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radial velocity 徑向速度;【天文學】視向速度。

radialized

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、溫度場等數據,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度場,然后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度場反演出大氣三維風場。

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 本文采用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速度分布特性,包括粒子的徑向速度和軸向速度分布;循環流化床顆粒的平均濃度沿徑向和軸向分布特性;循環流化床顆粒平均粒徑的軸向和徑向分布特性。

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分辨率分析,徑向速度對目標距離像的影響、速度補償、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徑雷達成像、波形設計與系統設計。

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算法,獲得顆粒速度矢量圖,并將速度分解為徑向速度和軸向速度,對每一小區域內的顆粒按速度方向不同進行速度平均,獲得顆粒的平均速度分布曲線。

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布和運動特征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布和運動速度。

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 我們對兩種不同直徑的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向速度v _和徑向速度v _ r的合成矢量;在不同截面不同時刻的速度分量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。

The effect of the radial velocity on synthetic spectrum and synthetic range profile is discussed , and the velocity compensation method is described . the ambiguity of stepped - chirp is presented and < wp = 6 > used to design the waveform . furthermore , the stepped - chirp sar system design and sar imaging are discussed 創新點在于:提出了脈內調頻脈沖串波形合成寬帶回波、獲得一維高分辨率距離像的方法,給出了脈內調頻脈沖串合成孔徑雷達成像的具體步驟。

The doppler radial winds from the terminal doppler weather radar ( tdwr ) 0 . 6 - degree elevation scan over the hkia and its western approach were generally away from the radar ( positive radial velocity - - warm colours ) , consistent with the low - level east - southeasterly flow ( figure 12 ) 機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示,多普勒徑向風大致離開雷達(正徑向風速暖色) ,與低空東南偏東氣流吻合(圖12 ) 。

The doppler radial winds from the terminal doppler weather radar tdwr 0 . 6 - degree elevation scan over the hkia and its western approach were generally away from the radar positive radial velocity - warm colours , consistent with the low - level east - southeasterly flow figure 12 機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示,多普勒徑向風大致離開雷達正徑向風速暖色,與低空東南偏東氣流吻合圖12 。

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 采用較簡單的質量連續方程求取垂直速度方案,利用兩部雷達的徑向速度投影關系反演大氣三維風場。

The researchers ? a team of swiss , french and portuguese planet - hunters using a telescope based in chile ? used an indirect method called the “ radial velocity ” technique 這些由瑞士、法國和葡萄牙尋找行星人員組成研究人員,通過位于智利的一架天文望遠鏡,使用稱為“徑向速度”的間接方式進行探測。

The radial velocity profile of the liquid is dependent on the superficial air velocity and the column height , and flows from the wall to the center at bottom of the column 徑向液相速度既與氣相折算速度有關又與位置高度有關,在塔底部呈現負值,這意味著向塔軸心方向流動。

The radar ( negative radial velocity - - cool colours ) with a typical width of 1 km were seen downwind of nei lak shan ( nls ) and cheung shan ( cs ) from time to time 在彌勒山及象山的下風位置,不時見到約一公里寬的狹長徑向風朝向雷達(反徑向風冷色) 。

The wind field retrieval data are obtained by plied muscat technique to transact the rude radial velocity data which were observed by dual - doppler radar volume scans 該資料是用雙多普勒天氣雷達同步立體掃描數據,通過muscat技術,反演出風場。

The radar negative radial velocity - cool colours with a typical width of 1 km were seen downwind of nei lak shan and cheung shan from time to time 在彌勒山及象山的下風位置,不時見到約一公里寬的狹長徑向風朝向雷達反徑向風冷色。

A doppler radar only measures the component of the velocity in the line of sight , the so - called radial velocity 因為多普勒雷達探測到的僅僅是風矢量在徑向上的分量。

Radial velocity curve 視向速度曲線

Heliocentric radial velocity 日心視向速度

3 tdwr radial velocity 6 deg scan 徑向速度6度掃描