根值 的英文怎麼說

中文拼音 [gēnzhí]
根值 英文
[數學] root根值判別法 root test
  • 根 : Ⅰ名詞1 （植物的營養器官） root （of a plant） 2 （比喻子孫後代） descendants; posterity 3 [數學] ...
  1. The traditional method is that sampling 20 equidistance discrete voltages to calculate the virtual value. to gain the virtual value, we firstly average their square values, and then extract it

    傳統的計算有效值的方法是利用一個周期內等距離散的20個采樣點的瞬時值進行求解，通過計算它們的均方根值來得到有效值。
  2. The device turns round at the range of 360, and locomotive block moves in linear guide in every unit zone. so optical fiber can arrive everywhere in focal plane. experiment result elucidation : the standard deviation of repeat error and positioning error less than 40 microns, the positioning precision of this system can reach demand

    用7根單元機構模擬4000根單元的相互關系，實驗結果表明：機構的重復性誤差和目標點定位誤差的均方根值均在定位精度要求范圍之內，能夠滿足望遠鏡快速、準確的定位要求。
  3. Root - mean - square

    方均根值
  4. The design adopts ac sample method to get 3 - phase voltage and current samples. the design computes three basic electric parameters according the sample values and monitors the voltage and current of pumping machine with keyboard and lcd

    對抽油機工作電壓、電流進行數據採集，用方均根值法由交流采樣值計算三個基本電參數，並通過lcd和鍵盤進行隨時的監測。
  5. Capacitance between any two terminals in the installation should no more than 1. 06. 3. insulation level of installation : for rated voltage of 6kv installation, it can endure 23kv rms for 1 min between the phrase to phrase or phrase to earth of main circuit ; for rated voltage of 10kv installation, it can endure 30kv rms for 1 min between the phrase to phrase or phrase to earth of main circuit ; it can be endure 2kv rms for 1 min between auxiliary circuits of installation

    3 .裝置的絕緣水平： 6kv額定電壓的成套裝置，其主電路相間及相與地之間，工頻耐受電壓方均根值23kv ， 1min 10kv額定電壓的成套裝置，其主電路相間以及相與地之間，工頻耐受電壓方均根值30kv ， 1min成套裝置輔助電路工頻耐受電壓方均根值2kv ， 1min 。
  6. This gives a value, which is the point of maximum slope either side of the center of the curve

    等於與該分佈的算術中平均數之間離差其平方的算術平均數的平方根? ?值，即正態分佈曲線任一側的斜率的最大值。
  7. The research result demonstrates that along with the increment of reynolds number, the root mean square value of outer fluctuating magnitude of the external diameter in fall frequency band increases, the root mean square value of fluctuating magnitude of the external diameter in high frequency band decreses, demonstrating that the fluctuation of flexible pipe wall changes fluctuation don field of original rigid pipe, large - size eddy motion increases and small - size eddy motion decreases, this reduces energy loss and increases friction reduction effectiveness

    研究結果表明：隨著雷諾數的增加，全頻帶的外徑脈動的均方根值加大，但高頻帶外徑脈動的均方根值減小，說明柔性管管壁脈動確實改變了原剛性管的脈動流場，大尺度渦的運動加劇，低尺度渦運動減弱，從而使得能量損失減少，減阻效果增大。
  8. Based on the convergence criterion of root - mean - square ( rms ) of phase and output power, the actual intensity on reflectors are solved with fox - li iteration so that the deformations of mirrors and one - way phaseshifts are calculated. by simulating one - way phaseshifts with zernike polynomial, the laser modes are studied with method of iteration and geometriy. the evaluation factors of components influences on beam quality is discussed

    根據相位均方根值迭代收斂準則和輸出功率，用fox - li迭代法求出反射鏡上實際的光強分佈和熱源，得到鏡面的位移變形和單程附加相移，以zernike多項式擬合單程附加相移，分別用迭代法和幾何法計算了腔鏡變形時的腔模光場，建立了光學元件對光束質量影響的評價因子，研究腔鏡冷卻效果和冷卻方式，對輸出耦合鏡的變形進行了分析。
  9. Ratio of peak lamp current to rms or average lamp operating current

