fitting criterion 中文意思是什麼
fitting criterion
解釋
擬合準則-
With the experiment part, the errors of sk - 21 nc machine tool have been measured, and a serial of data is gotten which lead to the error discrimination. ( 3 ) based on the kinematical theory of mbs, the calculation methods for the ideal center envelop curve of grinding wheel on cam grinding, the practical cutter track, inverse contour of cam, ideal nc instructions, precision nc instructions, the inner / outer normal and the fitting criterion of curve have been all discussed in detail in this paper
（ 3 ）通過精密加工的約束條件方程，探討理想刀具路線、逆變數控指令與實際刀具軌跡之間的映射關系，解決誤差補償技術提高加工精度的核心問題? ?當要求數控磨床的砂輪中心準確到達給定的理想點時，精密數控指令值究竟該是多少，如何能夠通過計算，獲得這樣的數控指令值，給出經修正的數控指令計算方法。 -
Without using a model whose topology is known for mesh fitting, the algorithm simplifies the 3d surface topology problem to 2d surface topology problem by projection. then the best 3d surface topology is deduced using the minimum summing of spans criterion based on the " minimum offset " criterion which is proposed in this paper to determining the points links between two adjacent contours. the custom software is designed for 3d rendering using opengl interface
為解決不平行輪廓的重建問題，本文用投影的方法把三維表面拓撲結構問題轉化為二維表面拓撲結構問題；為確定平面輪廓間點的對應關系，本文提出基於最小偏移量準則的輪廓拼接演算法並用跨段之和最小準則來確定輪廓拼接的起始點和最佳可接受的表面，從而確定三維表面的拓撲結構。 -
To assaying the effecting of shan " xi highway building on road - area circumstances and soil lapse, in the paper which embarks from condition of nature resource, factor of human literature, effect of field, feature of constitute of traffic vehicle and outcome of experiment researching in freeway of xi " hu and so on. on this base it also expounds policy strategy of ecology environment in shan " xi road building. by investigating the compatibility of traffic in shan " xi, it expounds perspective traffic of device fit for shan " xi " s all kinds of corresponding road. based on assaying existing criterion of route, propriety adjusting criterion of route of shan " xi, then expounding highway building criterion fitting for shan " xi region so as to improving highway device of shan " xi region. ameliorating road environment and saving works fund
在此基礎上提出陜西公路建設生態環境保護的政策策略；研究了陜西公路交通量適應性，提出適合陜西地區的各級公路相應的遠景設計交通量；在分析陜西公路現有線形標準基礎上，對陜西地區公路建設的線形標準適當調整，提出適合陜西地區的公路建設標準，以優化陜西地區的公路設計，改善公路環保和生態環境，節約工程資金；研究並提出陜西高等級公路路線綜合評價方法和評價方案；通過對西戶線高速公路路基試驗研究，提出適合陜西關中地區路基回彈摸量值以及路面結構設計參數，以供路面設計時參考查用。 -
In this paper, the working fluid is air. experimental study of the nine different structure parameters of 3 - d ift with staggered arrangement fins in the reynolds number range of 250 to 30000 is performed to investigate the characteristics of heat transfer and flow friction behavior. analyses and reduces the experimental data by the least square method, obtains the nusselt and fanning friction fitting criterion equations
本文以空氣為工質，在re 250 30000范圍內對九根具有不同肋形結構尺寸的肋叉排三維內肋管的換熱及流動特性進行了研究，並運用最小二乘法分析和處理實驗數據，獲得努謝爾特數，范寧摩擦系數與雷諾數，肋幾何參數的準則方程式。 -
The estimation procedure is based on the steady - state characteristics versus slip curves. the sum of squares of differences between calculated and experimental characteristics is employed as the fitting criterion. the machine parameters are obtained by minimizing the least - squares cost function using genetic algorithms
該方法利用電機穩態特性曲線，以特性計算值和實驗值的擬合誤差的平方和作為判斷準則，通過應用遺傳演算法最小化二乘準則函數來獲取電機參數。 -
Applying viscoelastoplastic theory, the modified nishihara model was extended into three dimension, the yield criterion and flow vectors fitting for computing were attained. according finite element theory, the computing method and step of nishihara rheological model was given, numerical simulating of three point bending creep test was performed and the results were coincided with that of test
運用粘彈塑性基本理論，對改進后的西原流變模型時空離散並拓展到三維空間，給出了適合數值計算的屈服準則和流動矢量求解方法；給出了西原流變模型數值計算基本方法和步驟。
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