驗方法，該方法涉及螺旋機構、電子秤和擬合曲線的求法等。 -
The tuning curve of type - i phase matching of bbo opo are measured with accuracy ; the maximum conversation in total of the system is about 31 % at 615. 6 nm, and it is fitted well with the gtp formula ; in the end we compared the output linewidth and unstable cavity far field beam qua lity of the bbo opo under the condition of type - i phase matching and type - ii phase matching, it is proved that we can obtain the parametric output of linewidth less than 0. 3 nm and the beam divergence angle approaching diffraction limits by take the advantages of type - ii phase matching and unstable cavity designs
測量了該系統的轉換效率最大為31 ，並能與理論公式極好地吻合，最後比較了在類相位匹配條件下和類相位匹配條件下的bbo - opo的輸出線寬，以及非穩腔的遠場光束質量，實驗結果表明，利用類相位匹配以及非摘要穩腔設計可以獲得線寬小於0 3nlm 、光束發散角接近衍射極限的參量光輸出。 -
The methed of least squares with interpolation condition was proposed in this paper and the concrete expression of the fitted curve using least squares with interpolation condition was obtained
摘要提出了帶插值條件的最小二乘擬合問題，並給出了帶插值條件的最小二乘擬合曲線的具體表達式。 -
At first, based on the 272 station monthly precipitation in china, the paper described the heterogeneous of the spatial distribution precipitation by use of the curve of lorenz and the coefficient of g. the results show that the heterogeneous of the spatial monthly precipitation in summer is stronger than in winter. based on this describing, the probability distributions function of the spatial distributions are fitted by use of the gamma distribution model, and this general principle is examined. the results show that the gamma distribution is good on describing the heterogeneous of the spatial distribution precipitation in china
並以分佈擬合中國區域月降水量的空間概率分佈，擬合效果優良，表明描述中國區域月降水量水平空間分佈非均勻性的普適分佈律以分佈的pdf最為適宜；以1 、 4 、 7 、 10月具有代表性的資料為例分析了各季月降水量空間分佈型的主要特徵及其形成原因，並從一個側面表明我國月降水量空間分佈的偏態性正是我國降水氣候的最顯著統計特徵之一，這也與我國大陸性季風氣候特點密切相關；並且月降水量的基尼系數和分佈模式形狀參數值都是夏季大於冬季，說明月降水量的空間分佈非均勻性夏季比冬季弱。 -
According to testing results, the stress - strain curve of the cemented soil stabilized the nanometer silica fume is fitted using a quadratic parabolic curve and expression equation for upward sector of the stress - stra in curve is given
根據試驗結果，分析了納米硅粉水泥土的變形特性，並對其應力應變曲線進行了二次拋物線擬合分析，推導了曲線上升段的表達式。 -
By laplace transforming the governing equation of the problem of unidirectional fiber reinforced composite materials, the formulae for predicting the viscoelastic relaxation moduli in laplace transformed domain are obtained. according to correspondence principle of viscoellastic mechanics and elastic, mechanics, the results of effective moduli for several s are obtained by using the finite element method of the homogenization. then effective relaxation moduli should be curve - fitted, according to the viscoelastic relaxation modulus formulae of many viscoelastic materials
首先對單向纖維增強復合材料粘彈性問題的控制方程進行laplace變換，在像空間s中利用均勻化理論建立宏觀鬆弛模量的laplace變換泛函形式，根據粘彈性-彈性對應原理，用均勻化問題的有限元方法預報單向纖維增強復合材料在相空間中多個離散點的本構關系，然後根據典型粘彈性材料的鬆弛模量具有的函數形式進行曲線擬合，再通過對擬合出的函數進行laplace逆變換，從而再回到時間t域，就得到了單向纖維增強復合材料的鬆弛模量。 -
The viscoelastic relaxation moduli in time domain are obtained by the inverse laplace transform of the curve - fitted formulae. the method takes advantage of rational curve - fitted formulae and avoids complicated numerical inverse laplace transform
該方法利用合理的曲線擬合函數避開了復雜的數值laplace逆變換，使得單向纖維增強復合材料的粘彈性性能的確定變得容易。 -
Numerical example was presented. on base of those, effective relaxation moduli could be curve - fitted by the function form of the three - parameter solid model
在此基礎上，用類似粘彈性三元件固體模型的形式去擬合離散的數值結果，得到了鬆弛模量更簡單的解析表達式。
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