Fiberglass-steel sucker rod zero damping model was established,and the frequency factor design formulation was given.
建立了玻璃鋼-鋼混合抽油桿柱無阻尼振動模型;給出了計算頻率系數的計算公式;分析了二級玻璃鋼混合桿柱面積比(Y1)、長度比(Y2)對桿柱頻率系數的影響;給出了桿柱組成比例的合理范圍。
Quantitative analysis of relationship between transitory internal friction and frequency during reverse martensitic transformation in Ni_(49.8)Ti_(50.2) alloy;
Ni_(49.8)Ti_(50.2)合金馬氏體逆相變的瞬態內耗與頻率間關系的定量分析
Influencing analysis of human activities on frequency of red tides(HABs) in Zhejiang Sea Areas;
人類活動對浙江近海赤潮發生頻率的影響分析
The Gradient Analysis with Frequency Variation in Optical-electrical Characteristic of Liquid Crystal Light Valve;
液晶光閥特殊光電特性中的陡度隨頻率變化的分析
A separable approach based on the SVD of a data matrix is proposed to estimate frequencies and bearings of noise sources by a uniform linear array.
本文提出利用均勻線陣接收的數據構造一種矩陣進行奇異值分解,以對頻率、方位兩參數進行分離估計,用頻率譜估計出聲源頻率,用方位譜估計出聲源方位角。
By using CAD software, the influence of mass and spring constant on system natural frequencies and mode shapes is discussed respectively.
本文首先導出了該系統頻率和振型的分析表達式,并利用計算機輔助設計軟件,分別討論了質塊質量及彈簧常數對系統頻率的影響。
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