角因數 的英文怎麼說

中文拼音 [jiǎoyīnshǔ]
角因數 英文
angle factor
  • 角 : 角Ⅰ名詞1 （牛、羊、 鹿等頭上長出的堅硬的東西） horn 2 （古時軍中吹的樂器） bugle; horn 3 （形狀像...
  • 因 : Ⅰ動詞[書面語] （沿襲） follow; carry on Ⅱ介詞1 [書面語] （憑借; 根據） on the basis of; in accord...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. Since pixel - level contrapose pixel coordinate, trigonometric function must be used to translate polar coordinates to pixel coordinate when the curve is described by polar coordinate. so research is very little on algorithms for generating this sort of curve by now

    由於逐點是針對象素坐標系而言，而對極坐標系下描述的曲線，在轉換到象素坐標系時要用到三角函數運算，因此目前很少提到對極坐標曲線生成演算法的研究。
  2. The system is different from traditional silicon controlled dephasing method, such speedy modules as whole controlled electric and electronic equipment igbt and high frequency pwm controlling methods are employed, and the voltage of exchanging power supply of motor of beam pumping units can be controlled automatically, so there is no problem of power factor being decreased brought by silicon controlled phase single controlled, power factor in power net of beam pumping units " motor is enhanced really

    由於雙管齊下，電機電網側的功率因數得到了大大提高。與傳統的可控硅移相控制方式不同，本系統採用全控型電力電子器件igbt等快速模塊及高頻pwm控制方式，對抽油機電機的交流供電電壓進行自動控制，不存在可控硅相控角所帶來的功率因數變差的問題，真正提高了抽油機電網側的功率因數。
  3. This text draws the basic principle of infrared diagnoses based on the primary knowledge of infrared radiation, and analyse the imaging principle of infrared devices ; from the view of infrared diagnostic technology we discuss the fault models and the principium of infrared diagnosis on electrical equipments ; then this paper research the diagnosis of electrical equipments fault by using infrared devices, obtain the hot picture atlas of equipment fault and analysis the hot picture atlas ; the text analyse the various kinds of possible factor which might effect the results of infrared diagnosing in electrical equipments, and propose correspondingly countermeasure against these factor in order to improve the accuracy of measurement ; finally, by using infrared diagnosing techniques analyse and diagnose the interior or exterior fault in part of transformers and arresters in electric network of si chuan, and the results obtained from the text accord with practice

    本文在紅外輻射的基礎知識上引出紅外診斷的基本原理，分析了紅外成像儀的成像原理；並從紅外診斷的角度研究了電氣設備的故障模式及其診斷的機理；研究了利用紅外熱像儀對電氣設備的故障進行診斷，獲取設備故障熱像圖譜並進行熱像圖譜的分析；對影響電氣設備紅外技術診斷結果的各種可能因素進行了分析探討，並針對這些干擾因數，提出了相應的對策，以提高檢測的準確性；論文最後應用紅外熱成像技術對四川電網中的部分變壓器和避雷器典型的內外部故障進行了診斷分析，得到與實際相符的結果。
  4. By analyzing the basic principle of voltage space vector pwm, a method is proposed to choose the zero vectors dynamically according to the power factor angle of the load and the concept of the lag angle of non - switching sectors

    在分析了空間矢量pwm基本原理的基礎上，提出了一種根據負荷功率因數角動態分配零矢量的方法，並引入了不開關扇區滯后角的概念。
  5. Methods are explored to improve power factors of ion membrane of the rectifying device through control of the conduction angles

    探討了通過對導通角的控制來提高離子膜整流裝置功率因數的方法。
  6. And the fuzzy control technology has been studied that reduce the stator terminal voltage to achieve higher power factor through testing power factor and using certain rules. the asynchronous motor intelligence operating control system plan design has been completed. simulation design and simulation experiment of the system has been carried on, and the simulation result indicated this intelligence control system has achieved the anticipated effect

    在分析電機功率因數角的變化規律及功率因數角對晶閘管輸出電壓的影響的基礎上，提出了異步電動機在輕載或空載運行時通過檢測功率因數並經過一定規則降低定子端電壓來達到提高功率因數目的的模糊控制方法，完成了異步電動機節能運行控制系統的軟硬體設計，並進行了系統的模擬研究與實驗研究。
  7. Furthermore, it was acquired that the parameters of gecko gait ( such as gait period, stride length, duty factor ) and the angle curve of each leg according to the actual motion of them from the recorded datas which was processed and analyzed by computer programme. finally, it is concluded as the following : the angle variation of legs can be repeated during the motion ; in accord with each surface, it is varied that the gecko gait such as the period in which each leg is landed in surface, the sequence in which each leg was whether lift in advance or not during the motion. the motion speed of gecko is changed by adjusting the duty factors of each leg on the same surface

    通過對實驗結果的分析比較，得出:運動過程中各腿腿部角度的變化過程具有明顯的規律性;不同表面上壁虎各腿的支撐狀態（各腿的支撐時間及抬、落腿的先後順序）各不相同;相同的表面上，壁虎的爬行速度的變化主要是通過調整各腿的負荷因數而實現的;相同的表面上，壁虎以不同的速度運動時，其步態（各腿抬、落腿的先後順序）是相同的。
  8. In this thesis, we propose a new spherical. harmonics based 3d texture model - illumination - dependent texture ( idt ). this texture model concentrates on presenting the 3d surface detail effects due to light movement, and ignores the effects caused by variation of viewing direction

