geometrical height 中文意思是什麼

geometrical height 解釋
幾何高度
  • geometrical : adj. 1. 幾何學的,幾何圖形的。2. 按幾何級數增長的。adv. -rically
  • height : n 1 高,高度;身高;海拔。2 〈常 pl 〉高地,山丘。3 高貴,卓越。4 絕頂,頂點;【聖經】天。5 〈罕...
  1. Then, according to the geometrical optics, the modulation of structure light by the parallel projective illumination and the emanative projective illumination is discussed to educe the height formula corresponding to these two illuminative mode

    然後,基於幾何光學分析,討論物體輪廓對平行投影及發散投影結構光場調制問題,導出與這兩種照明方式相適應的高度公式。
  2. With analyzing of the case study and based on simulating and analyzing quantitatively, this article, considering the goal of the performance - based fire - protection design is protecting occupants from being injured and keeping buildings from being damaged, thought that fire compartmentation of a large building of saling books can be divided according to their saling malls and fire compartmentation in the saling mall can be separated by the fire - proof screen. on the evacuation design, the quantity of safety exits around these buildings and the evacuation width should be increased if possible and the safety exit number, exit width and evacuation distance can be determined according to the simulating results on smoke layer temperature and height, concentration of co2 and co, occupants evacuation time and visibility. on the means of preventing and discharging smoke, the most proper measure should be determined according to their geometrical characteristics and the natural means of discharging smoke is feasible to the large building of saling books. based on analyzing of smoke

    通過對案例分析研究,本文認為大型書城建築性能化防火設計研究的最終目的是保證人員生命安全和保證建築結構安全,在模擬計算和量化分析的基礎上,大型書城的防火分區可以將中庭連通的書城區域劃分為一個區,在書城場地內可以採用防火卷簾進行防火分區劃分;在人員疏散設計中,應盡可能利用書城賣場的空間設計較多的安全出口和增大疏散寬度,其安全出口數量、寬度和疏散距離可以根據人員安全疏散時間和煙氣溫度、沉降高度、 co2濃度、 co濃度、能見度模擬計算結果驗證確定;在防排煙方式的選擇上,應當根據建築物的幾何特點選取最適宜的措施,就大型書城建築而言,採用自然排煙的方式是可行的。
  3. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    提出了將譜分析與抗差估計相結合的抗差譜分析方法,並用該方法分析了地心運動時間序列的主要周期特性;為合理地確定地心運動參數,詳細研究與分析了一種新的定權方法對求解地心運動參數的作用,該方法充分利用了gps觀測量的統計精度、點位的幾何分佈以及物理穩定性;為了明確地心運動導致的高程基準的變化,分析了地心運動對地面點的水平分量和垂直分量的影響規律。
  4. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  5. On the background of selecting an optimal combination of elastic pads " height between the two adjacent cylinders, which carry out the design requirement of combinative cylinders assembled structure, in this dissertation, the optimal design model is established ground on geometrical and mechanical model of the combinative cylinders assembled structure. the algorithm that integrates multi - objective ' s decision - making method with minimal distance between two points in euclid ' s space into the modified genetic algorithm to solute the optimal model is presented

    本文以選取層間彈性墊層厚度實現組合圓筒裱糊裝配結構的設計要求為研究背景,依據組合圓筒裱糊裝配結構的幾何模型與力學模型,建立組合圓筒裱糊裝配結構的優化模型,提出改進遺傳演算法與歐幾里德空間最短距離準則的多目標決策方法相結合的優化演算法。
  6. In this paper we designed the relief height of the computer optical elements mainly based on the geometrical theory and the scalar quantity diffractive theory. based on the geometrical theory, we achieved the height of phase relief that can shape the laser beam into 4 square spots, square frame, 1 square spot ; with the computer simulation and drawing program, the diffraction patterns are gotten in this paper, the results agreed with the anticipated diffraction patterns ; in this paper we also discussed the affects to the diffraction patterns by changing some parameters

    本文主要基於幾何理論和標量理論來設計計算機光學元件表面的浮雕高度,文中用幾何理論推導出了把高斯光束整形為四個矩形光斑束,正方框形光束、矩形平頂光斑的計算機光學元件表面的浮雕公式;通過計算機輔助設計,計算得到了計算機光學元件表面上的浮雕高度,設計出了計算機光學元件。
  7. However, it is found that there is a certain relationship between simulated result of non - uniform horizontal ground stress and geometrical shape of calculation model : the greater the width to height ratio of the calculation model is, the more unsatisfactory the simulation validity is and the greater the difference between practical ground stress and simulated stress is

    通過簡單模型的模擬試驗,發現採用這種應力邊界條件對水平地應力的模擬效果與計算模型的幾何形狀之間有一定的關系:計算模型的寬高比越大,模擬效果越不理想,與實際的地應力狀況相差越大。
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