screen velocity 中文意思是什麼
screen velocity
解釋
濾過速度-
First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well
文中針對氣動技術本身的特性及優點，如：可壓縮，具有緩沖性；能耗損失小，便於遠距離輸送；流量大、流速高，執行元件響應速度快等，以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的，設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器，並將其成功地運用到振動篩上，取得了較好的效果。 -
A digital circuit to filter interferential signals in light screen to measure velocity of flying bullet
一種測速光幕靶的數字濾波電路設計 -
A circuit for muzzle velocity test with radar and sky - screen controlled by computer
用計算機控制雷達測速和天幕靶測速的一種電路 -
This dissertation emphasizes on the creation of image space, the author present a display system in which screen moves with a sinusoidal velocity profile to create image space. this paper uses linear approximation to make the system display homogeneous graphic and analyzes worst - case positional error due to linear approximation
本論文重點分析了顯示單元中成像空間的構造，提出屏幕按正弦曲線運動的方式來構造成像空間，用線性近似的方法得到均勻的圖像，並分析了由於線性近似帶來的最大屏幕位置誤差。 -
Author, starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and propose the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) which can adapt severe lateral velocity variations, in frequency - wavenumber domain, and the improved wavefield extrapolation scheme, also give the method to improve the computation efficiency. the achievement establishes the theoretic basis of the whole research
首先，從波場延拓的單程波方程出發，系統地研究了頻率波數域的波場延拓運算元之間的相互關系和轉換條件並在此基礎上提出了能適應劇烈橫向變速的頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元（ vrselrf ）和部分波場延拓改進方案及提高運算效率的措施，為整個研究打下理論基礎。 -
Strain with other difference of method is it filter medium to be space very much little to lie inning a little, the centrifugal force turned round through the screen mesh, under lower water conservancy obstruction, have higher velocity of flow, cut and keep the solid here and suspend
微濾與其它方法的區別在於過濾介質空隙特別小，藉助篩網回轉的離心力，在較低的水力阻力下，具有較高流速性，截留住懸浮固體。 -
( 2 ) starting off with analyzing the forces affected on single dry solid granule on the roller screen, the relative slippage and slipping condition of granule at the tangential direction and axis direction of roller screen are discussed, and the average slipping conveyance velocity from feeding end to discharging end is given. the throwing conveyance of granule is discussed, the throwing coefficient of roller screen and its varying rule, and the concept of average throwing coefficient and its computing method are put forward, the starting condition and terminating condition for throwing motion of granule on the roller screen and the throwing conveyance velocity of granule are researched. the influence on throwing motion of granule by the rotating velocity of roller screen is discussed as well
（ 2 ）從筒式篩網上單顆干固相顆粒的受力分析著手，討論了顆粒在筒式篩網面上的切向相對滑動和軸向相對滑動及滑動條件，並導出了顆粒從進料端向出料端滑動運移平均速度；討論了顆粒的拋擲運移，給出了筒式篩網上的拋擲指數及其變化規律，提出了筒式篩網的平均拋擲指數的概念及計算方法，研究了筒式篩網上顆粒拋擲運移的產生條件和終止條件，以及顆粒拋擲運移的輸送速度；還討論了筒式篩網的旋轉角速度對顆粒拋擲運動產生的影響。 -
Author, secondly, starts from the approximate expandness of square root operator, perform mathematical calculations for finite difference operator in frequency - space domain, fourier finite difference operator in mixing domain ( frequency - space and frequency - wavenumber domain ) and general screen operator in mixing domain, compare and discuss their precision of their wavefield, adaptability for lateral velocity variations, computation efficiency and stability. thirdly, author, applies the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) in frequency - wavenumber domain, to the prestack and poststack forward modeling and depth migration
第二，從平方根運算元的近似展開出發對頻率?空間域的有限差分運算元、混合域（頻率?空間域；頻率?波數域）的fourier有限差分運算元、混合域的廣義屏運算元進行了推導並對其波場描述精度、對橫向變速的適應性、計算效率和穩定性進行了比較與評述。 -
Protable bullet velocity measurement system based on laser screen target
基於光幕靶的便攜式彈丸速度測量系統 -
Application of cross - correlation analysis techniques in velocity measurement of light screen
相關分析技術在光幕靶速度測量中的應用 -
Optical design and analysis of laser screen for projectile velocity measurement
大面積激光測速靶光學系統的設計與分析
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