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modulation control in Chinese

Pronunciation:
How to pronounce "modulation control""modulation control" in a sentence

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  • 調制控制器

Examples

  • Pulse width modulation control system ; pwm control system
    脈沖調寬控制系統(tǒng)
  • Pulse frequency modulation control system
    脈沖調頻控制系統(tǒng)
  • The paper introduces the design of digital variable - frequency induction motor speed modulation control systems , based on fpga
    本文提出了一種采用現(xiàn)場可編程門陣列( fpga )器件實現(xiàn)數(shù)字化變頻調速控制系統(tǒng)的設計方案。
  • The thesis tries to solve the problems in two ways : carrier wave modulation control methods and deadbeat control methods as well as some theoretic problems discussed
    本文從載波調制控制和無差拍控制兩個方面進行了嘗試,并對一些理論問題進行了一些探討。
  • Furthermore , cpld design is the necessary step for the verification of asic design . in this paper , several cpld speed modulation control systems and ip are presented
    本文設計的幾種cpld調速控制系統(tǒng)以及幾個ip核,一部分下載到芯片,通過實際驗證;一部分通過仿真驗證。
  • This dissertation proposes a new approach to nonlinear active and reactive power modulation control design for multi - infeed hvdc systems , which realizes the emergency power support to ac system in the presence of large disturbances occurred in ac system
    將己有的基于線性方法的有功及無功調制策略由單饋入直流輸電系統(tǒng)推廣至多饋入直流輸電系統(tǒng),并提出一種非線性的有功及無功調制方法。
  • These illuminate that voltage vector control of a low power tow phase inverter - fed induction motor driver as a pulse width modulation control of a two - phase inverter - fed induction motor driver system can effectively cancelled the low harmonic and improve the system performance
    相對于方波等其它供電方式的控制,采用電壓空間矢量技術在小功率兩相異步電動機的變頻調速控制上的應用可使轉矩脈動減少,效率提高,具有一定的經(jīng)濟性和實用性。
  • The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed , which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system , and simulator program of dynamic and steady condition is established , which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system , a comparison is made between predicted and experimental characteristics , experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion , harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched , which cancelled the low harmonic and improve the system performance
    通過對電機的kron變換和對稱分量變換,建立了系統(tǒng)較精確的數(shù)學模型,編制了系統(tǒng)動態(tài)及穩(wěn)態(tài)運行的仿真計算程序分別計算系統(tǒng)的動態(tài)和穩(wěn)態(tài)性能。通過對系統(tǒng)的具體參數(shù)進行了仿真運算和實驗研究,實驗和仿真結果進行比較,說明實驗和理論較為一致,并從系統(tǒng)效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統(tǒng)加以比較。在此基礎上,對兩相逆變器供電-異步電動機系統(tǒng)使用諧波抑制pwm控制進行了研究,由于減少了低次諧波,改善了系統(tǒng)性能。
  • This paper expatiated that the mathematics models of ac motor is higher order , non - linear and closed coupling , multivariable input - output system . and introduces the principle and the algorithm of sine pulse width modulation ( spwm ) , opened - loop space voltage pulse width modulation control ( svpwm ) and field oriented control ( foc ) . finally , realized the control strategies of variable - frequency speed regulating using assembly and c language
    文中闡述了交流異步電機的數(shù)學模型是高階、非線性、強耦合的多變量輸入輸出系統(tǒng),介紹了交流電機的正弦脈寬調制、開環(huán)電壓空間矢量的u / f控制和磁場定向控制的原理及控制算法,并利用dsp構成控制系統(tǒng),通過匯編語言和16位定點c語言混合編程的方法實現(xiàn)了上述的變頻調速控制策略。
  • Our results show that pmd induces pulse broadening randomly in high bit - rate optical fiber communications ; the synchronous amplitude modulation control may correct directly any position change of timing jitter and soliton interaction , so the transmission distance and pulse quality will increase further
    研究結果表明對于高速率傳輸系統(tǒng), pmd對脈沖的影響在時域上表現(xiàn)為脈沖形狀的展寬,這種展寬是隨機的;而同步幅度調制是在時域上,將發(fā)生形變的脈沖通過振幅調制,恢復原形,從而提高脈沖的傳輸性能。
  • More examples:  1  2
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