流量模數 的英文怎麼說

中文拼音 [liúliángmóshǔ]
流量模數 英文
hydro modulus
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 模 : 模名詞1. （模子） mould; pattern; matrix 2. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 流量 : rate of flow; flow; runoff; discharge; throughput; （flow） rate; quantity （of flow）; flux
  • 模數 : [物理學] modulus; module; modulo; mod
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎，利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播，採用了顯式差分方法（中心差分法和newmark常平均加速度法結合）和透射邊界，通過比較利用幾種差分格式求解的加速度結果，發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用，分別編制了體波（ p波或sv波） 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions

    前置數據採集模塊完成16路溫度信號的採集和通訊；速度測量模塊與速度控制模塊通過控制變頻器來調節迴流焊的傳輸速度；開關量輸出模塊通過固態繼電器對加熱管進行控制；上位機軟體採用delphi編程，實現了pid參數自整定以及無超調的溫度控制。
  3. The paper described the building process of model that can identify the shock - absorber parameter of landing gear and at the same times optimize performance of system. in this paper, there are also some debate, it include identifying parameter which can not be measured, such as the air polytropic exponent and the orifice discharge coefficient of shock - absorber

    本文利用復合形優化演算法建立了起落架緩沖系統參數識別與系統優化模型，對緩沖器空氣壓縮多變指數和油孔流量系數等不可測參數的識別和著陸、滑跑載荷多目標優化問題進行了討論。
  4. Many factors have effect on irrigation uniformity. with the growing of pressure, how is irrigation uniformity of trickle irrigation varying on different condition of the diameter of drip line, the distance of emitters, the length of drip line, the style of emitters, the flux ratio of emitters and the face gradient of little irrigation district. the consequence shows that pressure has puny effect on irrigation uniformity

    滴灌系統的灌水均勻度受眾多因素的影響，本文通過毛管的管徑、滴頭間距、毛管的管長、灌水器的類型和灌水器的流量系數不同的情況下，灌水均勻度隨壓力水頭變化模擬結果顯示，壓力水頭對灌水均勻度影響非常小。
  5. On the basis of these results, the relations of total - pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established

    根據流場計算結果並利用超曲面擬合方法建立了進氣道總壓恢復系數、流量系數與飛行馬赫數、進氣道攻角及二級可調斜板角度之間的關系，由此得到了二元混壓式超聲速進氣道數學模型。
  6. In harnessed watershed, a is smaller and b is bigger, but they are contrary in no - harnessed watershed. the flood peak volume modulus and sediment transport modulus is also power function relationship. but parameter a and b is different largely in different watershed and the relativity is not well than relationship between runoff depth and sediment transport modulus

    參數a 、 b可以反映流域有無治理的差異，參數a在有治理或部分治理的流域內均小於無治理流域；參數b在有治理流域內則較無治理流域偏大；流域次降雨洪峰流量模數與輸沙模數也為冪函數關系，但參數a 、 b在不同流域之間差別較大，其相關性不如徑流深與輸沙模數關系好。
  7. Cfd is also used to get the data of performance parameters of the nozzle at different nozzle pressure ratio, different nozzle area ratio and different geometric defected angle. the theory of function approximation is used to establish the transient model of thrust vectoring with the data calculated

    本文通過cfd計算獲得矢量噴管的性能參數，如流量系數、推力系數以及有效推力矢量角等與矢量噴管壓比、面積比以及幾何偏轉角之間的關系數據，並利用函數逼近理論建立了矢量噴管的動態數學模型。
  8. 6. designed fuzzy recognition module in the software to screen out the disturbance from pedestrians, non - driven vehicles and motorcycles for higher counting accuracy

    在軟體中設計了模糊識別累計車流量模塊，可排除行人或非機動車、摩托車作為遮擋物可能造成的計數干擾，大大提高計數準確度。
  9. The definitions and the conditions of cavitation erosion and flash vaporization have been discussed in detail ; the paper also shows examples of different definitions in different books, which cause the complexity of calculating discharge factor and the damage to control valve ; suggests relevant measures to avoid the damage in real working condition

    摘要對氣蝕和閃蒸的定義、產生的條件進行了詳細論述，以規范不同版本書籍在概念上的模糊不清，以及由此造成的調節閥流量系數計算的復雜性和對調節閥的損害，以便採取相應措施，在實際工況條件下加以避免。
  10. Through simulation the dissertation analyzes the effect of connect stiffness, load inertia, pressure - flux coefficient to the active load system and surplus force ( torque )

    通過模擬，分析了連接剛度、負載慣量、總的壓力流量系數對主動加載系統和純多餘力的影響。
  11. Loading grads is another non - structure coefficient influencing loading characteristics except loading frequency. the low grads characteristics are analyzed deeply by simulation, and found that applying structure invariance principle with acceleration compensation can reduce loading grads effectively. the dissertation also simulates and compares the systems with connect hole of different size, and founds that the size of connect hole has an optimized value

    加載梯度是除了加載頻率之外另一個影響加載性能的非結構上的參數，論文作了大量的模擬分析來研究小梯度加載特性，得出了具有加速度補償的結構不變性原理可以有效的降低小加載梯度時的多餘力矩的影響;通過對具有不同的總壓力流量系數的系統的模擬比較，得出了連通孔的大小在不同工況下存在一個最優的值，其開度需要合理的選擇。
  12. ( 6 ) 3d integer model of spillway and frusta of brake are established and numerical computation of 3d viscous flow over spillway is completed. the influence of frusta of brake for design parameters such as shape of free surface, pressure on dam, flux coefficient is computed aim at type of frusta of brake and disposal on dam and compute result of different type of frusta and disposal model is compared

