equation item 中文意思是什麼

equation item 解釋
方程項
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  • item : n. 1. 條，條款，項目，品目，細目。2. （新聞的）一條，一則；（戲劇的）節目。adv. 〈逐條列舉時開頭用〉又，同上。
  1. The second aspect is the study and application of fitting method after introducing curve fitting method, we will study least - squares procedure used frequently in engineering fields. in addition, we will encode according to item requirement and least - squares procedure algorithm, then using the data picked from image processing to fit the equation we needed

    在介紹了曲線擬合方法之後，主要研究工程設計中常用的最小二乘法，根據課題要求以及最小二乘法的演算法要求編寫源碼，將圖像處理后採集來的數據擬合成所需要的方程。
  2. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤子作為光纖飛秒孤子的模型，通過新近建立的mnls孤子直接微擾理論，研究光纖中由拉曼效應引起的飛秒孤子在傳輸中的自頻移，以及通過頻率濾波對自頻移的抑制。為此，首先給出描述mnls孤子的各物理量，然後用mnls孤子直接微擾理論，解析地得到這些問題絕熱近似下的孤子參數演化，並由此選擇頻率濾波的參數，最後用分步傅里葉方法，在對非線性項微商的演算法做出了適合於mnls孤子的改善後，對拉曼效應及頻率濾波進行了直接數值模擬，其中頻率濾波參數用微擾理論確定。
  3. In this paper, the standard three - dimensional k - two - equation turbulence model which modifies the item of buoyant effect and simple algorithm are adopted, wall functions are used to deal with the boundary condition and a simplified method - box method is used to model the supply air boundary condition

    本文數值計算採用經過浮升力項修正的k -兩方程模型和simple演算法，壁面邊界條件採用標準壁面函數，風口邊界條件採用盒子方法。廠房內的氣流運動主要受風口出流動量的制約，因此選擇合理描述入流邊界條件的風口模型對數值模擬至關重要。
  4. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程模型和simple演算法，應用壁面函數法處理邊界條件，對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  5. In order to gain a better understanding of the mechanism of airflow reversal in a non - diagonal airway of a horizontal network, the relationship and difference between the path integral of the convection item contained in the movement equation and the pressure increase induced by cooling of fume were discussed

    為加深對水平網路中非角聯旁側支路風流逆轉機理的認識，對運動方程中對流項的沿程積分與冷抽力的聯系與區別進行了討論。
  6. Firstly, we investigate the dirichlet problem ' s comparison principle on a bounded subset for this fully nonlinear intergro - differential equation, at the same time we must assume the measure in the intergro - differential item is absolute continuous

    首先研究這類完全非線性積分微分方程在有界區域上dirichlet問題的比較原理，此時須假設積分項所涉及的測度是絕對連續的。
  7. Based on chinese tracking and data relay satellite ( ctdrs ) in the future, the antenna pointing control and complex control theory of user satellite are studied deeply in this dissertation, which is funded by the improve item of dept. of astronautic engineering and mechanics ? “ the teaching demonstration of antenna pointing control system in tdrss ”. the main contents of this dissertation are consisted of the following parts : firstly, dynamics equation is derived using lagrange equation for user satellite, so as the kinetics equations of user satellite at the same time are expressed in the form with matrix differential equations that is suitable for attitude control system design and analysis

    本學位論文結合航空宇航科學與技術學科研究生教學基地實驗室建設項目「中繼系統星間鏈路天線指向控制系統教學與演示實驗」 ，以我國跟蹤與數據中繼衛星系統為背景，對某型號用戶星星間鏈路天線指向跟蹤控制和復合控制理論進行深入的研究，研究內容主要包括以下幾個方面: 1 .利用lagrange方程建立了用戶星的動力學方程，同時推導了運動學方程，並將這組動力學方程以矩陣微分方程形式表示，使之適用於姿態控制系統的設計和分析。
  8. The thesis is one sub - item of machine vision system, is aimed to study the application of image processing and recognition technique in vision system, and to fit curvilinear equation. then, computer communicate with dsp controller through com communications and dsp control two stepping motors to realize cross motion and longitudinal motion. for this, the paper mainly includes two aspects as follows : the first aspect is the design of image processing and recognition

    本文是機器視覺的研究項目中的子項目，主要研究圖像處理與識別技術在機器視覺系統上的應用，以及對識別出曲線擬合成方程，作為上位機採用串口通信輸出到下位機，下位機由dsp控制兩臺步進電機進行橫向和縱向運動，本論文主要研究上位機部分，包括以下兩個方面的內容。
  9. In this paper, according to the fluid dynamic theory, mathematical model of the pressure transients accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines is given, based on the continuity equation and motion equation. the mathematical models of friction item, the growing and collapsing of gas bubbles and cavitation are also introduced

    本文通過流體力學分析方法，在連續性方程和運動方程基礎上，建立了低壓液壓管路中伴隨氣泡和氣穴產生的瞬態壓力脈動數學模型，給出了動態摩擦力數學模型及氣泡和氣穴產生及破滅數學模型。
  10. In this paper, we investigate comparison principle for semicontinuous viscosity solutions of fully nonlinear elliptic equation with nonlocal intergro - differential item. this kind of equation is from diffusion process with jumps and has important application in stochastic control and finance mathematics

    本文研究一類帶有非局部積分項的完全非線性橢圓型方程粘性解的比較原理，這類方程源自帶跳躍的擴散過程，在隨機控制，金融數學中有廣泛而重要的應用。
  11. In the third chapter, we discussed the problem about partial differential equation with small parameter on the high - order item

    第三章主要對小參數在高階項的偏微分方程進行討論，也就是一般意義上的邊界層問題。
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