foc 中文意思是什麼

foc 解釋
FOC, f. o. c. ＝ free of charge 免費。

  1. Free of claims foc ; f. o. c

    已知意外索賠除外
  2. Full operation capability foc

    完全運作能力
  3. Foc frame - interline transfer

    幀一行間轉移
  4. Forward control channel foc

    前向控制通道
  5. 3 fourth order cumulant ( foc ) different slice - based adaptive dynamic line enhancement algorithms are presented

    3提出了基於四階累積量不同切片的間接自適應動態線譜增強演算法。
  6. The simulation results of sfvc is compared to the foc ' s and verified the conclusion just mentioned

    文中應用matlab simulink構造了該系統並和經典矢量控制系統作了模擬比較。
  7. We re all foc s le hands, you mean, snapped silver we can steer a course, but who s to set one

    「我們能按照一條航線來行駛，但是由誰來確定這條航線呢？那就是你們這些大爺們全都傻眼的地方。
  8. From the angle world welfare, we have to make the marginal cost of foc ships equal to marginal social cost

    從全球福利出發，我們必須採取國際公約、國際組織和港口國監控等措施來消除其負外部性。
  9. For example, we afford that to create the moulds foc for customers if the first order qty is 100, 000pcs for powder cakes case and ect

    為客戶設計開發oem - odm外型專利產品專業塑膠日化容器千套公模定製私模
  10. This dissertation is the result of the research and development of a speed - sonserless field - oriented controller ( foc ) system of induction motor

    本論文的研究目標是感應電機無速度傳感器矢量控制系統的實現。
  11. A conception of phase dynamic coupling is defined. the foc of the mot - radiated line spectrum signals is theoretically derived

    在研究中，定義了相位動態耦合的概念，推導了水下運動目標輻射線譜信號的四階累積量表徵公式。
  12. Confronted with the seriousness of the problems of safety and pollution, several effective measures such as international conventions and port state control should be used to improve the technical condition of foc ships

    面對船舶開放登記比較嚴重的安全和環境問題，我們應該促使開放登記國提高其技術標準，以使方便旗船的邊際私人成本趨近於邊際社會成本。
  13. Firstly, according to the detailed analysis on the mathematical model of pmsm, the principle of field oriented control ( foc ) is illustrated. spwm and svpwm are analyzed and contrasted in detail too, and the digital realization techniques based on dsp are given

    本文首先在分析永磁同步電機數學模型的基礎上，闡述了永磁同步電機矢量控制基本原理；對正弦波調制技術（ spwm ）和空間矢量調制技術（ svpwm ）兩種脈寬調制策略進行了詳細的分析和對比研究，給出了基於dsp的數字化實現方法。
  14. 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學模型是高階、非線性、強耦合的多變量輸入輸出系統，介紹了交流電機的正弦脈寬調制、開環電壓空間矢量的u / f控制和磁場定向控制的原理及控制演算法，並利用dsp構成控制系統，通過匯編語言和16位定點c語言混合編程的方法實現了上述的變頻調速控制策略。
  15. In the fourth chapter, the customer value orientation and the theoretical framework for cvm are discussed. customer value orientation is both market orientation and learning orientation with customer value as a foc

    文章借鑒領先用戶的思想方法，提出最有信息客戶法（ themostinfonnativeeustomermethodology ） ，和相應的管理步驟和過程。
  16. High resolution direction - finding using array signal processing plays an important role in the new electronic reconnaissance satellite system. several algorithms, such as music esprit, wsf, foc - music, are researched in this paper. the analysis of these algorithms principle and the comparison of their performance from the point of view of engineering are given too

    採用陣列信號處理進行高解析度測向是新體制電子偵察衛星最關鍵的一個環節，本文研究了music 、 esprit 、 wsf 、 foc ? music等演算法的原理並從工程實用的角度分析比較了它們的性能。
  17. The second, it is proposed that a foc mentioned above can be modeled with a fast time optimal position control system based on the pontryagin ' s minimum principle, which may become a speed - sensorless time optimal one by using speed estimator

    接著，分析了pontryagin極小值原理，指出用bang - bang開關信號可對上述系統實現最優時間控制，若速度量採用估計，則生成無速度傳感器的時間最優系統。
  18. The paper attempts to explore the main issues of flagging out, review exiting maritime policy, and find out some reasonable alternatives for government to deal with foc issues

    本研究簡要回顧1936 - 2001年海運政策，並且對于現行政府所採行稅賦減免、船員雇傭、船貨協調、船舶補助、兩岸直航、雙重船籍檢查證書以及徵用補助措施作分析，最後尋求合適建議對策供參考。
  19. In engineering, vector control ( vc ) is called as filed orientation control ( foc ). the principle of foc is to divide stator current into two dc components. one of them is oriented to the rotor magnetic flux, another is oriented to the torque. the operating process can be carried out by transforming coordinate in magnitude flux and torque keeping consistent conditions

    矢量控制一般稱為磁場定向控制，該控制理論的原理是在轉子磁通和轉矩保持不變的情況下通過坐標變換將異步電機的定子電流分解為按轉子磁場定向的兩個分量分別進行控制，從而實現轉子磁通和轉矩的解耦。
  20. After studying a lot of documents, we present a speed - estimating method for direct torque control system. this method is based on the theory of dtc, but it takes advantage of the convenient of both the theory of dtc and the theory of foc. we need only to sample the stator ' s current to estimate the speed of the rotor, at the same time the integration of the voltage is avoided

    在研究大量文獻的基礎上提出了一種適用於交流電機dtc控制系統的轉速計算方法，該方法以dtc控制為中心，結合dtc和定子磁場定向和轉子磁場定向各自的特點，綜合利用各自的有利之處，只需測量定子電流，避免了對電壓積分，思路清晰，計算簡單。
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