duralumin 中文意思是什麼
duralumin
解釋
n. 名詞 （制飛機用的）硬鋁，都拉鋁。a duralumin bird 鐵鳥[飛機]。
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Cold extrusion and precision extrusion forming technology for duralumin drive wheel
硬鋁主動輪冷擠壓及精推擠成形工藝 -
Eliminating noise and controling vibration, gold plated brass pin, male plug, with duralumin to cut vibration
消除雜訊制震，銅鍍金插片，公插， duralumin抑震材質使用，防磁體 -
Based on a duralumin flexible beam with piezoelectric films attached, distributed parameter modal described by partial difference equations is builded, and then turned into a set of two order systems with the method of modal analyse. state feedback control and independent modal control is investigated. and simulation of the closed - loop system with thest two methods is performed in matlab
並用模態分析的方法，將系統的偏微分方程模型轉化成了模態模型；研究了狀態反饋和獨立模態方法；進一步完善了軟體界面以及軟體功能；在實際系統中，應用狀態反饋演算法，有效抑制了懸臂梁在受到外界瞬時脈沖擾動和激振引起的一階、二階模態振動。
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