directive selection 中文意思是什麼

directive selection 解釋
定向選擇
  • directive : n. 〈美國〉命令,訓令,指令;方針。adj. 1. 指導的,指揮的;管理的。2. 【無線電】指向[定向]式的。
  • selection : n. 1. 選擇;挑選;選拔。2. 拔萃;選擇物;精選物[品];文選。3. 【無線電】分離,(自動電話)撥號。4. 【生物學】選擇,淘汰。
  1. Arc - grounding fault line selection is the paper ' s key point and innovative point about small current grounding power systems. a lot of simulations are made based on the change rule and the character of fault voltage, fault current. the simulation study declare that the use of the method of wavelet analysis can select the fault line when the arc - grounding fault take place, it will play a important directive role in the research of the protection equipment

    對小電流接地系統電弧故障的選線模擬是本文的重點,也是一個創新點,本文從研究的角度,在深入分析電弧接地時故障電壓、電流的特點和變化情況的基礎上,進行了大量的選線模擬,模擬表明電弧故障時,小波分析方法也能準確地選出故障線路,這對研製高性能的接地保護裝置將起到重要的指導作用。
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