徑向速度 的英文怎麼說

中文拼音 [jìngxiàng]
徑向速度 英文
radial speed
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • : 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
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The distribution law of radial velocity of flow field in hydrocyclone

    水力旋流器流場徑向速度分佈規律研究
  2. 3 tdwr radial velocity 6 deg scan

    徑向速度6掃描
  3. First, in order to verify the correct of this retrieval month, by using the data of three - dimensional wind field, raininess field and temperature field that are output by mm5 numerical simulation, we climate the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, then, on the base of the upwards retrieval theory and using the radial velocity field and echo intention field in the in - phase observation area of dual - doppler radar, we retrieve the atmospheric three - dimensional wind field

    首先,為檢驗此種反演方法的可靠性,我們使用mm5數值模式輸出的三維風場、雨強場、溫場等數據,分別模擬生成兩部雷達同步觀測區的徑向速度場和回波強場,然後根據以上的反演理論利用模擬的雙多普勒天氣雷達觀測到的徑向速度場和回波強場反演出大氣三維風場。
  4. Three kinds of results are obtained by simulation calculating the two models : the composed vector diagrams of the axial velocity ( v ) and the radial velocity ( vr ) at the different times in the symmetry section ; diagrams of curves of the velocity vector ( v ^ ) and ( vr ) at the different times in the different sections ; diagrams of the secondary flow vectors at the different times in the different sections

    我們對兩種不同直的s型血管進行了有限元模擬計算,得到三種結果:在對稱面內不同時刻的軸v _和徑向速度v _ r的合成矢量;在不同截面不同時刻的分量v _和v _ r的曲線圖;在不同截面不同時刻的二次流的矢量圖。
  5. A new distributed fusion method of radar / ir based on separation and combination of the measurements is proposed after analyzing the influence of rate measurement. the rate information separated from the radar measurements composes a fake vector of ir

    在對引入徑向速度測量后雷達跟蹤性能進行分析的基礎上,提出了一種基於測量信息組合優化的雷達/紅外分散式融合方法。
  6. Substituting the above mod al reactions ( moments ) and excitation forces into the shell ' s modal vibration equations, the shell ' s radial modal velocity are obtained from which the far - field sound pressure derived by stationary phase method can be calculated

    將以上各項荷載和激勵力代入殼體的模態運動方程,可求得殼體的模態徑向速度,然後由穩相法得到遠場聲壓的解析解。
  7. The relatively simple mass continuous equation is used to calculate vertical velocity, and use radial velocity projection relation of dual - doppler radar to retrieve the three - dimensional wind field

    採用較簡單的質量連續方程求取垂直方案,利用兩部雷達的徑向速度投影關系反演大氣三維風場。
  8. The summarization of the main work is as follows : + a method that can correct the migration through range cells caused by radial speed is presented by using scale transformation, and the method is extended to maneuvering target imaging. the algorithm flow, which is applicable to large - scale target whether it is uniform or maneuvering, is given. the results obtained by using simulation data and real data show that this method is effective

    本文的具體內容可歸納如下幾點:分析了用尺變換可以消除由於徑向速度引起的越距離單元走動,對isar目標進行越距離單元走動校正演算法進行了討論,並把尺變換校正越距離單元走動后成像的方法推廣到機動目標成像,也給出適合於平穩和機動大目標的成像演算法流程,並通過模擬數據和實測數據的檢驗。
  9. There are two parts in this paper : firstly, a set of single doppler velocity models are presented for typical ambient windfields that include those of being uniform horizontally, macroscale convergence and divergence, which overlap warm and cold advection. which are marked by different signatures in the single doppler velocity field. the models proposed can help users identify useful information from the dopple velocity patterns

    本論文包括兩個部分:第一篇通過對典型風場的單多普勒天氣雷達徑向速度圖象進行模擬,典型風場包括水平均勻一致的風場、非均勻水平風場的大尺運動的輻合輻散風場以及大尺運動的輻合輻散風場與冷暖平流的迭加等。
  10. The main work is given as follows : the stepped - frequency waveform synthesizing the wideband signal, the synthetic range profile ( srp ) by ifft, the range resolution of stepped - frequency waveform, the effect of the radial velocity on the srp, the radial velocity compensation, ambiguity function, waveform design and stepped frequency sar imaging and so on

