輸入動脈 的英文怎麼說

中文拼音 [shūdòngmài]
輸入動脈 英文
afferent artery
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
  • 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  1. The system comprises three modules : the first is the ccd driver module, which controlled with cpld. programming the cpld to produce ccd driving pulses and synchronized communication signals. after preprocessing, the output video signals are transmitted into high resolution adc module, in which they are converted into digital signals, and then processed in arm processing module

    整個系統分為三個模塊: ccd驅模塊的核心是一片復雜可編程邏輯器件( cpld ) ,對其編程產生ccd的驅沖及同步控制信號;視頻出信號經預處理后,由高精度ad轉換模塊進行采樣,將ccd出的模擬信號轉換成數字量;最後,將數據送arm處理系統中進行后續處理。
  2. Ppfc working principle, circular current and effects of clamping capacitor are studied in this paper in detail. because of the clamping capacitor, ppfc have some good features compared with ppc : reducing the fluctuate of the input current ; restraining the voltage spike of the power mosfet ; avoiding the bias - magnetic of the transformer

    由於箝位電容的加,相對于推挽電路而言,該拓撲具備了一些獨特的優點:減小了電流的:削弱了開關管的關斷電壓尖峰;有效抑制了變壓器的偏磁。
  3. The feedback of the output voltage is the major control loop. to achieve better frequency response and disturbance rejection of the input voltage, a input voltage feed - forward system is introduced in control loop. the duty - cycle of pwm applied at the gate of power mosfet is modulated by both input and output voltage

    該晶元採用的控制方式為電壓型pwm (沖寬度調制, pulsewidthmodulation )控制方式,以出電壓反饋作為主要控制參量,同時為了提高晶元對電壓擾的響應速度,採用了電壓前饋方法,將電壓因素引了反饋控制環中,通過對出電壓的檢測,控制加在功率mos管柵極電壓上矩形沖的占空比,進而調節出電壓。
  4. The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed

    視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理,設計了浮閾值二值化處理電路,採用兩路計數器對沖信號采樣計數,最後送微處理器進行運算處理,可實現測量值的儲存、顯示等,並設計了與上位機的通訊介面。
  5. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引開關函數概念,建立了正弦寬調制( spwm )逆變器供電異步電機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電機系統能量轉換角度出發,提出通過檢測逆變器電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  6. Firstly, the mechanism of self - excited oscillation was introduced. when the water jets from the inlet nozzle flows into the chamber, the momentum exchange between the jet and the liquid in the chamber occurs, thus to form an unstable shearing layer with certain thickness

    這是一種嶄新的強化換熱技術,流體能夠造成換熱器全程的換熱強化,而且自激振蕩沖射流強化換熱技術本身是一種無功強化的方法,無需外部能量來產生擾
  7. The operation principle, stability and current ripple of the output filter inductor between serial and parallel modes are analyzed. a 1000 va serial and parallel combined dual buck half - bridge inverter ( dbhbi ) has been implemented to verify the analysis

    文章分析了該逆變器的工作原理、串並聯兩種運行模式對出濾波電感電流電壓、系統穩定性的影響,並以1000va雙降壓式半橋逆變器為例進行了實驗驗證。
  8. Author has investigated the air - volume affect the pressure oscillation in piping system from converse viewpoint. when the structure parameters of the air - volume are some certain value, the pressure oscillation in the exit of the piping system is magnified. this idea makes us a new way to design the power source of high pressure water - jet

    研究表明:當設計的空氣室結構參數(空氣室的容積,安裝位置等)取某組數值時,管道出口端的壓力波幅值遠大於系統壓力波幅值,從而為設計高壓沖水射流的力源提供了一條新的思路。
  9. In this paper, the corresponding software is programmed employing the matlab. the structure parameters of the air - volume, and the pressure oscillation at the exit of the pipe can be calculated as soon as the preliminary data have been given this research project is funded from the national natural science foundation of china. ( 598740337 )

    本文研究了空氣室對管道系統壓力的影響,提出了消減或增強壓力的空氣室設計方法,利用matlab編制出相應的計算軟體,只須管道系統的相關數據,便可計算出空氣室的結構參數和管道出口端處的壓力幅值。
  10. Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed

    對衛星平臺姿態振對紅外相機掃描機構轉的影響進行了系統深的模擬分析:首先在步進電機驅力矩一定條件下,模擬分析了星體姿態運干擾力矩對紅外相機掃描鏡轉的影響;接著建立了步進電機的數學模型,在步進電機沖頻率一定條件下,模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉情況。
  11. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦模擬方法求解數值計算模型控制方程時,亞網格雷諾應力項沿用了亞網格渦粘性系數思路,引亞網格紊流能k的運方程,建立了關于亞網格紊流能k和紊流特徵長度l的k - l模型求解。
  12. By inputting impulsive excitation, the dynamic simulation of vertical wheel / rail force, wheel / rail contact stress and accelerations of axle and bogie frame for resilient wheelset system is carried out and the results are analyzed and compared with the system of rigid wheelset. in additions, the stiffness of rubber is optimized

