square variable 中文意思是什麼
square variable
解釋
卡方變量-
In order to satisfy the veracity and the robustness against time - variable noise of the aoct, a new square root kalman adaptive filter arithmetic with time - variable noise statistic is presented in this paper. in addition, the wavelet analysis is applied to inspect the singularity of the measured current, and an adaptive signal - noise decomposer for aoct is designed
為了滿足aoct自適應控制的準確性和時變噪聲魯棒性的要求，論文將kalman濾波理論引入到自適應濾波中，並應用矩陣理論提出了一種新的時變噪聲統計的平方根kalman自適應演算法。 -
A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms
基於實驗曲線構建了最小二乘形式的目標函數，並採用傳統優化方法輔助設計了各個決策變量的搜索空間，進而用遺傳演算法確定了損傷型zwt非線性粘彈性本構關系中的材料參數。 -
Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air
經過本文研究發現，利用cfd技術可以有效地對空調室內氣流組織設計進行指導，全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下，利用具有良好貼附效應的送風口如方型散流器和條縫風口送風，空調室內的溫度場和速度場較均勻，室內的熱環境良好。 -
Cost models of reliability growth of equipments are built, and the results show that partial least - square regression is more capable of building cost models reflecting correct relations among multivariables compared with normal multi - variable regression method
結果表明，與一般的多元回歸分析相比，偏最小二乘回歸分析避免了自變量之間多重相關性帶來的問題，能夠得到與實際經驗相符合的模型。 -
In this paper, we give a kernel shape estimation of m ( x ) using variable bandwidth local linear refression approch, and discuss the asymptotic normality, the convergence rate of mean square and convergence rate with probability
本文對上述模型，利用變窗寬局部線性回歸方法，給出了m （ x ）的核形估計，並討論了這一估計的漸近正態性、依概率收斂速度、和均方收斂速度。 -
With process data of blast furnace no. 1 in tianjin iron plant, the parameters, ru and sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively
以可預測率、預測命中率、趨勢預測命中率及平均誤差平方和為評價標準，確定了各影響因素的警戒參數ru和濾波參數sita的優化值范圍。 -
It is indicated that, when a two - speed motor is used for driving oil transfer pump, the motor with the characteristic of torque reduction on square rotary speed should be chosen ; the working economy of the variable speed pump is restricted by the characteristic curves of pipeline resistance, and its speed control range is restricted by the pipeline resistance characteristic curve, the pressure head needed by the system and the working characteristic of the pump ; when several pumps work in parallel, the pump with better performance should be changed into speed - variable pump
指出雙速電動機用於輸油泵的調速時，應選用轉矩按轉速平方降低特性的電動機；調速泵的運行經濟性受到管路阻力特性曲線的限制，其調速范圍受到管路阻力特性曲線、系統所需揚程和泵運行特性的限制；在母管制系統中把部分定速泵改為調速泵時，應將性能較高的定速泵改為調速泵。 -
On one hand, from the technique of constrained least squares and limited energy of additive noise, an effective restored approach by adopting regularization method to overcoming ill - posed problem, solving an equation with a single variable, and using space iterative algorithm is proposed ; on the other hand, aiming at the restoration of blurred image, another effective restoration approach based on least - square algorithm is also proposed in this paper. this method firstly adopts increment iterative algorithm to improve convergence and meanwhile applies regularization technique to overcome ill - posed problem. in the computations, the regularized parameter has its adaptive character, which can be determined in terms of the restored image at each iteration step therefore automatically correct to the appropriate value
一是從約束最小二乘出發，在加性噪聲能量有界的前提下，採用正則化方法來克服病態問題，通過解一個單變量方程，並利用空域迭代運算實現了一種有效的圖像復原;二是針對模糊圖像的復原問題，從最小二乘演算法出發，採用增量迭代的方法改善演算法的收斂性，同時結合正則化技術克服問題的病態性質，並引入自適應的正則化參數，使其與圖像復原的迭代運算同步進行並自動修正到最優值。 -
As air distributor in a variable air volume system, the performance of slot diffuser is the best one, but the type of diffuser is too expensive, so at home many firms try to choose square diffuser
條縫形散流器作為變風量系統的空氣分佈器其性能是最好的，但這種條縫形散流器過于昂貴，故國內許多公司選擇採用方形散流器。 -
Through thorough analysis, we finally drew that on condition of experiment, square diffuser could ensure good air distribution when air supply volumes ranged from 40 to 50 percent or 80 to 100 percent of the maximum air supply volumes. when air supply volumes ranged from 50 to 80 percent of the maximum air supply volumes, square diffuser could not be very ideal with a variable air volume in a cooling mode
經過全面分析，最後得出主要結論：在實驗條件下，當送風量處于最大送風量的40 50或80 100范圍內時，方形散流器可滿足室內氣流分佈的要求；當送風量處于最大送風量的50 80范圍內時，方形散流器用於變風量系統供冷工況不理想。 -
Then, from the expressions of structural random response of the frequency domain, the computational expressions of the mean value, variance and variation coefficient of the mean square value of the structural displacement and stress response under the stationary random excitation or non - stationary random excitation are developed by means of the random variable ’ s
在此基礎上，從隨機振動頻域分析出發，導出了在平穩或非平穩隨機激勵下，隨機結構的位移響應均方值、應力響應均方值的數字特徵計算表達式，通過算例驗證了所建模型和所提求解方法的正確性和有效性。 -
The main contributions of this thesis are as follows : ( 1 ) the conventional minimum output energy ( moe ) algorithm has the global convergence but its stable excess mean square error is high and it ca n ' t converge to the minimum mean square error ( mmse ). in this thesis an equivalent decision feedback moe ( df - moe ) algorithm variable step - size is presented and analyzed
主要工作可以概括如下： （ 1 ）針對最小輸出能量檢測器（ moe ）具有全局收斂，但是穩態剩餘均方誤差比較大，無法收斂到最佳mmse檢測器的特點，提出並分析了一種等效的判決反饋變步長moe檢測演算法（簡稱df - moe ： decidedfeedbackmoe ） 。
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