運算球度 的英文怎麼說
中文拼音 [yùnsuànqiúdù]
運算球度
英文
operational sphericity- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 球 : 名詞1 (以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體) sphere; glo...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 運算 : [數學] operation; arithmetic; operating
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Radiation spectrums of relativistic charged particles in a dipolar magnetic field were studied numerically in detail by using the current density of moving charged particles in this paper
摘要從運動的荷電粒子產生的流密度出發,研究了在地球偶極磁場中運動的相對論性荷電粒子的輻射能量譜,並對其進行數值計算。In the displacement measurement based on the principle of laser interference, the gaussian quadrics fitting algorithm is used to fix the central position of facula and raise the location accuracy
在基於兩球面波干涉的長度和距離測量實驗中,運用高斯二次曲面擬合演算法為激光光斑的中心坐標定位,提高了光斑的定位精度。On the basis of modern blasting theories, the moving process of explosive stress field of multi - row and simultaneity is analyzed and the characteristics of stress field inspired by equivalent effect cell of globosity charge in cylindrical charge structure are considered. thus energy distributing equation of detonator explosion is established and the explosive energy utilizing rate factors are known. so the moving process model of the hole filling is constructed and the equation of calculating reasonable filling length is produced
本文在現代爆破理論的基礎上,分析了多排同段爆炸應力場的作用過程以及柱狀裝藥結構中等效單元球狀藥包所激發的應力場特點,建立了炸藥爆炸能量分佈方程,明確了影響爆炸能量利用率的因素,構建了炮孔充填物運動過程模型,得出計算合理充填長度方程。The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation
小行星是太陽系最重要的一類小天體,主要分佈在兩個區域;火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近,或近日距離接近甚至小於日地平均距離,其運動可深入到地球軌道的內部,這將導致該類小行星與地球(還有金星、火星等)十分靠近甚至發生碰撞.這一特徵給其軌道演化數值研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用數值方法(包括辛演算法)計算效果的比較,根據小天體運動自身的特性,給出了相應處理措施,從而可提高計算結果的可靠性The author mainly anticipates the task including the simulation of eye fundus imaging and image mosaic. on the base of the dr principle and ophthalmic phototropism study, the author analyze and contrast new fundus camera system with traditional fundus camera. the author will establish the eyeball model with 3ds max technology, imitate the simple eyeball dioptre system and simulate the narrow - angle imaging to ensure the rationality and authenticity of fundus image, which solves the object origin of later image process, then fast mosaics the nine piece of fundus images with the help of the image registration theory and acquire a piece of wide - view fundus image containing more information, thereby provides doctor with enough diagnostic detail, which solves the problem of narrow view
作者在熟悉糖尿病性視網膜病變原理和眼科屈光學的基礎上,進一步研究分析了新型免散瞳眼底照相系統和傳統眼底照相機原理和區別,擬採用3dsmax建立三維眼球模型,模擬眼球屈光系統,模擬眼底照相系統的小角度拍攝,使獲取的眼底圖像合理真實,解決後期系統圖像分析處理的對象來源問題;然後運用醫學圖像配準理論對模擬獲取到的九幅小角度眼底圖像進行快速拼接,拼成一幅大角度的眼底圖像,解決小瞳孔拍攝圖像視角太小的問題;最後通過對眼底圖像配準演算法在相似性測度和搜索演算法的比較,找到一種適合眼底照相系統的眼底圖像拼接的快速演算法。In the thesis, the general situation of the domestic and abroad developments in the field of the numerical control interpolation algorithm for aspheric surface machining is reviewed firstly, for the poorness of recent numerical control interpolation algorithm, an numerical control interpolation algorithm that based on the genetic algorithm ( ga ) and neural network ( nn ) is introduced
