double-frequency vibration

常見例句

The vibration natural frequency of aluminum alloy double-layer cable dome is analyzed and several factors of the reticulated shell are considered as well.
分析了肋環(huán)型鋁合金雙層球面網(wǎng)殼結構的自振特性，考慮了結構多種參數(shù)的影響，并且與同種結構形式的鋼網(wǎng)殼進行了對比。
The phenomenon of beats can be observed directly on the double-channel oscillograph and the frequency of alternating current can be measured by the vibration curve of the beats.
在雙通道示波器上可直觀地觀測拍現(xiàn)象，并利用拍振動曲線測量交流電的頻率。
The synthesis of under-damping vibrations with the same frequency at two mutual vertical directions is studied and investigated using Model JGYW-2 double-single vibration apparatus.
利用JGYW 2型雙單擺振動示波裝置對兩個相互垂直方向的同頻率欠阻尼振動的合成進行了實驗研究和理論分析，得到了欠阻尼振動合成的部分圖形和表達式。