duty ratio 中文意思是什麼

duty ratio 解釋
負荷比
  • duty : n 1 義務，本份；責任；職責，職務，職能。2 忠節，孝順；恭敬，尊敬，敬意；義，誼。3 稅，關稅；【機...
  • ratio : n. （pl. ratios）1. 比，比率，比值；比例；系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達；求出…的比值；使…成比例。2. 將（相片）按比例放大或縮小。
  1. Designed the dual - loop control circuit based on optimized psm, which realize to select the suitable duty ratio to make output stable by utilizing voltage and current feedback loops

    3 ）設計基於優化psm調制模式的雙環控制電路。採用電壓、電流雙環路控制，根據負載情況選擇合適占空比來實現穩壓。
  2. The equation is related to both of the grating period and the sampled period, which have no relation to the duty ratio, the length of the gratings and the coupling coefficient

    這一方程與光柵的周期和取樣周期有關，它們共同確定了各反射峰的中心波長，與取樣時的占空比、光柵長度和耦合系數沒有關系。
  3. Measurements include frequency, frequency ratio, time interval, rise fall time, phase, duty cycle,

    量測項目包括頻率頻率比時間間隔上升下降時間相位信號周期
  4. Single speed motor drive connected to a helical worm gear and a totally enclosed connecting gear box with heavy duty chain drive to the rolls and with fixed friction ratio according to customers request ( normally 1 : 1, 2 )

    系統帶有同螺旋渦齒輪以及全封閉齒輪箱的單速馬達，它帶有重型鏈傳動系統並可根據客戶的需要固定摩擦比（通常為1 : 1 . 2 ） 。
  5. Finally, by practical test, experimental data obtained show that the dynamic thrust measuring system is dramatically available and successful. especially, it shows that when the impulse width is 20ms and the duty ratio is 1 : 3, the measured results are stable and reliable. hence, the system designed here can meat the test requirements of the actual applications, and the technology studied in the thesis also give a good foundation to future research work

    最後，系統建成以後，通過多次調試試車、考核試車和實際型號試車的考核，試車結果表明，該系統的設計是成功的，動態推力數據穩定、可靠，可滿足發動機以20ms脈寬工作，占空比為1 : 3的情況下，進行發動機的動態推力性能指標測試，滿足實際應用的需求，為進一步進行動態推力測試技術研究奠定了良好的基礎。
  6. A pseudo - continue waveform system of long two - phase code with a high duty ratio is presented and its signal processing is discussed

    摘要提出了一種高占空比長二相碼準連續波雷達體制，並就其中的信號處理問題展開了討論。
  7. A variable reactance can be realized by duty ratio control. then the fcl can attain to the goal of controllable limiting fault current and controllable series compensation. first, the topology of pwm - fcl is proposed based on the analysis of others " s research

    它是由一個以pwm原理控制的電感模塊和一個補償電容並聯后，再與一個限流電感串聯而成，改變脈沖的占空比可以得到變化的阻抗，實現限流和串聯補償。
  8. 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。
  9. 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。
  10. This converter not only retains the advantages of ttfc but also has only two camping diodes. moreover the proposed converter operates at nearly unity duty - ratio for very high efficiency and eliminates the voltage overshoot of the output rectifying diodes

    本文提出了一種新型直直變壓器拓撲，該拓撲不僅保留了雙管正激變換器的優點，而且在原邊僅含兩個續流二極體，電路結構簡單。
  11. The output voltage parameters such as amplitude, frequency and duty ratio can be variable in a wide range with programmable digital adjustment

    脈沖電壓的幅值、脈沖頻率和占空比等參數在較大范圍內實現可編程數字調節。
  12. In the study of oled performance under ac - voltage driving, we also found the performance of oled is largely impacted by driving frequency and duty ratio, the frequency around 50hz and duty ratio around 50 % is most fit for oled

    交流驅動的頻率和占空比對oled器件各方面的性能都有很大的影響，當頻率為50hz左右，占空比為50 %左右時， oled器件的性能為最佳。
  13. Utilizing phase modulator for realizing nrz - to - rz data format conversion with tunable duty ratio

    4標準的基於形狀自適應離散餘弦變換
  14. The new approach achieved inverter switch ' s duty ratio control and made torque ripple minimum

    該方法實現了逆變器開關周期的占空比控制，使感應電動機的轉矩脈動達到最小。
  15. By comparing traditional dtc approach with fnn duty ratio control scheme, the effectiveness of fnn duty ratio control scheme was verified

    將傳統的直接轉矩控制方案和模糊神經網路占空比控制方案進行了比較研究，模擬結果校驗了模糊神經網路占空比控制方案的有效性。
  16. 2 ). proposed optimized psm according to the disadvantages of psm, and researched its stability and the selection of the duty ratio based on the balance theory of energy. 3 )

    2 ）針對psm調制模式的缺點提出一種優化的psm調制模式，並基於能量平衡原理就其穩定性和占空比選取情況進行理論研究。
  17. The method of controlling the a / f combines the open and closed loop systems and gradually improves the accuracy of the lpg injection duty ratio by rough regulation, smooth regulation and micro - regulation

    本文採用開閉環互相結合，粗、細、微調逐步精確噴氣占空比的控制方式研製了lpg發動機空燃比控制器。
  18. The task in the open loop system is to get lpg injection duty ratio in pre - set two dimension map according to practical engine operation condition, while the task in the closed - loop system is to calculate lpg injection duty ratio by the approaching increment method or the proportion and integral ( pi ) controller according to the signal of the oxygen sensor. to eliminate the oscillation phenomena of the signal of the oxygen sensor in low - speed condition, this paper develops the stable increment method

    開環階段根據實時工況參數對事先制取的噴氣占空比map圖執行取值操作；閉環階段根據氧傳感器反饋信號通過增量逼近法或pi環節計算輸出適合即時工況的噴氣占空比值；為解決低速振蕩現象，本文運用固定增量法，對系統進行低速振蕩微調。
  19. In addition, the performance criterion is respectively described, and the torque ripple at low - speed is analyzed in this paper. according to a method to adjust the duty ratio coefficient, we select a torque track with adaptation fuzzy controller to simulate. the experimental results show that the control strategy proposed can acquire better control effect

    針對直接轉矩控制系統在低速運行時依然存在的轉矩脈動大、運行性能差的問題進行研究分析，結合傳統的固定采樣周期控制方法，提出一種基於自適應模糊轉矩跟蹤法，調節電壓矢量占空因子，進行模擬研究，改善了系統的低速性能。
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