    其次通過沖型激擾,對彈性輪對車輛軌道垂向耦合系統進行了輪軌力、輪軌接觸壓力和車軸及構架加速度的力學模擬,並與剛性輪對車輛的計算結果進行了比較和分析,優化了橡膠的剛度。
  13. Because of the clamping capacitor and the interleaved structure, it has some good features compared with other flyback converters, such as : the topology is simple and can be realized easily ; the voltage spike of the power switch is availably restrained and without leakage - inductance energy loss ; the ripple of the input and output current is reduced, correspondingly, the volume and weight of the output and input filter is also significantly reduced

    由於箝位電容的加,相對于其他類型的反激式變換器電路,該拓撲具有一些獨特的優點:電路結構簡單且易於實現;無需另加輔助開關管,實現了開關管的有源箝位,抑制了開關管的電壓尖峰;提高了出電流的頻率,減小了出濾波器體積。
  14. As for the problems in the experimentation, such as the slow response speed of axes torque control, the disturbance of torque control to position control of throttle lever and the torque fluctuation of axis, solutions had been put forward and proved theoretically

    對于試驗過程中出現的以下問題,油門桿高速運軸力矩控制的響應速度較慢,軸力矩控制對油門桿位置控制的擾,以及軸力矩現象,提出了解決方法,並且從理論上加以驗證。
  15. After the collection of experiment data, the model, whose input was pulse width and output was power, was identified in armax model type

    採集實驗數據,以armax為模型類進行辨識,獲取了蹬踏運時,以沖寬度為、曲柄處功率為出的人機模型。
  16. Secondly, considering the need of frequency stabilization, mdrlg ' s light intensity is simulated. the simulations indicate that sharp pulses are produced in the ac light intensity by mechanical dither. as the pulses have a wide frequency spectrum and range over the modulation frequencies of frequency stabilization, mechanical dither may reduce the precision of frequency stabilization

    其次,根據穩頻需要對機抖陀螺出光強進行了模擬,模擬表明機械抖會在交流光強中引尖峰沖,且尖峰沖頻譜分佈較寬,在小抖穩頻調制頻率范圍內有功率出,因而可能降低穩頻精度。
  17. Today, the primary disease that endangers the life of people in the world is cardiac disease. one of the main reasons that cause cardiovascular diseases is atheroscleorsis ( as ). many researches show that elevated levels and oxidation of low - density lipoprotein ( ldl ) are associated with an increased incidence of as

    目前,心血管疾病正日益嚴重地危害人類健康,而粥樣硬化在其發病過程中起著重要作用,業已證明人體血液中運膽固醇的低密度脂蛋白( lowdensitylipoprotein , ldl )的升高及由此而引起ldl進血管壁中並被氧化成氧化型的低密度脂蛋白是其主要原因。
  18. The dynamic matrix control algorithms based on finite impulse response are studied. the model errors are defined in the form of upper and lower bound and the error square sum of impulse response coefficients of single - input / single - output systems. the robust stability conditions are proposed for closed - loop systems using dmc in the form of lmi, which can assure the closed - loop system using dmc algorithm to be asymptotically stable, when the coefficients of characteristic polynomial do n ' t satisfy jury ' s dominant coefficient lemma

    浙江大學博士學位論文4 .研究了基於沖響應模型的態矩陣預測控制田mc )演算法,針對單、單出系統可能出現的預測模型誤差,分別以沖響應系數上下界和沖響應系數誤差平方和的形式對預測模型的模型誤差進行定義,根據該定義以線性矩陣不等式的形式分別提出了閉環系統魯棒穩定判據,當閉環多項式系數不能滿足j切嘆主系數定理的情況下仍能保證系統閉環穩定。
  19. Oxygenated blood is supplied to the legs by arteries at high pressure and returns to the heart by means of veins, having had much of the oxygen removed to supply the tissues of the legs. it then passes through the lungs to be re - oxygenated before returning once again to the heart to be circulated again

    帶氧血液以高壓由送至腿部,其中大量氧份用以供應腿部組織,血液再經由靜傳送至心臟,然後流經肺部,重新攝取氧份,再進心臟,開始另一次循環過程。
  20. Our circulatory system ? heart, arteries, capillaries, veins ? transport nourishment, oxygen, and an assortment of other chemicals and substances ( hormones, biological warriors, waste materials and occasional invading buggies ) to and from all of our body parts ( individual cells )

    循環系統? ?心臟、、毛細血管、靜? ?可以把營養物質、氧氣和一些化學成分和物質(激素、微生物、廢棄物和一些有時侵的臭蟲送到身體的各個部分,也可以把他們運送出來。
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