velocity characteristic 中文意思是什麼

velocity characteristic 解釋
速度特性
  • velocity : n. 1. 迅速；快速。2. 速度，速率。3. 周轉率。
  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  1. Time intervals in systolic period of cardiac cycle assessment by velocity doppler tissue imaging : characteristic findings in normal subjects

    用組織多譜勒評價左右心室收縮期時間間期
  2. The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically

    文章研究了來流速度，撞擊塊高度、隔板位置等因素對氣相速度場、隔板兩側配風均勻性、顆粒濃度、濃淡分離比和燃燒器內阻力特性的影響。
  3. Motion - detector of fly ' s compound eyes and determination of velocity of moving image. this paper describes the algorithm of elementary motion - detector and motion - detector arrays, including the characteristic and space conformity

    蠅復眼運動檢測器及圖像運動速度估計研究了初級運動檢測器和運動檢測器陣列的演算法、特徵及空間整合。
  4. 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。
  5. The thesis analyzes the transmitting characteristic of the uwa channel, derives the propagation losses, eigenrays and channel impulse responses of uwa channel by use of the kraken normal wave mode and the ray trace algorithm based on velocity - depth curvilinear profile approximation. based on the analysis, a scheme of auto - replying lduwarc system by means of spread spectrum technique has been designed

    論文首先分析了遠程聲遙控通道傳輸特性，分別利用kraken簡正波和射線跟蹤模型對深海和淺海水聲通道的傳輸特性進行分析，對通道的多徑結構、衰落和環境噪聲進行了計算，並在此基礎上設計了基於擴頻技術的自主應答式遠程聲遙控系統方案。
  6. The qualification of multipactor and the characteristic of the angle and velocity of secondary electron were study. bring forward a improved model of multipactor and solve it by a random sample made by monte carlo, as a result, a critical curve of multipactor was gained

    提出了一個改進型的次級電子倍增研究模型，利用蒙特卡羅法生成的隨機樣本來求解這個模型，得到了工作在2 . 85ghz的介質片的次級電子倍增敏感度曲線。
  7. The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed

    並且將兩種定位演算法進行了比較，說明了優劣；結合直升機的結構分析了旋翼的空氣動力特性，論述了直升機旋翼產生拉力的滑流理論和渦流理論，結合渦流理論論述了直升機旋翼流場誘導速度的計算方法，在此基礎上分析了直升機旋翼流場對聲音傳播的影響。
  8. Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed

    本文以裂隙介質的波動理論作指導，根據hudson裂隙理論，求出eda介質的彈性參數。在此基礎上，應用christoffel方程求出的地震縱波相速度表達式，探討了裂縫密度和裂隙方位對代表波場運動學特徵的縱波速度和代表波場動力學特徵的反射系數的影響。
  9. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。
  10. In view of this situation this article has conducted research to the design of metallurgy auxiliary biography with the frequency conversion table electrical machinery first multianalysis to the frequency changer and the frequency conversion table electrical machinery movement characteristic is carried out, the voltage waveform harmonious which the frequency changer outputs is big, attacks in a big way, and the voltage climbing rate reaches as high as 6600v / mu s which is 20 times ordinary sine alternating voltage, the rolling mill auxiliary biography table set the extremely strict request to the electrical machinery ; its movement frequency is very low, rate frequency in 8 - 20hz ; the velocity modulation scope is wide, the lowest movement frequency lowers to 1hz, and the starting number of times is quite frequently, each hour reaches as high as 600 - 800 time, the impact shoulders in a big way, the overload capacity request is high

    針對這一情況本文對冶金輔傳用變頻輥道電機的設計進行了系統研究。首先對變頻器和變頻輥道電機的運行特性進行詳細分析，變頻器輸出的電壓波形諧波大，沖擊大，電壓上升率高達6600v / s ，是普通正弦交流電壓的20倍;軋機輔傳輥道對電機提出了十分嚴格的要求:其運行頻率很低，額定頻率在8 - 20hz ;調速范圍寬，最低運行頻率低到0 . 5hz ，起動次數相當頻繁，每小時高達600 - 800次，沖擊負荷大，過載能力要求較高。
  11. The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed

    針對海洋大氣邊界層中三維對流渦旋sar圖像，用g . s . young在2000年發表的方法，反演三維對流渦旋的特徵長度、海洋大氣邊界層高度、以及海洋大氣邊界層垂直對流尺度速度、表面浮力通量、海面風速穩定性校正因子和obukhov長度。
  12. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少，本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析，總結了本實驗條件下換熱及阻力的實驗關聯式。
  13. Based on the gps data, i analyzed the velocity track of swatch roads and concluded velocity characteristic curve of alignment of downgrade - followed curve, in addition put forward alignment range and conditions responding to velocity characteristic curve