在數控系統中,它是生成加工軌跡的一個最基本的子程序,在很大程度上決定了數控機床的加工精度和最大進給速度。本文首先綜述了國內外非球曲面超精密加工中所運用的插補演算法的發展概況。Aspheric optical compound machine tool ( aocmt ) which integrates grinding, lapping and polishing is developed. the influences of motion errors on grinding accuracy are analyzed. according to homogeneous coordinate transition model, the postposition processing algorithm in multi - axis numerical control machining is deduced
3 、研製了集銑磨成型、研磨、拋光於一體的光學非球面復合加工機床( aocmt ) ,分析了各種運動誤差對銑磨精度的影響;根據空間齊次坐標的變換模型,推導出多軸數控加工的後置處理演算法;通過五軸數控聯動, aocmt機床能夠以法向方式加工出任意復雜的光學表面,銑磨精度穩定在8 m之內。But don ' t plan on locking in ( 18 ) sunny weather for that planned family picnic in july 2036. these forecasts are only general trends
這臺機器用於通過計算未來幾個世紀全球海洋溫度、降雨和地殼運動來預測自然災害。The machine tracks global sea temperatures, rainfall and crustal movement to predict natural disasters over the next centuries
這臺機器用於通過計算未來幾個世紀全球海洋溫度降雨和地殼運動來預測自然災害。To play billiards well was a sign of an ill - spent youth. - - - herbert spencer
擅長臺球,是青春虛度的標志。玩物喪志的意思,當然,他應該加一句,臺球運動員不算。According to calculations, the twisted space - time around earth should cause the axes of the gyros to drift merely 0. 041 arcseconds over a year. an arcsecond is 1 3600th of a degree
根據運算,地球周圍扭曲的時空只會引致回轉儀轉軸每年漂移0 . 041角秒,一角秒為1度的3600分之一,可見程度之小。Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result
文摘:研究並模擬具有非瑞利幅度分佈和非高斯功率譜的雷達雜波是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨機過程( sirp )的建模方法,針對實地採集的幅度滿足k分佈並具有有理功率譜的高解析度雷達雜波,運用現代譜估計演算法對其進行建模和模擬,並以模擬雜波與實際雜波的數據對比和統計檢驗的結果對該方法進行了驗證The 29 f globular clusters in the galaxy are selected as samples in my paper ( the space distribution and motional orbits of the samples have not been researched in detail before. ). according to the basic parameters : azimuth coordinates, distances from the sun, radial velocities and proper motions of sample clusters, the initial positions and velocities of the samples are reduced using the galactic coordinates, and their orbits are integrated by numerical method for three different galactic gravitational potential models
本文選用銀河系中29個累積光譜型為f型的球狀星團作為樣本(這些樣本星團的空間分佈和運動特徵都沒有被詳細地討論過) ,根據它們的基本資料:方位坐標、日心距、視向速度,絕對自行等參數,歸算處理得出了各樣本星團的空間分佈和運動速度。And this measurement, in turn, would allow scientists to estimate not only the distance between earth and the sun but also the scale of the entire solar system
天文學家已經由克卜勒的行星運動定律知道所有行星和太陽的相對距離,所以他們能夠由金星視差計算出太陽視差,讓科學家得以估計地球與太陽的距離,以及整個太陽系的尺度。The research and developing of gps / gsm vehicles watch and control system based on analyzing gps positioning technology is discussed in this article. this system is a public security prevention and far distance watching control telecommunication management which has adopt the advanced system in the world including gps / gsm, gis and internet. through this system, all the movable objectives covered by gsm net can be kept being watched and controlled from far distance. the gps data of the movable objectives and different kinds of alarm data will be sent back to the service center through gsm or cable. then the center may send the information of movable objectives " gps data and help alarms that have been already classified and