漂移流動 的英文怎麼說

中文拼音 [biāoliúdòng]
漂移流動 英文
drift flow
  • : 漂動詞[方言] (事情、帳目等落空) fail; end in failure
  • : Ⅰ動詞1. (移動) move; remove; shift 2. (改變; 變動) change; alter Ⅱ名詞(姓氏) a surname
  • : 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...
  • 漂移 : 1 (漂流移動) be driven by the current; drift about2 [電子學] drift; shift; shifting; shunt runn...
  • 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
  1. Further investigated and analyzed composition structure and flow data that dsa ' s formation of image is systematic at first in this paper, carried on intact summing up to the data in the system, having given out the plan of design of high speed and large capacity data channel of digital formation of image system of x - ray ; deeper discussion of control way on sdram, give solution that many pieces of sdram works togetherses of realizing heavy capacity, designing of heavy capacity deposit board realize storing at a high speed to vision data by frame on the basis of this ; through further investigations of interface of pci bus, optimize back end state machine design and urge procedure making with lower, giving intact pci interface scheme that realize high speed dma data transmission and satisfy request of video transmitting ; further investigate the figure systematic design method of programmable logic devices, due to the difficult point of drifting about of enabled signal in fifo in common use and setting up and keeping of output signal, method has been proposed of improving stability of system making use of signal utilizing the phase locking ring in fpga to offer a lot of clocks to move thus realize coordinating the data between every module of system to transmit at a high speed by making use of fifo

    本文首先對數字減影血管造影( dsa )成像系統的組成結構和數據向進行了深入研究和分析,並對系統中的數據向進行了完整的歸納和總結,給出了x線數字成像系統中的高速大容量數據通道的設計方案;在對sdram的控制方式做了深入探討后,給出了實現大容量多條sdram共同工作的解決方案,在此基礎上設計了大容量幀存板實現對圖象數據進行高速存儲;通過對pci總線介面的深入研究,優化後端狀態機設計和低層驅程序開發,給出了完整的pci介面方案實現高速dma數據傳輸,完全可以滿足視頻傳輸要求;深入研究了基於大規模可編程器件的數字系統設計方法,針對通用fifo使能信號、輸出數據難于建立和保持等設計難點,提出了利用fpga中的鎖相環提供多個時鐘相的信號來提高系統穩定性的解決方案,從而實現利用fifo來協調系統各模塊之間的數據高速傳輸。
  2. In theoretical analysis, the motion of radially - emitted electron beam in diode region and drift region has been analyzed, and the relation between radial momentum or current of electron beam and the guiding magnetic field has also been studied, then the possibility to optimize the guiding magnetic field has been derived. the motion of radially - emitted beam electrons in smooth bore magnetron and smooth bore milo has also been studied theoretically. at last, the motion of radially - emitted beam electrons in compound axial and azimuthal magnetic field has been studied

    在理論分析中,初步分析了軸向發射條件下電子在二極體區域和區的運規律,電子徑向量隨著外加磁場變化的規律,以及電子束電隨著外加磁場的變化規律,還有二極體區域磁場優化的可能性;分別研究了有軸向磁場時以及有角向磁場時徑向發射的電子在光滑陽極結構中的運規律,最後分析了在軸向和角向復合磁場中電子的運規律。
  3. This paper introduces a power controlling system for electrosurgical generator based on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates

    介紹了基於可控硅整電路的高頻電刀控制系統,並針對該類型電刀的輸出功率隨電網電壓波而發生的問題,採用了一種功率補償的方法,實現輸出功率在不同的電網電壓的波下保持恆定。
  4. This paper introduces a power controlling system for electrosurgical generator baaed on thyristor, and proposes a power compensating method to maintain the output power invariable when the ac voltage fluctuates

    摘要介紹了基於可控硅整電路的高頻電刀控制系統,並針對該類型電刀的輸出功率隨電網電壓波而發生的問題,採用了一種功率補償的方法,實現輸出功率在不同的電網電壓的波下保持恆定。
  5. The main content of the fourt h chapter is math model, includes ship movement equation model, movement responding model, ship transfer excursion model, wind and current floating excursion calculating model, the occupying fairway width calculating model for determining voyage and so on

    第四章為數學模型研究,主要的數學模型有:船舶運方程模型、武漢理工大學碩士學位論文運響應模型、船舶偏量模型、風致船舶量的計算模型、定距離船舶航行所佔航寬模型。
  6. The over - current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. frequency deviation caused by faulty operation is also prevented

    當電超過限制值時,過負荷電繼電器自保護振蕩管和整器,同時可以避免由不當操作所引起的頻率
  7. Based on the hydrodynamics energy transport model, the degradation induced by donor interface state is analyzed for deep - sub - micron grooved - gate and conventional planar pmosfet with different channel doping density. the simulation results indicate that the degradation induced by the same interface state density in grooved - gate pmosfet is larger than that in planar pmosfet, and for both devices of different structure, the impact of n type accepted interface state on device performance is far larger than that of p type. it also manifests that the degradation is different for the device with different channel doping density. the shift of drain current induced by same interface states density increases with the increase of channel do - ping density

    基於力學能量輸運模型,對溝道雜質濃度不同的深亞微米槽柵和平面pmosfet中施主型界面態引起的器件特性的退化進行了研究.研究結果表明同樣濃度的界面態密度在槽柵器件中引起的器件特性的遠大於平面器件,且電子施主界面態密度對器件特性的影響遠大於空穴界面態.特別是溝道雜質濃度不同,界面態引起的器件特性的退化不同.溝道摻雜濃度提高,同樣的界面態密度造成的漏極特性增大
  8. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相不穩定性的影響,同時在d分區法的前提下,在兩相區基於模型,一定的守恆條件下,在搖擺和不搖擺工況中用線性小擾法對實驗段的壓降對入口速的擾的響應進行了分析。
  9. The hydrodynamic and the drift - diffusion models are the most widely used models to describe semiconductor devices today

