影錐角 的英文怎麼說
中文拼音 [yǐngzhuījiǎo]
影錐角
英文
shadow angle-
The glint suppression using high resolution range profile under conical angle measurement is studied, the angle information in signal components of scatters are extracted and averaged to suppress the glint. nonlinear kalman filtering methods under near spherical coordinate are analyzed and used to get more accurate tracking
研究了圓錐掃描測角體制下基於距離高分辨的角閃爍抑制方法,利用距離維高分辨像,提取強散射中心反射信號分量,在此基礎上估計出各個強散射中心的角度測量值,採用平均方法減少角閃爍對測角的影響。The effects of r / h ratio, l / r ratio and cone angle on the dynamic response of the conical shells are discussed in this section
分析了圓錐殼結構的徑厚比、長徑比及錐角變化對結構應力響應的影響。Lambert orthomorphic conical projection
蘭勃特等角圓錐投影The analyse of theary about effect on angular error for reflective characterisitic of move angular cone prism
角度誤差影響運動角錐棱鏡反射特性的理論分析Since we defined the frustum, we know the angle at which the sides of the frustum meet - this is the field of view we used to create the projection matrix in the first place
確定好錐截體,我們就知道錐截體頂角的大小?這是我們在第一個地方用來創建投影矩陣的視場。The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry
本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響,詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響,並得出如下結論: ( 1 )採用高壓水霧化技術可用於生產高密度、高強度、尺寸穩定性的低氫損含量的水霧化預合金鋼粉。 ( 2 )冶煉溫度越高,高壓水壓力越大,所得生粉顆粒粒度越細。 ( 3 )水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。By means of analyzing the influence upon the stress distribution affected by parameters of half conical angle of anvil and ratio of height to diameter, the structural optimization method was advanced
通過分析頂錘半錐角、高徑比等參數對應力分佈的影響,提出了結構優化的方法。This paper reports the droplet size and distribution, penetration and diffusionangle of fuel spray before and after impingement by multiple - picture overlapping photography and laser technology, as well as the fuel spray mixing and burning process in a direct injection diesel engine by high speed photography
本文介紹了用多次噴霧疊加攝影與激光粒子分析技術對燃油噴霧撞擊前後的粒徑、貫穿度以及噴霧錐角等因素變化所進行的觀察和測量以及介紹了利用雙像高速攝影技術對燃油束撞擊霧化形成的混合氣以及燃燒過程特點的研究。Finally, by means of comparing the theoretical tooth surface equation with the tooth surface equation included errors of cutter position and cutter position angle, the quantitative analysis of the theoretical tooth shape and the tooth shape considering the errors of cutter position and cutter position angle was curried out based on the software above. from which, the effect of errors of cutter position as well as cutter position angle on the processed tooth shape and transmitting behavior of this kind of gearing was studied
最後,通過比較雙圓弧弧齒錐齒輪齒面理論方程與加入刀位及刀位角誤差后的齒面方程,應用上述軟體和通過進一步的數值計算,進行了無誤差的理論齒形與加入刀位及刀位角誤差后所得到的實際齒形之間的定量分析,比較直觀、方便、準確地對刀位及刀位角誤差對雙圓弧弧齒錐齒輪的齒形以及傳動的影響進行了初步研究。In this study a primary method for designing a waverider configuration is developed based on the approximate solution of conical flow fields. the simplified cone - derived shock wave is discussed as the basic model for design. different shapes designed from different compression angles and basic geometric coefficients at the same mach number are put into analysis
本文基於高超聲速條件下錐型流近似解提出了高超聲速乘波構形的初步設計方案,對于不同馬赫數、壓縮角以及幾何設計參數進行了外形設計並就參數對設計外形的影響進行了討論,得到了設計參數影響外形的基本規律。A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease
