one-cycle 中文意思是什麼

one-cycle 解釋
單周的
  • one : adj 1 獨一個的，單一的。 one hand 一隻手。 one shot 只出一期的雜志。 O swallow doesn t make a sum...
  • cycle : n 1 循環，周期，一轉。2 周時，周年，年紀。3 （詩、故事等的）始末。4 自行車，三輪車，摩托車。5 【...
  1. In this thesis, one cycle controlled switching power amplifier is analyzed detailed in theory and researched in simulation and experiment. main work and conclusion are described below. first, the basic structure and operational principle of one cycle controlled half - bridge and bridge circuit are analyzed, and control equation are deduced

    主要工作和結論如下：首先，對單周控制的半橋和全橋開關功率放大器的基本結構和工作原理進行了分析，推導了具體的控制方程，建立了單周控制的全橋開關功率放大器的小信號模型。
  2. Second, the results of theory analysis and simulation research show that the output of one cycle controlled bridge switching power amplifier have dc offset because of the nonideal characteristic of reset signal. the magnitude of output dc offset voltage is proportional to width of reset pulse. a voltage compensation technique is used to solve this question, and the computation formula of compensation voltage is gived. the circuit compensated and not are researched through simulation and experiment, which results show that compensated circuit solve the output dc offset effectively

    其次，理論分析和模擬研究結果表明，由於復位脈沖的非理想特性，單周控制的全橋開關功率放大器輸出端存在直流偏置問題，其大小與復位脈沖的寬度成正比。針對輸出直流偏置問題，提出了電壓補償的改進方案，給出了補償電壓的具體計算公式。對補償前和補償后的方案進行了對比模擬研究和實驗研究。
  3. At last, control circuit of one cycle controlled bridge switching power amplifier is improved with the basic idea of one cycle control. the simulation results show that the amplifier of improved control circuit not only solve the question of output dc offset, but also keep the voltage gain lowered by voltage compensation technique

    最後，根據單周控制的基本思路，改進了單周控制的全橋開關功率放大器的控制電路。模擬結果表明，改進控制電路后的系統不但解決了輸出直流偏置問題，而且解決了電壓補償方法所造成的放大器增益下降問題。
  4. Proposition 2. 10 the base graph of a " s algebraic quiver is one of extended dynkin diagrams, and one cycle added at each vertex

    命題2 10a ~的代數箭圖的基圖為拓廣dynkin圖，再在每個頂點處加一個圈。
  5. One - cycle control of active power factor correction

    單周期控制有源功率因數校正
  6. One - cycle control response fast, it can reject power perturbations and the control circuit is simple and reliable

    單周控製法具有響應快、抗電源干擾和控制電路簡單可靠等優點。
  7. The defect of this method is that the virtual value will lag the instantaneous value about one cycle. this event result in the virtual value is not exact

    這種方法的缺點是有效值的求取要滯后瞬時值將近一個周期，使得有效值的求取並不準確。
  8. ( 2 ) for any connected graph g if there is at more one cycle, than and by proofing conclusion 2, we obtain findings on unique smallest domination set

    （ 2 ）對于連通圖g來說，若圖g中最多有一個圖，那麼而在證明結論（ 2 ）時，本文得出了唯一最小控制集的一個充分條件
  9. Compare to other kindred products, besides adjustment of speed, the new calibrater can adjust teeth number and voltage of fanout. the new calibrater can also output a pulse one cycle which simulate cylinder top dead center

    這種標定器與國內外同類產品相比，除了轉速可變外，還有一些創新之處：齒數可調、輸出幅值可調、同時可以輸出每周一個的上死點參考信號。
  10. Based the simplest solutions of control equations, one - cycle controller for the three - phase four - wire apf with four - leg is presented

    基於控制方程的最簡解，建立了單周控制四橋臂三相四線制有源電力濾波器的電路模型。
  11. Based on them, in this thesis, the one cycle control theory was successfully applied to the detection and control of apf for the first time. an apf using a novel unified constant - frequency integration control method was presented. the method employs an integrator with reset as its core component to achieve the detection and control of distortion current for apf at the same time