    根據gps實測數據，分析樣本路段的速度軌跡曲線，總結出彎坡銜接線形的兩種速度特徵曲線，並指出了各速度特徵曲線所對應的線形組合范圍和適應的條件。
  14. All the improvements included the modifications on the sound velocity, characteristic mach number and the mach number at the grid interface. several 2d flow fields which had shock, shear flow, rarefaction wave, or turbulent boundary layer and the combination of them were computed

    該格式改進了聲速、特徵馬赫數的處理方式，對網格界面馬赫數進行了修正，並求解了含有脫體激波、斜激波、剪切流、膨脹扇、及湍流附面層等流動特徵的復雜流動。
  15. For the research of the damping control strategy one type of controllable damper, magnetico - rheological ( mr ) damper, was constructed and tested, the damping force and displacement characteristic curves, the damping force and velocity characteristic curves are obtained, so that the damping force and voltage ( current ) model, or the damping coefficient and voltage ( current ) model can be further obtained

    通過特性試驗，得到示功特性、速度特性，經轉換得到阻尼器的阻尼力? ?電壓（電流）模型和阻尼系數? ?電壓（電流）模型。這樣在研究中，可以採用開環控制方式或力反饋控制方式實現阻尼力的控制。
  16. These are correlation characteristic parameter, fourier spectrum characteristic parameter, power spectrum characteristic parameter, time domain amplitude characteristic parameter, linear prediction coding coefficients, instantaneous characteristic parameter, absorb and decay coefficient, velocity characteristic parameter and wavelet packet transform characteristic parameter. the parameters contain the surface relatively wide, the prediction which is suitable for the goal of many kinds of seism needs

    分別為：自相關特徵參數、付立葉譜特徵參數、功率譜特徵參數、時域振幅特徵參數、線性預測編碼系數、瞬時特徵參數、吸收衰減系數、速度類特徵參數和小波包變換特徵參數，參數涵蓋面較寬，適用於多種地質目標的預測需要。
  17. The simulation result is about the output - velocity characteristic of the m otor proving that fuzzy - adjustable - pid control strategy is superior to traditional pid control strategy and the validity of the digital controller ' s calculation

    通過模擬分析，得到了馬達輸出轉速的動態響應，證明了模糊自整定pid控制效果要優于傳統pid控制、數字控制器選用演算法合理。
  18. In local model, the different kind of suspension girder ? i and rectangular beam make different field of velocity characteristic surrounding through two - dimensional velocity experiment. result display i has more influence to velocity around beam than rectangular beam

    文章同時進一步採用選進的投影尋蹤法對試驗數據作了優化處理，使其結果更加可靠，更具實用價值，以供同類型工程設計時參考
  19. The paper summarizes the development of the control technology of paver ' s vehicle system ; discusses the feasibility of the plc application to vehicle system ; calculates and examines the working resistance and power of the control system as well some concerning parameters of the hydraulic system ; builds the driving system velocity characteristic ; accomplishes the hardware design and the software design according to the functional requirements of vehicle system and the features of plc ; adds the pid compensation to the closed circuit velocity control ; sums up the mathematic model of hydraulic pump - motor system and defines the controller parameters ; in the end, the simple dynamic simulation basing on the control system model and the simulative test are carried out to testify the reasonableness and the feasibility of the designed plc control system

    本文總結了攤鋪機行駛控制技術的發展，討論了plc應用於行駛系統的可行性；計算和校驗了控制系統工作阻力、功率及液壓系統有關參數；建立了行駛驅動系統的速度特性；結合行駛系統的功能要求及plc的特點，完成了控制系統的硬體設計和軟體設計；對其速度閉環控制，引入了pid校正環節；歸納了液壓泵?馬達系統的數學模型，確定了控制器的控制參數；最後對控制系統模型進行了簡單的動態模擬和plc模擬試驗，初步證實了控制系統設計的可行性和合理件。
  20. Through setting up high velocity oxygen / air fuel spray the numerical model of field sheds, carrying the numerical simulation to high velocity fuel spray velocity characteristic and temperature characteristic of particle, its result has announced high velocity oxygen / air fuel spray particle change laws of velocity and temperature

    摘要通過建立多功能超音速火焰噴塗火焰流場的數值模型，對超音速火焰噴塗粒子的速度特性和溫度特性進行數值模擬，其結果揭示了多功能超音速火焰噴塗粒子的速度和溫度的變化規律。
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