identified to the different departments to deal with linking the consumers through ddn, isdn, pstnand adsl. the advantages of this system is that it adopts mature gps technology and combines the movable telecommunication net - gsm provided by china telecommunicate trades throughout the nation and it can get voice information everywhere. by utilizing internet, vbandsql server computer technology, watch and control center and far distance terminals can aim at how to increase vehicles operating efficiency, decrease wear, promote service quality and build a concentrated system of watch and control, deploy and cammand, scientific management, coordinate and process, and safety in the professions relevant with transfortation of the city
移動目標的gps數據及各類報警數據通過gsm網路及電信有線網路傳回監控服務中心。該中心可通過ddn 、 isdn 、 pstn或adsl等方式與用戶相聯,將移動目標的gps定位信息,求救信息,報警等信息進行分類確認后,實時傳送到相應的職能部門進行處理。本系統的優點在於利用了成熟的gps全球衛星定位技術,並結合了我國電信行業在全國所開通的gsm移動通訊網路,在話音上實現了全國漫遊等特點,在監控中心和遠程用戶終端利用網際網路技術、 vb數據庫管理系統、 sqlserver分散式數據庫管理系統等計算機技術,可針對城市中與交通有關的各行各業如何提高車輛使用效率,降低損耗,提高服務質量,建立集監控、調度指揮、科學管理、協調運營、安全防範為一體的指揮控制體系,發揮其不可替代的作用。By application navier - stokes equations under the sphere coordinate, the calculation formula of the support load of the oil film of the ball joint coupling based on hydrostatic bearing. support property equation of this ball joint coupling was set up. at same time, the formula of the oil film stiffness was established
運用球坐標系下的納維-斯拖克斯方程組推導出靜壓支承球鉸副油膜支承反力的求解公式,給出了靜壓支承球鉸副油膜支承特性方程,得出了靜壓支承球鉸副油膜剛度計算公式; 4In the paper, typical parts, such as shaft, sleeve and sphere, are selected as study objects. on the basis of enough information, the models of thermal distribution of parts are provided in terms of theory on heat conduction. applying elasticity and thermal elasticity, thermal stress and thermal deformation are computed
本論文通過對典型的簡單形狀零件(軸和軸套以及球)的熱變形研究,在參閱大量國內、外有關文獻的基礎上,根據熱傳導理論,建立這些零件溫度場的模型,在此基礎上,運用彈性理論和熱彈性理論進行熱應力和熱變形的理論計算,由此,將熱傳導理論、彈性理論和熱彈性理論有機地結合起來。In the test, choose the angle contact bearing as test bearing, and work in the different position of spindle system, then test the temperature and vibration of the bearings in different speed and different loading, and analysis the data to verified the mathematics models
首先根據理論計算,選用適用於高速運轉的一組角接觸球軸承,各軸承處在軸系中不同位置,然後通過試驗分別對各軸承的工作溫度和軸系振動量進行測量,最後對數據進行分析,通過試驗驗證前面所建立的數學分析模型的正確性。Information entropy method for measuring the axial displacement of a bead and its application to analyzing the trapping force of optical trap , proceeding of spie , vol. 5637 ( spie , bellingham , wa , 2005 ) 305
相關運算圖像分析方法與圖像測量位移直接比較小球圖像邊緣的位置變動方法相比,測量精度有明顯提高。On the base of brief introduction simple theory of genetic algorithms, we discuss the value of each genetic operator and the means of genetic operation. correct scheme of genetic algorithms is given out according to the special bolted sphere node. the genetic algorithms optimal program is compiled in the environment of matlab using the method of transferring parameters among the main function and the sub - function
為此,首先分析了螺栓節點球的球心誤差,並通過矩陣變換理論給出計算球心誤差的公式,進一步討論了自動分度角度的計算方法;在簡介遺傳演算法的基本原理的基礎上,對各遺傳運算元的取值及遺傳操作方法進行了討論,針對典型的螺栓節點球零件給出了具體的遺傳演算法執行方案;通過matlab軟體編程環境進行程序的編制,利用主函數和子函數之間參數傳遞的方法實現了遺傳演算法優化,並且編制了圖形用戶界面,對優化結果採用圖文結合的形式輸出。分享友人