    文中導出apf功率開關占空比必須滿足的控制目標方程、求出apf主電路的穩態模型、建立了通用常頻積分復位控制apf的數學模型，用簡單的模擬電路實現apf的通用常頻積分復位控制電路和通用常頻積分復位控制apf系統。
  12. In this thesis the lbsp identification medium screening techniques was used. only after one cycle, large quantities no - function recombination plamid and enzyme activity increasing 20 times recombination plasmid were obtained

    本研究用lbsp鑒別培養基直接篩選技術，僅一個循環就獲得了大量無酶活的重組質粒和酶活提高了20倍的突變基因。
  13. A model of letting out of no oil ubricated double whirlpools vortex air compressor was set up, the length of leak line of one cycle was calculated the change of the leak line at work, the change of the length of leak line varying with the crank corner, and the change of the leak amount varying with the pressure of revealing atmospheric and crank corner were analyzed

    摘要建立了無油潤滑雙渦圈渦旋壓縮機的泄露模型，根據型線的幾何理論計算了一個周期內泄漏線的長度，分析了在工作過程中泄漏線的變化，泄漏線長度隨曲柄轉角的變化，以及泄露量隨排氣壓力，曲柄轉角的變代情況。
  14. The objective function was to maximize the thermal power from the working medium in one cycle. in this way the output power of se would be maximum when the other parameters have be determined and the parameters of driving mechanism satisfied the restrictive conditions

    建立了菱形傳動機構尺度優化綜合的數學模型，在滿足傳動機構約束條件的情況下，優化傳動機構的幾何參數，以使熱氣機的輸出功率在其它參數已定時達到最大。
  15. Three - phase four - wire apf with one - cycle control need not sense the three phase load currents or the three phase voltages, need not calculate the harmonics and reactive current components, as well as the use of any multipliers

    單周控制三相四線制有源電力濾波器不需要檢測三相負載電流和三相電源電壓，不需要檢測諧波和無功電流，也不需要使用任何乘法器。
  16. One - cycle control method is a nonlinear control method. by controlling the switch duty - ratio, it can make the average value of a switched variable equal to or proportional to the control reference in each cycle, so the stationary and transient errors are eliminated

    單周控製法是一種非線性控製法，它通過控制開關占空比，使在每個周期內開關變量的平均值與控制參考信號相等或成一定比例，從而消除穩態和瞬態誤差。
  17. One - cycle control technique is conceived to control the duty - ratio d of the switch in real time such that in each cycle the average value of the chopped waveform at the output diode of the switch rectifier is exactly equal or proportioned to the control reference. it can eliminate automatically instantaneous error in every one cycle and the error belonging to the former cycle ca n ' t be brought to next cycle

    單周期控制技術的基本思想是控制開關的占空比，在每個周期內強迫開關變量的平均值與控制參量相等或成比例，它能在一個開關周期內自動消除瞬態誤差，前一周期的誤差不會帶到下一周期。
  18. Since there are a lot of periodic non - stationary stochastic processes, i combine the kalman filtering and multiresolution analysis methods, and propose the wavelet - kalman filtering hybrid estimating and forecasting method. this method has the real - time, recursion and multiresolution characteristics. in this paper, using this method, i realize the real - time tracking and dynamic multistep forecasting in one cycle

    針對自然、社會和經濟等環境中存在有大量周期性的非平穩隨機過程，我們將kf方法和多尺度分析方法相結合，提出了既具有實時性和遞歸性又具有多尺度分析能力的小波?卡爾曼濾波混合估計與預報方法，應用此方法可實現周期內對目標狀態的實時跟蹤估計和動態多步預報。
  19. In the end, simulations are carried out by the mathematic model of asvg with one - cycle control

    最後，在詳細的數學模型基礎上對應用單周控制的靜止無功發生器進行模擬研究。
  20. Charpter 3 : this charpter investigated the propagation of one - cycle or few - cycle ultrashort pulsed beam in free space

    第三章：這一章研究了單周期或更短的超短脈沖光束在真空中的傳輸問題。
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