polynomial model 中文意思是什麼

polynomial model 解釋
多項式模型
  • polynomial : adj. 1. 【動、植】多詞學名的。2. 【數學】多項式的。n. 1. 【動、植】多詞學名。 2. 【數學】多項式。
  • model : n 1 模型,雛型;原型;設計圖;模範;(畫家、雕刻家的)模特兒;樣板。2 典型,模範。3 (女服裝店僱...
  1. According to the geometry of slope measurements for the subjective wavefront optometer, a wavefont reconstruction model using zernike polynomial with normalization factor is put forward. based on householder transformation and gram - schmidt orthogonalization method, two methods for working out unknown zernike coefficients are bring forward. the error propagation parameter for the wavefront reconstruction model is deduced

    深入研究了帶標準化因子的zernike多項式的性質;針對主觀式像差儀波前斜率采樣方案,提出了採用帶標準化因子的zernike多項式對眼測試波前進行重建的數學模型;提出了兩種求解方法,即基於householder變換求解法和基於gram - schmidt正交化求解法,用於確定重建模型中的未知模式系數;推導出了該波前重建模型對斜率測量誤差的傳遞系數。
  2. We can find a polynomial model of a time series in case its associated matrix is not diagonal and not of full rank by using the transformations of the exponential and the logarithm

    對于不能對角和不滿秩的時間序列矩陣,運用指數對數的可逆變換及相關的列變換化為滿秩可對角的時間序列矩陣,從而找到代數多項式模型。
  3. In this paper, we first reconstruct a second order polynomial surface to approximate the original point model in the local area of each point, which is then restricted within a so - called - confidence region, producing a - surfel

    摘要在每個點附近重建一個二次多項式函數曲面逼近原點模型,並根據逼近誤差將每個重建曲面限制在稱為置信鄰域的范圍內,從而形成一個面元。
  4. The models currently used are either modified from low voltage mos models or based on macro model of simple polynomial established dddmos drift region resistance, both of which are limited and cannot provide a globally accurate physical model

    業界目前使用的模型只是在低壓mos模型基礎上作一些修改,或者通過用簡單多項式的形式建立dddmos漂移區電阻的宏模型以建模。
  5. This article describes the development process of surrogate models and introduces some experiment design methods and approximation approaches that can be used for a mdo surrogate model, they are full factorial experiment design, orthogonal experiment design, uniform experiment design, central - composite experiment design, and polynomial response surface method, kriging method, radial basis function method and artificial neural network

    為此本文中分別介紹了正交試驗,均勻試驗以及中心復合試驗等幾種試驗設計方法,以及多項式響應面, kriging ,和徑向基函數等幾種數學近似方法。並且通過構造描述機翼展向升力分佈的代理模型,對上述幾種方法作了對比分析。
  6. Second order polynomial regression mathematical model treatment of flow capacity - lift head property curve of centrifugal pump

    揚程性能曲線的二階多項式回歸數學模型處理
  7. Based on the confirmation of driving force of lunar rover, we analyze the relationship between adhesion coefficient of road surface and wheel slip. in our research, several types of wheel force model are referenced among them, and we select the polynomial model with exponential function as the wheel force model of the lunar rover

    圍繞月球車驅動力的確定,本文分析了路面附著系數與滑轉率的關系,以車輛動力學分析中常用的幾種車輪力模型為基礎,選擇了帶有指數函數的多項式模型作為分析月球車車輪附著力的模型。
  8. Firstly, a 0 - 1 integer programming mathematical model is constructed to describe tail - number - assigning work happened in domestic airline, since the problem is npc, a unified polynomial algorithm which satisfies engineering requirement is unavailable. illuminated by the practical experience, a specific tna problem is classified into one of three typical tna modes : tna based on fleet dispatching commands, tna based on fleet balance application, tna based on minimum fleet requirement ; secondly, by simplifying and relaxing some minor constraints, corresponding mathematical models and heuristic algorithms are reconstructed for each typical tna mode ; finally, computing complexities are discussed

    為此論文在借鑒手工編制排班計劃經驗的基礎上,將一個具體的飛機排班問題,歸結為三種典型排班模式中的一種,即:基於飛機調度指令要求的排班問題,基於飛機使用均衡要求的排班問題和基於最少需用飛機數的排班問題,對于每種典型的飛機排班模式,在對次要的約束條件進行簡化、松馳的基礎上構造出相應的能夠滿足工程應用要求的啟發式演算法,並分析了演算法的復雜性。
  9. A mathematic model of reactor, steam generator, pressurizer is developed based on characteristic of pwr coolant system. for reactor, the point reactor kinetics equation with six - group delayed neutrons is used and influence of coolant ' s and fuel ' s temperature is considered, conduction model of one dimension and single - channel model is used in thermal and hydraulic calculation, third - order hermite polynomial is used to solve the point reactor kinetics equation

    對于反應堆,在物理計算中採用了帶有六組緩發中子的點堆方程,同時考慮了多普勒效應及冷卻劑溫度效應對反應性的影響;在熱工水力計算中採用了一維的熱傳導模型與單通道模型;在求解點堆方程中採用了hermite插值的方法,克服了點堆方程的剛性問題。
  10. Therefore, it can be used as an efficient new model for geometric design in the fields of cad / cam. at last, the spatial definition of periodic spline and natural spline constructed by polynomial and hyperbolic functions is given ; the dimension law and zero properties are demonstrated ; and therefore the non - uniform algebraic - hyperbolic period and natural spline curves are obtained. the applications of the low order are given in details

    三、給出代數雙曲周期樣條及自然樣條空間定義,證明其維數定理和零點定理,構造具有最小緊支撐的非均勻代數雙曲周期及自然樣條函數,進而定義非均勻代數雙曲周期及自然樣條曲線,最後具體給出低階的表示和應用
  11. A study on the polynomial regression model of dividends signal