    燈電流峰值與rms （均方根值）或平均工作電流的比值。
  10. Because the different stiffness match of front and rear suspension is very influencing to the ride comfort, optimal model of ride comfort is developed, regarding the rms of driver ’ s acceleration as the objection, regarding the stiffness of front and back suspension as optimal variable, regarding quiet flexibility 、 dynamic flexibility 、 frequency and dynamic load as nonlinear constraints. by matlab program and using sqp, the optimal match of front and back suspension ’ s stiffness is achieved, this optimal model consider not only request of quiet 、 dynamic flexibility 、 frequency and damp, but also security of run and peace of road, it is closer to the fact than other models which only consider partial restriction

    由於前後懸架垂直剛度的不同匹配對汽車行駛平順性影響較大，論文建立以駕駛員垂直加速度的均方根值作為汽車行駛平順性優化目標值、以前後懸架垂直剛度作為優化變量的優化設計模型，並輔以靜撓度、動撓度、頻率、動載荷等非線性約束，使用序列二次規劃法，利用matlab編制優化程序，求得前後懸架垂直剛度的最優匹配值;此優化模型不僅包含動靜撓度及頻率和阻尼的限制，還考慮到汽車的行駛安全性和道路友好性，比文獻報道的只考慮部分約束的優化模型更切合實際情況。
  11. The choice of laser output window height is relation to many factors, such as pressure loading, thermal loading, yield stress, influence on wavefront, failure by fatigue. spherical windows can endure higher laser intensity. however, it brings some phaseshifts, which connect with laser windows parameters

    激光器輸出窗口厚度的選取與壓力載荷、熱載荷、材料極限強度、厚度對波前的影響、材料疲勞等多種因素有關，由於球殼窗口能承受較高的功率密度，但窗口本身帶來相移，該相移大小與窗口參數有關，根據位相均方根值選擇球殼窗口參數。
  12. Wrms weighted root mean square

    加權均方根值
  13. Rms value effective value

    均方根值有效值
  14. In frequency - domain, the background mode that has the most contribution to the buffeting energy of the structure is calculated using the background modal analysis method, thus the rms of the dynamic responses of long - span grid roofs is obtained. on the other hand, the rms of the dynamic responses is also obtained by direct integral method in time - domain. after the comparison of the results of two methods, several important conclusions can be made

    在頻域內，採用背景模態分析法，通過計算得到對結構振動能量貢獻最大的一階背景模態，從而得到結構脈動響應的均方根值；在時域內，採用直接積分法求出結構響應的時間歷程，並且通過統計，同樣得到結構脈動響應的均方根值。
  15. Withstanding voltage testers the laboratory offers calibration for withstanding voltage testers with sinusoidal output voltages ( 50 hz ) not exceeding 11 kv ( r. m. s

    本所為輸出正弦電壓50hz不超過11kv均方根值的交流耐壓測試器提供校正服務。
  16. Finally, the average value, root - mean - square value, maximum, minimum, spike factor of wind force, wind force moment are analyzed to studied the mutually interference influences to the base force of high buildings and group of buildings

    最後分析不同狀態下風力、風力矩的平均值、均方根值、最大值、最小值和峰值因子，探討了風荷載下高層建築的相互干擾和群樓對建築物風力影響。
  17. Experiments about the influence of aeration on the dynamic pressure on the original riverbed show, aeration will obviously increase the fluctuating pressure on the original riverbed. 3. experiments about the influence of aeration on the dynamic pressure on the bottom of scour hole show, the influence of aeration on the dynamic pressure on the bottom of scour hole is ruleless

    試驗研究了摻氣對沖坑底部脈動壓強的影響，結果表明：無論沖坑深度為多大，坑底脈動壓強均方根值沿程分佈與不摻氣時相比，沒有確定性的規律，射流摻氣后，沖坑底部的脈動壓強有時增加，有時反而減小。
  18. Root mean square value

    均方根值
  19. Mean square value

    均方根值
  20. Base on the model founded, this paper assessed the ride performance by analyzed the root mean square value of power spectral density of acceleration of z - axis and round y - axis rotation acceleration at the driver ’ s seat. the root mean square value of suspension working spaces and dynamic tyre loads were also analyzed. base on the assessing system of vehicle ride performance, the root mean square

    根據模型建立的實際情況，對車輛標準載荷情況下的平順性指標進行了計算，對人體感受到的振動採用了垂直方向和繞橫軸轉動方向的加權振級來評價，計算了車輛懸架系統的動撓度均方根值和各車輪相對動載荷均方根值的情況，全面的評價了車型的平順性。
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