    6 ）通過建立溢流壩和閘墩的三維整體模型，完成了對三維過壩水流粘流場的數值計算，針對閘墩的型式及在壩面的布置計算了閘墩對水面線形狀、壩面壓力、流量系數等設計參數的影響，並將不同墩型與布置形式的計算結果進行比較。
  13. Because there are obviously multi - dimensional feature at the cleaning valve, we adopt the three - dimensional viscous flow field and the spalart - allmaras model to calculate the flow coefficient, to raise the solution of setting the boundary condition, to study the flow properties and corresponding parameter varying

    清洗液閥門具有明顯的多維流動特性，用三維流場計算其流量系數，採用spalart - allmaras湍流模型（簡稱s - a模型） ，提出了邊界條件的設定方法，來研究清洗液閥門的流量特性以及相應的參數變化規律。
  14. The inlet valve flow coefficient was calculated basis on the result of numerical simulation when the valve at the different lifts. compared with the experiment result, the validation of turbulent model and calculation method was proved, so utilizing cfd to calculate inlet valve flow coefficient is feasible

    流量系數的數值模擬計算結果與實驗結果的比較，以及根據模擬結果對流場的分析，證明了所選用的湍流模型和計算方法的正確性，以及用cfd計算代替發動機試驗取得進氣門流量系數是可行的。
  15. The method of prediction the discharge coefficients of film cooling holes on the turbine blade suggested by d. a. rowbury et. al has been improved in this paper to fit the computations in the cases of low pressure ratios and the holes in leading edge region especially. the effects of external cross - flow, hole geometry and reynolds number in the hole were taken into account. an additive loss coefficient method is subsequently applied to the test data in order to assess the effect of the external cross - flow

    Rowbury等提出的流量系數工程演算法進行了改進，計算結果和實驗數據的比較表明改進后的新模型使低吹風比和前緣駐點附近流量系數的計算得到了明顯的改進，而在高吹風比下仍能保持與實驗數據相符，這種演算法有可能成為低壓比情況下型面氣膜冷卻的一種通用設計方法。
  16. We analyzed statistic characteristics of single mpeg vbr video stream and construct its traffic model, which can fit distribution function and auto - correlation function of video sequence very perfectly ; we also established aggregated mpeg vbr video stream model based on alpha - stable similarity process

    該模型能夠同時擬合視頻序列的邊際分佈函數和自相關函數（一階和二階統計特性） ，這是傳統的網路流量模型不具備的。因此，該模型可以用於網路性能分析和視頻流流量模擬。
  17. Analytic results show that : the lock chamber filling and emptying effectiveness is high, the filling time of a chamber in prototype is less by 17. 6 % than that in model, and the maximum discharge and discharge coefficient in prototype are larger by 32 %, 34. 6 %, respectively, against those in model

    資料分析結果表明：閘室輸水系統輸水效率高，輸水時間原型較模型縮短17 . 6 % ，最大流量較模型增大32 % ，流量系數較模型增大34 . 6 % 。
  18. In the paper, according to the relation between the regional economy system and traffic system the macrocosmic forecasting model of the yrd regional general traffic flow is built. the flow includes tendency traffic stream and induced traffic stream. according as the above forecasting methods and the regional traffic forecasting model the development of the yrd region economy, population and the tendency traffic flow are quantitatively forecasted by the testing data

    並根據交通系統和社會經濟系統互相影響的關系，構建了長江三角洲區域綜合交通流量宏觀預測模型（趨勢交通流和誘增交通流） ，利用上述預測方法和宏觀預測模型結合調研數據對長江三角洲區域的經濟、人口以及趨勢交通流量進行了宏觀定量預測，隨長江三角洲區域綜合交通網路體系研究后提出了區域間交通流量模擬「四階段」定量預測模型。
  19. With a large amount of real traffic data collected from the actual network, a nonlinear network traffic model based on artificial neural network ( ann ) theory was constructed to predict the network traffic

    根據實際網路中測量的大量網路流量數據，建立一個時間相關的基於神經網路的流量模型，預測和分析網路流量狀況。
  20. We do researches on constructing normal model of network traffic, analysizing self - similarity of network traffics - hurst parameter, and its time variable function h ( t ). experimental analysis confirmed the validity of the novel mechanism, limiting the extent of network traffic in time and detecting the ddos attack through measuring the change of h parameter brought by the attacks. moreover we use database to refine the ddos attack

    主要成果為： （ 1 ）對網路流量的自相似性? hurst參數、 hurst參數的時變函數h （ t ）進行分析，建立正常網路流量模型，比傳統的特徵匹配更準確描述了網路流量的特性； （ 2 ）通過實驗驗證了，基於正常網路流量模型，對網路流量進行實時限幅，由自相似性的變化來預測ddos攻擊方法的正確性； （ 3 ）對于不同的攻擊方式，我們使用不同的方法進行檢測，並用數據庫對流經的包頭信息進行統計分析，來對攻擊定位。
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