速度廓線 的英文怎麼說

中文拼音 [kuòxiàn]
速度廓線 英文
velocity profile
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ形容詞(廣闊) wide; extensive Ⅱ名詞(物體的外緣) outline
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. When the plane was heated, observation showed that the shape factor increased from 1. 5 to 2. 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred

    發現在加熱的情況下,邊界層的形狀因子由1 . 5上升至2 . 6時均速度廓線中的平衡湍流層消失以及能譜中慣性子區消失等變化。
  2. In order to make clear the changing situation about various meteorological element fields during the heavy rain. the diagnostic analysis in three aspects was done in this text : the vapor conditions, in which the difference of the temperature and dew point, relative humidity, vapor flux and the divergence of vapor flux were discussed ; the dynamic and thermodynamic conditions, vorticity, divergence and vertical velocity were analyzed ; the vertical layer condition, which included potential temperature, static stability, convective ( potential ) instability and the vertical profile of eight physical fields over the observatory of shenyang

    為了弄清這次暴雨過程各氣象要素場的演變情況,分三方面對暴雨的水汽條件(使用了溫露點差、相對濕、水汽通量和水汽通量散) 、動力條件(使用了散、渦和垂直)和垂直層結條件(使用了位溫、靜力穩定和潛在不穩定以及沈陽單站的8個物理量的垂直)等的變化,分別進行了診斷分析。
  3. This method uses the law of conservation of energy, adopts the method of sectioning and the cam profile is designed according to the outputted speed curve

    該方法應用能量守恆定律,採用分段的方法,按輸出的設計凸輪
  4. The information of skeleton is also used to deal with branching problem. experiments show that the proposed algorithm can retrieve cases with complex contours. the technique of surface reconstruction using distance field is explored in chapter 4

    對于離散距離場的計算,我們提出用輪擴散的方法來進行加,和最小歐幾里得距離方法比較,該方法具有快的優點,其時間復雜為o加。
  5. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理,將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法,運用圓向量函數建立代換機構的位移、、加矢量方程式,求取虛擬連桿桿長和方向,由此展開凸輪理論、實際、曲率半徑和壓力角的求解,並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。
  6. By using auto - adjusting boundary conditions and the method of three cubed spline curve fitting, the system software can recover both of the horizontal and vertical beam profile. the measurement system can also measure the beam landing screen error of cpt. it provides a important measurement and analysis tool to improve the performance of electron gun and dy, and improve the definition of cpt

    系統軟體中,提出了採用動態確定邊界條件,通過對離散采樣點的三次樣條插值曲的擬合恢復束斑x和y方向的輪,本系統既能準確客觀地描述電子束輪,又能夠準確快地測量電子束著屏誤差等多種參數,為cpt電子槍和偏轉系統的性能改進與解析的提高提供了有力的測試分析和研究手段。
  7. The one - step method is used to calculate the original curve. this method can get original blank curve directly from part shape and compute very fast

    而用於優化的初始輪,本文採用的是有限元逆演算法,即一步演算法求得,該方法由最終零件形狀直接計算出初始板料,計算快。
  8. Compare the measured velocity profile and analytical solution of poisoeullie flow shows a good agreement within the most part of the measured region, while the value of the former is higher near the wall resulting from the combined effects of strong flare light and velocity gradient polarization

    把獲得的測量結果和解析解的泊肅葉流動速度廓線進行比較后發現,在從流動中心到近壁面的大部分區域,兩者吻合良好,在近壁面區域,由於示蹤粒子和壁面碰撞以及壁面反射光等原因,測量值大於解析解。
  9. Refined grids were utilized in a large - eddy simulation model for obtaining high - resolution planetary boundary data and analyzing surface layer turbulence. simulation results showed that refined meshes reduced turbulent contributions of subgrid scales, sensitivity of simulation results to sgs parameters decreased, and features of the whole boundary layer were explicitly resolved better. results also revealed flux - profile relationship correctly in surface layer and a good agreement of turbulent velocity characters with observation. therefore, it concluded that the les method was able for simulation of surface layer flow and turbulence, and might be used for further applications

    採用加密網格的大渦模式獲取邊界層風溫場的高解析模擬結果,並據以分析近地面層大氣的湍流特性。結果表明,較小的網格尺使次網格湍流貢獻率大為降低,模式計算結果對次網格參數的依賴性減小,邊界層整體特徵得到更好的反映。同時,模擬出的近地面層通量關系及湍流特徵與實際觀測結果吻合甚好,表明模式具有反映近地面層平均運動和湍流特性的能力。
  10. This paper aims at the shortages, which are too much information, too long - processing time, low precision, needing checking and revising, of stl form file in the front processing of laser rapid prototyping, it puts forward a method of 3 - d cad model direct slicing, and it will process section profile curve that direct slicing produces so that this section profile curve will be used in sequent numerical controlling machine tool. direct slicing on the model can reduce data - processing time and file dimension, advance precision of work pieces