    在所有描述半導體的數學模型中,力學模型和擴散模型是應用最廣泛的模型。
  10. As one of the several models to improve the drift - diffusion model, the hydrodynamic model plays an increasingly important role in simulating the behavior of the charge carrier in sub - micron semiconductor devices because it can exhibit velocity overshoot and ballistic effects for which are not accounted the classical drift - diffusion model

    擴散模型自上世紀五十年代初一出現,就得到了人們的廣泛關注。但隨著微電子技術的發展,它不能很好的解釋半導體中的有些現象,力學模型就應運而生了。
  11. At first, the author analyzed some chief factors such as light beam drift and atmospheric turbulence that affect the precision of the laser collimation in brief. then, the author studied the plan of the laser collimation generating nondiffracting beam and automatic level system with high precision. at last, the author completed the measurement of the straightness guideway by using ccd ( charge coupled device ) as the receiver and computer imaging processing

    文章首先簡要地分析了激光自身、大氣湍等影響激光準直精度的主要因素,然後對系統的激光準直方案進行論證,並確定了無衍射光束的生成方案、高精度自安平系統的結構方案,最後以ccd為接收器件,通過計算機圖像處理,完成對軌道直線性的測量。
  12. Based on x - filtered lms algorithm and - filtered lms algorithm adaptive inverse control, we use a new variable step size lms algorithm. adding little computation, variable step size lms algorithm can result in fast convergence speed and low residual error simultaneously. the adaptive feedback control can counteract the beginning error of the system

    在原來的x -濾波lms演算法自適應逆控制和-濾波lms演算法自適應逆控制方法的基礎上,引入了新的變步長lms演算法,在計算量增加不多的前提下,能同時獲得較快的收斂速度和較小的穩態誤差;引入自適應的反饋補償控制克服了被控系統的直零頻,使控制系統在初開始工作階段快速收斂;還引入自適應擾消除器,它能最大限度的消除擾
  13. Our item choiced msp430f149, a sort of singlechip as controller, designed our hardware electrocircuit to get the pulse wave singnal, and used msp430f149 to continuously search and calculate the peak - peak value of the pulse wave, and compute oxygen saturaction. in our study, in order to hurdle the dirft of baseline caused by the physiological difference of human bodies. we designed one circuit which can automatically regulate of the baseline of signal

    本文以msp430f149晶元為控制器,設計硬體電路提取脈搏波信號,連續檢測脈搏波峰?峰值,計算氧飽合度。本課題採用了基線自調節電路,以克服不同人體生理差異引起的基線;設計了直截取電路和可控積分放大電路,以滿足臨床連續監測的特殊需要,解決信號飽和問題。
  14. Since it has the advantage of no moving components, impulse signal output, strong medium adaptability, high measurement accuracy, wide measurement range, low - pressure drop, no zero drift and easy to maintenance, it is wide accepted that the vortex type fluid oscillatory flowmeter is ideal flowmeter in the measurement of gas, liquid, steam and mix / corrosive fluid

    這類的量計兼有無運部件,脈沖數字輸出,計量不受被測體性質影響,測量準確度較高,量程比寬,無零點,壓力損失小,便於安裝維護等優點,是測量氣體,液體,蒸汽,混合型和腐蝕性體的理想的量計。
  15. Current drift dirve sharing

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  16. To avoid the actuator, a capacitor load being charged up by the drift current of the amplifier, a secondary feedback from the output of the amplifier has been used and expected result has been gotten

    針對驅器輸出電造成的壓電作器(容性負載)電荷積累,文中引入了抑制驅器電的反饋環節,取得了預期的控制效果。
  17. But the influence trend of the maximum rolling angle and the rolling period was not so simple, it was because the influence of which embodied in the phase relationship of mass flow and the pressure drop across the tube. the d - partition method was developed to separate the test tube into four regions and the drift flow model was imported into the two phase region, based on which the solution of the response of the pressure drop of tested tube to the inlet mass flow perturbation can be obtained

    在不搖擺和搖擺工況下,採用d分區法對實驗段進行分區,在兩相區採用模型對實驗段的壓降對入口速擾的響應進行了求解,給出了各區壓降響應的表達式,進而得到了在不搖擺和搖擺工況下,壓降與入口速擾之間的傳遞函數。
  18. During the present research of the flow characteristics of refrigerant in adiabatic capillary tubes, a drift flux model of two - phase flow was established and the influence of metastable phenomenon was considered. the flow characteristics of refrigerant were analyzed with the program developed in this research. an experimental system for the adiabatic capillary tubes testing was set up. the results show that the theoretical model fits the experimental data well

    在對絕熱毛細管內製冷劑的特性進行研究的過程中,運用兩相模型,並考慮製冷劑在實際中存在的亞穩態,開發了絕熱毛細管內製冷劑兩相的數值計算程序,對毛細管內製冷劑的特性進行了分析;搭建了毛細管兩相實驗裝置,並將計算結果與實驗數據進行比較,結果吻合的較好。
  19. The increased heat resulting from this flow reduces the density of the plates, causing them to float higher, thus elevating the boundaries by many thousands of feet above the colder surrounding sea floor

    這種所產生的不斷增加的熱量降低了板塊的密度,導致它們向上,從而抬升這些邊界在其周圍較冷的海底以上達數千英尺。
  20. The influence of uneven flow between the gas and liquid was calculated by the drift flux model

    採用模型來模擬計算氣液混合物內相間非均勻的影響。
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