    多元回歸股利信號模型研究
  12. To improve the transmitting characteristic and decrease the output work has a direct effect on the enhancement of the operating property and life - span of the operating mechanism of vacuum circuit breakes. based on the characteristics of polynomial rule of the cam movement, considering the pressure angle of cam device, an optimization model is established, with the coefficients of polynomial rule of cam movement as the optimizing variable, and the minimum output work of the mechanism as the object function. with the optimization tool box of matlab, the optimization process is conveniently completed and the perfect result of optimization design is obtained

    改善真空斷路器操動機構的傳動運動特性,減小真空斷路器的操作輸出功,對提高真空斷路器的操作使用性能及壽命都具有直接的影響.利用凸輪機構的多項式運動規律的特點,以凸輪多項式運動規律的多項式系數為優化變量,以斷路器操動機構最小的輸出功為目標函數,考慮操動機構合分閘時凸輪機構傳動壓力角的情況,建立了彈簧操動機構中凸輪機構的優化數學模型,並利用matlab語言的優化工具箱方便地實現了優化過程,得到了較理想的優化設計結果
  13. In addition, an experimental system using c language is established, including modules such as representation of waveform polynomial, decision of path senstization, delay computing, clocking based on single - period sensitization, clocking based on multi - period sensitization, test generation considering noise and transformation from bit - level waveform polynomial to word - level polynomial model. they respectively used to test models and techniques proposed in this paper

    另外, :基於c語言本人設計開發了一個實驗軟體系統,該系統包括波形多j一貞式表示模塊、敏化通路判定模塊、延時計算模塊、單周期敏化的最小時鐘周期精確確定模塊、多周期敏化的最小時鐘周期確定方法模塊、考慮噪聲的測試生成模塊和位級波形多項式描述轉化成字級多項式描述模塊,分別用於對本文各章中提出的自動化設計的模型和方法進行實驗驗證。
  14. In the late part of the active developing period, the temporal variation of sediment concentration and sediment transport ratio of each rainfall can be expressed by exponent function and the variation presents quadratic polynomial function in the stable developing period. the spatial variation character of sediment yields with space of the experimental watershed model. the active position of soil erosion and sediment yield of the experimental watershed model changes from the downside to the upside with the developing process of the watershed model

    流域模型侵蝕產沙空間變化特徵侵蝕產沙的活躍部位隨流域模型發育過程呈現由流域模型下部逐漸向上部發展特徵,其中流域模型下中部為發育初期時段和發育活躍時段侵蝕產沙的活躍部位,流域模型上部是發育穩定時段侵蝕產沙的活躍部位。
  15. And compared to the vertical wetting front, the rate of horizontal wetting front was 1. 22 times higher. different models were used to fit the movement of wetting front, it is found that the polynomial function was a good model

    粘質(土婁)土,由於質地細小,在滴灌速率為2 . 67l h時,濕潤鋒徑向移動速率遠大於垂向移動速率,前者是後者的1 . 22倍。
  16. We also use polynomial function to model the soil moisture under drip irrigation ; and the function will be useful for design the drip irrigation system and fertigation system. ( 2 ) the amount water added and the way of supplying water and fertilizer were two key important factors to affect the movement, transformation, and leach of urea - n in soil

    比較了不同模型擬合的滴灌條件下土壤濕潤鋒的動態變化,認為多項式模型的擬合程度較好;同時建立了土壤濕潤體水分含量( y )與徑向距離( l ) 、垂向距離( h ) 、實驗時間( t )之間的經驗關系式。
  17. Firstly, wall ’ s transfer matrix is deduced by laplace transformation based on 3r2c thermal network model. secondly, frequency response of transfer matrix is calculated. thirdly, we make the frequency response of transfer matrix of stimulation model equate the theoretical frequency response of wall transient heat conduction by applying appropriate identification algorithm, from which we can obtain every polynomial ’ s coefficient of model transfer function, then each parameter of resistance and capacitance is calculated by appropriate optimization algorithm

    首先,根據模擬熱流網路模型用拉普拉斯變換推出墻體的傳遞矩陣;然後,計算傳遞矩陣的頻率響應;最後,採用頻域回歸方法求出模型傳遞函數各次項的系數,進而通過一定的優化演算法確定模型的各個熱阻、熱容參數,使通過模型建立的多項式s -傳遞函數與墻體瞬時傳熱的理論超越s -傳遞函數完全等價。
  18. And an optimum method of producing the azimuth reference function based on polynomial model is brought out, which has improved the azimuth compression effect successfully. 3

    在對模擬得到的原始數據進行成像壓縮過程中,本文提出了一種由實際距離擬合生成方位向參考函數的方法,成功的提高方位向壓縮效果。
  19. This paper examines some methods, such as contrasting the cash flow indexes with the cash stock indexes within the same industry and contrasting among the segments to decide the assessing period, and using the polynomial model and maximum principle to inversely deduce the enterprise life span, and argues that these methods are significant for reasonably and scientifically identifying the evaluating period

    論文提出利用現金流量和現金存量指標進行同行業對比確定評估期、分階段對比確定評估期、以及利用多項式模型和極大值原理來反推企業壽命的方法,對于科學、合理確定評估期限具有重要意義。
  20. A new method that transforms bit - level waveform polynomial to word - level polynomial model is given, allowing for simple composition. this method offers an efficient way to determine whether two descriptions from different design levels are equivalent, so component reuse, synthesis and verification across design levels can be realized

    木文將位級電路波形多項式描述轉化成字級多項式描述,提供了一種正則、在多項式時間內可構造的、能夠將位級描述轉化成字級描述的模型,月_允許簡單的合成。
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