    包括:頻率步進波形合成超寬帶信號分析, ifft方法獲得目標一維距離像與距離解析分析,徑向速度對目標距離像的影響、補償、頻率步進信號的模糊函數分析,以及頻率步進波形照射下的合成孔雷達成像、波形設計與系統設計。
  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(包括強徑向速度譜寬)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垂直風廓線等)進行工程化設計。
  12. In this thesis, the basic arithmetic of piv software - cross - correlation arithmetic is introduced in detail, during the data process, through processing the two sequential images by the cross - correlation arithmetic, the vector charts of particles velocity can be obtained, so is the chart of absolute velocity, with velocity decomposed into the radial velocity and axial velocity

    本文對試驗所獲得的連續圖像通過互相關演算法,獲得顆粒矢量圖,並將分解為徑向速度和軸,對每一小區域內的顆粒按不同進行平均,獲得顆粒的平均分佈曲線。
  13. And the conclusion is that vita method is a more reasonable method in burst detection when the threshold value is between 0. 7 to 1. 0. in order to investigate the influence of transverse curvature of the wall, the direct numerical simulated data bank of turbulent channel flow is also analyzed. the mean velocity profile in pipe and channel flow is compared

    本文還對圓管和槽道內的猝發事件進行了分析,得到的圓管和槽道內的猝發周期大致是相同的,但是在猝發的強上槽道要大於圓管;並且進一步的分析表明猝發強的差別主要在於徑向速度的差別,這說明壁面橫曲率對于的流動影響較大,而對流流動幾乎沒有影響。
  14. The axial velocity, fluctuation velocity, the turbulence intensity, and transverse velocity of the fine particle were studied

    研究了管道中近壁區顆粒的軸、湍流強徑向速度
  15. This thesis is aimed to study the flow field in circulating fluidized bed ( cfb ) holier in cold state based on the system of particle image velocimetry ( piv ), several parts are included : the distribution of particles velocity in cfb boiler including radial velocity and axial velocity of particles ; the average radial and axial concentration distribution of particles in cfb boiler ; the average radial and axial size distribution of particles in cfb boiler

    本文採用piv系統對循環流化床鍋爐冷態流場進行了試驗研究,研究的主要內容包括:循環流化床冷態流場粒子的分佈特性,包括粒子的徑向速度和軸分佈;循環流化床顆粒的平均濃沿和軸分佈特性;循環流化床顆粒平均粒的軸分佈特性。
  16. Synthetic aperture radar ( sar ) has been widely used in both military affairs and civilian fields because of its high - resolution, independence of both time and weather conditions, etc. usually, sar could only be used to detect and image static targets instead of moving targets for the reason that the position drifting will make local mistake in the general sar image, which is usually caused by the velocity of the moving targets in the ground range direction, and when it comes to the target with strong scatter coefficient right in the drifting position, the moving target could not be detected at all

    合成孔雷達( sar )由於其高解析、全天時、全天候等優良性能,已經在軍事和民用領域得到越來越廣泛的應用。通常,合成孔雷達只能對靜止目標進行檢測和成像,動目標由於其徑向速度而在常規sar圖像中有一個位置偏移,使成像造成局部錯誤,而且當偏移處有強散射目標時,動目標將無法檢測。軍事上的應用也要求合成孔雷達能對運動目標進行有效地檢測和成像,因而運動目標檢測( mti )及其成像日益成為合成孔雷達領域研究的一個熱點。
  17. Sconed, the tangential shear velocity and the radial particle diameter distribution are derived according force balance in the annulus, in order to reduce or pervent the particle to remove toward the membrane surface

    第二、根據粒子的力平衡理論推導出旋轉流中粒子不膜面沉積的周剪切率及的分佈規律,並指出徑向速度對粒子沉積的影響。
  18. The revised range spread function is validated by simulation. the method to design waveform and sar system is described, and the steps of sar imaging are presented. the stepped - chirp waveform and stepped - chirp sar imaging are presented in detail

    主要創新在於:修正了徑向速度引起的距離像展寬表達式,提出了用於合成孔雷達成像的頻率步進波形設計方法,給出了頻率步進合成孔雷達的系統設計與成像步驟。
  19. Then, the distribution of tangential, radial, axial components of velocity and pressure is given

    同時得到了流場內部切徑向速度、軸及壓力分佈規律。
  20. In a rotational system, when the stuff has a velocity in the same direction of r vector. then there will be a force act on the stuff, the vector of the force plumb the r vector

    科里奧利力:在旋轉參照系中,當物體有徑向速度時,物體會受到垂直半的科里奧利力。
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