結果顯示氣流在擴張圓錐管壁附近出現分離產生較強的擾動,造成局部流動損失和載體前氣流速度沿徑向分佈不均勻;入口擴張管結構對催化器的流動特性有很大影響,但並非擴張角越大,催化器流速武漢理工大學碩士學位論文分佈的不均勻性和壓力損失也增大,而是存在著一個最佳角度,但當擴張角增大到一定程度以後,擴張角對流速分佈和壓力損失的影響變小。In this paper, i will present some algorithms of polyhedral visual hull reconstruction : ( 1 ) polyhedral v isual h ull generation a igorithm b ased one dge - pool - searching, which constrains the 3 - d intersections into the 2 - d planes intersection via the epipolar theory to reduce the complexity a nd c an r educe t he t imes f or c ones t o b e p rejected o nto t he i mage p lanes, i n which we induced the index list to every points on the surface of object, and connected the related points to get sub polygons on surface and in turn get the mesh model, we replace triangulation process of disordered points cloud by edge - pool searching. ; ( 2 ) reconstruction based on degenerated - polygon - intersection, which have the following improvements on traditional bull intersection : using degenerated polygon to orga nize intersected area on cone face, which may be discontinuous ; a fast intersection algorithm of polygons on the cone face based on degenerated polygons, which is consistent between the continuous polygons and the discontinuous ones. the intersection of degenerated polygons is similar to the convergence of two ordered lists, which is comparably simple to the bull operation ; ( 3 ) reconstruction algorithm based on ray - tracing, in which all the rays that run through the vertex on silhouette of object will intersect with all the cones correspondent to other silhouette, and we have to calculate the intersection of all such line segments, the endpoints of which are considered to lie on the surface of object and we will get the point cloud on the surface of object
同時利用共極線原理把三維計算投影到二維平面以降低求交計算的復雜度,該演算法可以減少光錐向圖像平面投影計算的次數,以邊池搜索取代散亂點集上進行的三角剖分; ( 2 )基於退化多邊形求交的多面體可見殼模型重構,系統引入退化多邊形的概念,把錐體平面的交集中不連通的部分用一個退化多邊形來表示,並引入了新的基於退化多邊形的求交演算法,與傳統多面體可見殼重構相比,該演算法有以下幾點創新:在圖像平面以退化多邊形組織投影錐體和物體輪廓的交集,把任意錐面與物體輪廓的交集歸一到一個退化多邊形;基於退化多邊形的二維平面上多邊形快速相交演算法,該演算法在一定程度上就是兩個有序鏈表的合併,大大簡化了先前的布爾求交計算; ( 3 )基於光線跟蹤的演算法,該演算法中所有通過輪廓頂點的光線和對應其它圖像輪廓的光錐進行求交計算,最後得到每次求交計算得到線段的交集,該線段的頂點就認為是物體表面點,從而得到物體表面的點雲。The paper deduced the seal torque of the tri - eccentric butterfly valve and gave it a qualitative analysis. the results indicated : for the tri - eccentric butterfly valve with the same caliber, theseal torque would decrease with the butterfly disc thickness increasing ; the seal torque would increase with the radial eccentricity increasing ; however, the axis eccentricity effected on the seal torque minutely ; the seal torque would increase with the half cone angle increasing appreciably of the cone which the butterfly disc belonged to
本文還對三偏心蝶閥的密封力矩作了推導並進行了定性的分析,結果表明,對于同一口徑的三偏心蝶閥,密封力矩與蝶板的厚度近似成反比;與徑向偏心距近似成正比,變化也很明顯;而軸向偏心距對密封力矩的影響不是很大;密封力矩隨著蝶板所在的圓錐半錐角的增大而有所增加。Abstract : calculation of the module of a 45 pressure angle involute profile for a tapered splined shaft substituting for a delta profile is studied in this article. the formula of calculation is deduced and the influence of unsuitable module on contact zone is also analysed
文摘:討論了錐三角齒花鍵軸用45壓力角漸開線齒花鍵軸代替時,如何計算模數的問題,並推導出相應的計算公式,分析了模數選擇不當對接觸區的影響The paper analyses and compares the " factor effect on the flow in the pond by the numerical simulating software. the analysis shows the flow structures in the pond are not only related with the velocity of flow, angle of jet and the size of the entrance and so on, but also are related with the size of the pond
根據計算,論文對錐形閥消力池流態的影響因素進行了分析和對,比,分析認為,錐形閥消力池內的水流流態與入射水流的流速、入流t角度和進口尺寸以及水墊尺寸等反映淹沒撞擊射流的基本參數有關,也受消力池長度、寬度影響。The impact of the conical scan on range profile is analyzed, and the cyclostationary method is used to estimate and dispel the interference of conical modulation. simulation test results show the method can provide good profile
研究了圓錐掃描測角體制對目標距離維成像的影響,針對低信噪比環境,同樣採用循環平穩方法估計圓錐掃描對信號的調制。分享友人