    本文針對快成形前處理過程中使用的stl ( stereolithography )格式文件的信息冗餘量大,數據處理時間長,精差,需要檢查和修改等缺點,提出了對三維cad模型直接切片的方法,並對直接切片獲得的截面輪進行了處理使之能夠被后續的工控機所使用,通過對模型的直接切片,能減少數據處理時間,降低文件規模,提高工件精
  11. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天氣雷達的回波信息(包括強、徑向譜寬)進行加工、計算和處理,本文根據南京氣象學院在天氣雷達方面的長期研究積累,同時借鑒其他國內外先進的天氣雷達產品的演算法,結合我國氣象業務應用的要求,對多普勒天氣雷達的氣象產品(組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直累積含水量、弱回波區顯示、 vad垂直風等)進行工程化設計。
  12. The dynamic response of the cam mechanism fan - out was found with the rule of sinusoid acceleration, and these establish the foundation of the design of the cam contour line, and provide a fire - new idea for the research of the mortar pump

    通過正弦加運動規律得到了凸輪機構輸出端的動態響應,為凸輪的沒計-奠定了基礎,為砂漿泵的研究提供了嶄新的思路。
  13. So tangential wind profile is an important factor that impacts on typhoon ' s track and intensity

    因此,臺風切向風水平是影響臺風移動和強變化的一個重要因子。
  14. The results of numerical calculation for four wind shear exponents and seven tower heights shows that taking the wind speed at the rotor centre as the initial uniform design wind speed is reasonable, and that wind shear is independent of the aerodynamics design of a wind turbine

    在四類指數、七種塔架高情況下,利用數值積分方式計算得到的結果表明,採用風輪中心風做為單一的設計風是切實可行的,風剪切對于風力機的氣動設計基本無關。
  15. One pencil is the simulative milling cutter. parameters setting, milling cutter radius compensation, graphics drawing of the work - piece machined, realizing local control, etc. are the tasks of pc, while line & arc interpolation, motion segment acceleration & deceleration control, position protection at a high precision rate and so on are the duty of dsp motion controller. in the end, the system can draw the cutter center track of the work piece ' s program track accurately

    上位pc機主要完成相關參數設定、刀具半徑補償相關運算及繪制被加工工件的輪(程編軌跡) 、實現本地控制等內容;下位機dsp控制器則充分利用美國ti公司的tms320c31浮點dsp的高、高精完成運動控制中的實時直和圓弧數值插補、運動段加減控制、運動軸行程限位保護等內容。
  16. According to the curves and equations of the speed, acceleration and displacement about the pallet car given in this paper, the actual tooth profile equation had been presented

    根據臺車進行變加運動的、加和位移曲,推導出了實際齒方程。
  17. By means of the software of pro / e we studied the movement of the bit and obtained some data reports about different parameter bit. in the environment of visual basic the trace program can compute the well - bottom outline. it also can draw the trace and the velocity curve that the teeth scrape the well bottom

    分析方法是在pro / e中對試驗鉆頭進行運動模擬,得到不同結構參數和傳動比的鉆頭運動的數據文件,然後進入用visualbasic高級語言編制的異形牙輪單牙輪鉆頭分析軟體中,計算出鉆頭的井底輪,並繪制鉆頭井底軌跡和牙齒刮切井底的
  18. 2. we introduced a new polygon periodic discrete curvature function based on curve continue curvature concept in 2d contour matching, the periodic discrete curvature has local, rotation and translation invariant. applying efficient techniques to find the proper matching substrings, we also applied the hashing technique to find long matching substrings

    周期性離散曲率函數具有和原有曲率相似的位移、旋轉、縮放等特性,為提高匹配的準確,利用高斯函數進行平滑處理,取得了較好的結果,同時該方法具有直觀、快等優點,在2d輪的匹配中,具有實用可靠的用途。
  19. The application of 3d object surface measurement is more and more important in the domain of industrial inspection, quality controlling, machine vision, cad / cam, and medical science, etc. and because of its high precision, nondestructive feature and also fastness of data acquisition, the method of non - contact optical measurement becomes very popular

    三維物體表面輪測量技術在高檢測、質量控制、機器視覺、反求工程、 cad cam以及醫療診斷等領域的應用日益廣泛。具有非接觸特性的光學測量方法由於其高解析、無破損、數據獲取快等優點而被公認為最有前途的三維輪測量方法。
  20. The result shows that the profile which has a narrow region of peak value of tangential wind and a shorter radius of maximum wind, corresponds with the leaning northwest track and the maintenance or enhancement of intensity ; the profile which has a wide region of peak value of tangential wind and a longer radius of maximum wind, corresponds with the northern - turn track and the attenuation of intensity

    結果表明:切向風上峰值區狹窄,最大風半徑較小時,臺風呈西北方向移動的正常路徑,強易於維持;切向風上峰值區寬平,最大風半徑較大時,臺風呈北折轉向的異常路徑,強易於衰減。
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