essential parameter 中文意思是什麼
essential parameter
解釋
本質參數-
Implemental essential for seismic ground motion parameter zonation map of china
中國地震動參數區劃圖的貫標要點 -
The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore
第一章回顧了孔結構在當今國內外的研究現狀，包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀，介紹了孔結構研究方面的一些最重要的成果；第二章敘述了混凝土材料細觀結構的多尺度性及混凝土材料測孔技術的原理，並討論了水泥基多孔材料孔隙分析中常用的表徵參數，也說明了壓汞法測孔對研究結果的影響因素，指出了壓汞法在孔結構研究中的局限性；第三章是著重分析了孔隙率與強度關系模型的發展歷程，並對已有的模型進行了比較分析，指出了原有模型的不足之處；第四章在「綜合集成」的基礎上，提出了混凝土孔結構復合體模型和孔系統的物理模型，並模擬了該模型下由各單體並聯形成的復合體的斷裂過程，最後根據所建模型編制了相應的計算程序，可根據輸入的孔徑分佈與水泥含量等參數，實現混凝土理論強度的計算；第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析，根據回歸分析的方法得到了反映基體強度特徵的k值，並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強度計算產生的影響，檢驗模型的正確性；第六章是結論與展望，根據研究綜述了本文對孔結構的一些研究結論並對孔結構發展作了相應的展望。 -
With the method, all integrals can be easily fulfilled on regular sub - domain boundaries, and to impose the essential boundary conditions, a penalty parameter can be used so that a positive definite and symmetric stiffness matrix may be obtained
計算中，積分都在規則形狀邊界子域上完成，因而容易實現；通過罰因子添加本質邊界條件，從而使得到的剛度矩陣是正定對稱矩陣。 -
The results revealed that the essential condition occurring brittle - tough transition in such ternary system was l ? lc ( ? 0. 095 ? m ), and the effect of above factors on the impact behavior followed percolation mechanism which indicated that it was some reasonable using lc as single parameter criterion of brittle - tough transition of pp / eoc / caco3 composites. the micro - deformation model at different dispersing morphology was then proposed
首次將聚合物復合材料脆韌轉變機理的定量化研究從二元體系拓寬到三元體系，對ppffioc aco3體系的配方進行設計，制備得到高剛性高韌性低成本的聚丙烯復合材料， eoc和cvco3的體積份數之和為25v （其中彈性體相為10v 。 -
The operation and regulation is a weak link of heating engineering. essential reason is lie in the choice of controlled parameter that is very important in heating system, because controlled parameter relates to quality of heat net operation and regulation
供熱系統的運行調節是供熱工程的薄弱環節，根本原因在於供熱系統中被控參數的選擇，被控參數的選擇在供熱系統的運行調節中至關重要，它關繫到熱網運行調節的好壞。 -
The relationship between wave - front aberration and focal spot size was researched roundly, and the essential connection between focal spot energy shape and wave front gradient distribution was discovered, and a smarter parameter to evaluate wave front aberration was founded. based on this, the wave front aberration tolerance confined by focal spot size requirement was obtained through calculation and statistics method. 2
比較全面地分析了系統內部波前誤差與光束焦斑尺寸之間的關系，找到了波前梯度分佈與焦斑能量分佈之間的本質聯系，提出了一個與焦斑尺寸關系最密切的波前誤差參數，並採用數值模擬和統計的方法得到了焦斑尺寸限制條件所要求的波前誤差限制條件； 2 -
So the development of self - energy sf6 cb is very important. in the paper, the math model of arc - quenching chamber air - pressure character is built on the base of 126kv / 31. 5ka self - energy sf6 cb ' s exploiting, then the theory analysis and calculation is deeply been done for cylinder radius, nozzle spout radius and opening position of moved contact that they have the essential effect for the use of arc energy in the course of opening. arc - quenching chamber parameter is confirmed according to the request of full opening and fault opening when the cb is opening
本文針對126kv31 . 5ka自能式sf _ 6斷路器的研製，建立了相應的滅弧室氣壓特性數學模型，對自能式sf _ 6斷路器開斷過程中電弧能量利用有重要影響的滅弧室缸徑、噴口直徑、動觸桿開口位置進行了詳細深入的理論分析和計算，並根據斷路器開斷中的滿容量開斷和近區故障開斷的要求確定了滅弧室參數。 -
To test the time parameter, namely, is to test the operate time, release time and bounce time when the relay ' s winding is put or removed the rated voltage. these parameters ( especially the bounce time ) are very essential to relay ' s rated load
檢測時間參數的目的是檢查繼電器在線圈施加或切除額定電壓時的動作、釋放、回跳及穩定時間，這些參數（特別是觸點回跳及穩定時間）對繼電器通過額定負載是很重要的。 -
This thesis introduces and analyses in detail the research and application of regularization in image restoration, the main contributions and creativities are listed as follows : firstly, on the basis of the regularization technique for dealing with ill - posed problems, starting from the mathematical theories about regularization, analyzing the degraded model and the ill - posed character of image restoration, this paper mainly discusses the regularized parameter and regularized item, and the solution approaches and fast algorithms are also summarized, therefore perfects the essential theories about regularization in image restoration
本文針對圖像復原中正則化方法的研究及應用進行了廣泛深入的探討與分析，主要工作和創新點如下:第一，在正則化技術解決病態問題的基礎上，從正則化方法數學理論入手，分析了圖像的退化模型和圖像復原的病態特徵，重點討論了正則化參數和正則項的選取，並總結了其求解演算法及快速實現方法，完善了正則化方法圖像復原的基本理論。 -
