field effect variable 中文意思是什麼

field effect variable 解釋
場效應變量
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • effect : n 1 結果。2 效能,效果,效力,效應,作用,功效;影響。3 感觸,印象;外觀,現象。4 旨趣,意義。5 ...
  • variable : adj 1 易變的,變化無常的,無定的 (opp constant steady)。2 可變的,能變的;變換的。3 【數學】變...
  1. Taking core loss into account has important effect to improve the torque performance of the motors " field oriented control. in this paper, the transient mathematical model of the asynchronous motor with core loss is setup. the method is proposed that minimizes the loss in a variable speed and torque at the synchronous rotating coordinate

    在對損耗分析的基礎上,建立了考慮鐵損時異步電機的動態數學模型,推導出在同步旋轉坐標系下變速、變轉矩時使電機功率損耗最小的方法,並且結合矢量變換提出了基於快速轉子磁場定向的矢量控制。
  2. And that, the variable regulations of stress filed, deformation field and plastic failure zones in the surrounding rock mass of the underground cavities are summarized. based on the analysis of the effects of rock mass qualities on surrounding rock mass stability, the control effect of rock mass qualities about stability of surrounding rock mass was studied

    總結了地下洞室群圍巖應力、變形和破壞區的分佈特徵和變化規律,並通過對比分析圍巖質量對其穩定性的影響,闡明了巖體質量對圍巖穩定性的控製作用,為洞室群穩定性評價和工程設計施工提供了基礎資料和理論依據。
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