    本文提出了一種新的基於球面調和函數分析的3d紋理技術?光照相關紋理，著重表現3d紋理表面在不同光照下的視覺效果，同時忽略視角因素的影響。
  9. Therefore. the unit rotor power factor can be implemented. in the second scheme, the stator power factor can be improved by adjusting the angle between rotor voltage and rotor magnetic linkage

    在第二種控制方案中，通過控制轉子電壓與轉子磁鏈保持一定的角度，通過改變轉子電壓與轉子磁鏈的夾角，即可改變定子側功率因數。
  10. Rlc elemental meter is a kind of intelligent instrument used to measure elemental parameter such as resistance, inductance, capacity, quality and so on

    Rlc測量儀是一種以微處理器為基礎的自動測量電阻r 、電感l 、電容c 、品質因數q 、損耗角正切值d等參數的智能元件參數測量儀器。
  11. Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability

    高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心，採用了一種相角實時測量的新演算法，並在此基礎上計算出了功率因數、有功和無功，減少了運算量提高了精度；在分析了各種無功補償控制策略的基礎上，以母線電壓和無功功率復合判據控制投切，並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發，避免了電容器投切時的電流沖擊；穩態運行時接觸器替代晶閘管，實現無功補償的自動跟蹤和電容器的自動投切，解決了投切時的暫態電流沖擊和穩態時可靠運行的難題；控制器的原始運行參數採用flash自編程技術，將其保存在msp430f149片內的信息flash中，簡化了硬體電路，大大提高了系統的可靠性。
  12. Direct torque control using space vector modulation ( svm - dtc ) scheme is discussed and the detailed designed, including space vector choosing and modulating, to overcome the control difficulties coming with the characteristic of low inductance. comparing with the basic dtc, the simulation results confirm the feasibility and good performance of this strategy. in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, a proportional - plus - integral ( pi ) torque controller with variable proportion is presented to ensure exact and quick control of torque in dynamic state

    系統的闡述了永磁同步電機直接轉矩控制理論，分析了改進后的svm - dtc控制策略，並具體設計了控制技術的實現方案，包括參考矢量的生成和空間電壓矢量調制的方法；為減小電磁轉矩與轉矩角非線性關系這一因數給電機電磁轉矩動態調節造成的誤差，本文實現了變比例系數轉矩pi調節器的方案，確保了系統穩定性的同時，實現了電磁轉矩在動態過程中快速而準確調節。
  13. Power factor characteristics of the rectifier is introduced, and control methods for the conduction angles are analyzed

    摘要介紹了整流裝置的功率因數的特點，分析了導通角的控制方法。
  14. When the conduction angles are controued at 135 ~ 140, power factors of the rectifying transformer can be controlled in the rage of 0. 91 ~ 0. 94

    根據系統電壓的變化及時調整整流變壓器的檔位，當控制導通角135 ~ 140時，可以將整流變壓器的功率因數控制在0 . 91 ~ 0 . 94 。
  15. Abstract : this paper deals with the simulation result analysis of three phase synchronous generator with rectified output with stator y connected, as well as with stator connected. the curves of overlap angle, displacement angle and power factor with load are presented, and the tendency of these curves are also described

    文摘:對整流負載時凸極同步發電機定子繞組及y聯結模擬結果進行分析，繪出反映整流特性的換流重疊角、位移角以及功率因數隨負載變化曲線，並對變化趨勢進行分析。
  16. The equation among peak factor, quality factor, switch initial angel is concluded. on the basis of the equation, peak factor curve has been programmed. the rms value, peak value and switch initial angel can be shown in the screen of computer

    本文推導峰值系數與品質因數和合閘初相角的函數關系式，依此編制峰值系數曲線程序，利用對品質因數和合閘初相角的控制可使每個繞組都受到規定峰值的作用。
  17. It involves not only the detection of signal frequency, signal phase and power factor but also calculation and control of phase. the method of calculating phase is based on fast fourier transform algorithm ( fft ). it is used to calculate signal frequency, signal phase, power factor and the phase on / off time according to sampling instantaneous value of voltage and current

    本文主要提出了採用信號處理技術（快速傅里葉變換fft ） ，根據電壓、電流采樣的瞬時值，計算信號頻率、信號相位、功率因數、分合閘相角的選相控制方法，並介紹了最終控制分合閘的原理與實現方法
  18. And it analyses the power factor in different conditions via the fourier anlysis of the stator current and voltage. then, it sets up the simulating model for maximum torque / current ratio. the torque can be controlled by controlling the angle of stator current vector

    在矢量控制實現的基礎上，採用傅立葉分解分析電機的相電流和相電壓，得到矢量控制系統中電壓和電流的基波分量和相位角，進而判斷電機的功率因數，分析在不同控制情況下電機的功率因數狀況。
  19. Therefore, the modified transformation of triangle function is proposed for the oscillation series, and the monotone series can be obtained. 2

    因此，本論文提出一種變形的反三角函數變換方法，利用反三角函數的多值性，可將周期振蕩的數列變換成單調增加數列。
  20. On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp

    我們在前人的工作基礎上，利用現代數字信號處理技術和面向對象的軟體開發技術，統一了彈上黑匣子數據處理系統的操作平臺，完善了轉速、掃描角測試數據處理系統，修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ；利用有限沖擊響應（ fir ）濾波器，在濾去噪聲的同時，有效地解決了矩形窗fft濾波的頻譜泄漏問題；另外還解決了因相位偏差而導致的測試誤差。
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