In part, according to the basic principles of structure character, the paper sets up dynamics model of humanoid robot, as a guiding theory of virtual protot - ype research, proposes essential parameter of setting up virtual prototype model, including kinematics parameter, mass property parameter, mechanics character - istic parameter and external parameter, etc ; by utilizing pro / e set up threedimen - sional prototype model, carries on kinematics model prove among adams at the same time, finishes dynamics simulation about virtual prototype walking on line and turning utilizing adams finally
論文的第三部分根據結構特性建立了仿人機器人動力學數學模型，提出了建立虛擬樣機模型的必要參數，包括運動學參數、質量特性參數、力學特性參數和外界參數等;並利用pro / e建立了三維樣機模型，然後在adams中進行運動學模型驗證;最後在adams中對虛擬樣機模型進行了直線行走過程的動力學模擬。 -
Aim to the special model nc bend tube, use the modeling method that essential parameter drive product sample model ; 3 ) in the foundation that summing up a rule of optimized welding assembly underside of tube, develop the nc bend tube welding underside optimization design tool, then complete the optimization design united with two application methods : rotation method and the least squares method ; 4 ) propose a design method of nc bend tube welding jig bottom base, then establish model storehouse according to the design rules, and endow the foundation model with assembly feature
針對多數通用型數控導管，運用矢量轉換演算法反求得導管關鍵特徵，並據此創建導管模型，針對特殊造型數控導管，使用關鍵參數驅動產品庫樣本模型的方法完成建模; 3 ）在歸納總結了焊接底面創建規則的基礎上，開發數控導管焊接底面優化設計工具，分別應用旋轉法和最小二乘法兩類方法完成底面的優化設計; 4 ）提出了一種數控導管焊接底座設計方法。 -
The numerical simulations of loading processes of flier - plates show that the loading history of the flier - plate designed with wave impedance as design parameter is significantly different from that of the flier - plate designed with density as design parameter and the former is expected to have better quasi - isentropic characteristic, which indicates that it is very essential to use wave impedance as design parameter directly to design the wave impedance distribution of flier - plate
而以波阻抗作為設計參數，所得飛片的擊靶波形隨時間的變化更加平緩，有望獲得更好的準等熵壓縮性能。因此，直接採用波阻抗作設計參數，實現梯度飛片波阻抗分佈的精確設計是非常必要的。 -
Abstract : since nearly all of the dimension parameters in technological process planning are coupled together, manual method in the process dimension parameter planning ( pdpp ) is not always efficient and effective. in order to increase design efficiency and effect, an essential mathematic model about pdpp is established, and two basic constraint sets are given. this model is not only helpful to realize the automation and optimization of pdpp, but also useful to verify the correctness of existing pdpp methods and to find better pdpp methods
文摘:由於工藝過程設計所涉及到的所有尺寸參數幾乎都是耦合著的，因此採用人工的、憑借經驗的方法進行工序尺寸參數設計常常效率甚低.為了提高設計效率及經濟效果，建立了一種工序尺寸參數設計的基本數學模型，並給出了兩個基本可行域的結構.該模型的建立不僅可用於實現工序尺寸參數設計的最優化和自動化，而且可用於證明已有方法的正確性及發現更好的設計方法 -
The essential idea of self - tuning controllers described in this essay is as follows : according to the system dynamics to step variation, to define a performance index to evaluate the system response ; based on the monotonous relationship between the performance index and an intermediate pi gain parameter, this latter parameter is estimated with tuning approach in order to improve the performance index ; finally, pi gains are calculated and renewed according to the estimated intermediate, in order to improve the performance of system
本文所闡述的控制器增益自動校正理論的基本思想如下：按照系統對階躍信號變化的動態性能確定性能指標來估計系統的響應；基於性能指標和pi控制器增益參數中間值之間的單調關系，為提高性能指標，應用調節方法來估算pi增益參數中間值；最後按照估計的增益參數中間值更新pi控制器的增益以便改善系統的性能。 -
With the development of computer technology, the demand for controlling precision gets higher. in this way, it is essential to monitor important parameter of field
隨著計算機技術的發展，人們對控制的精度要求越來越高，這樣就有必要對生產現場的一些重要參數進行監控。 -
It " s very essential to correctly determine the material parameter in constitutive model for appropriately analyzing and simulating the process of metal forming
正確確定本構模型中的物性參數是金屬成形過程準確分析和模擬的基礎。 -
The ram - compressed technology in ram - compressed rotor is the key of the rotating ramjet. we discussed it detailedly in some aspect such as theoretic analysis and numerical simulation and model test, and then point out that the essential of the ram - compressed technology is the air is compressed by the moving shock wave. the formula of parameter both sides the moving shock wave and
指出了旋轉激波壓縮是旋轉沖壓壓縮的主要方式，推出了旋轉激波壓縮的參數關系式和沖壓轉子進氣道和盤腔中的簡化運動方程和壓力方程，並通過對冷態流場的數值模擬及模型試驗研究驗證了上述理論分析結果，為旋轉沖壓發動機沖壓轉子的設計分析奠定了理論基礎。 -
The fractal dimension is a quantitative parameter that describes the fractal objects and indicates the complicity and essential characteristics of the system
分形維是描述這種分形體的定量參數，反映了系統的復雜性與本質特徵。
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