quadrature potential focus (electron gun) 正交电势聚焦(电子枪),四电位聚焦(电子枪);quantitative precipitation forecast 定量降水预报;
Performance Analysis of Parameter Estimation Algorithm for LFM Signals using Quadratic Phase Function
基于QPF的LFM信号参数估计算法性能分析
In recent years, with the development of modern manufacturing, materials and processes are required for the continuous improvement. Quick plastic forming ( QPF) technology of magnesium alloy have become a hot spot in manufacturing.
随着现代制造业对材料和工艺要求的不断提高,近年来镁合金的快速气压胀形工艺已成为加工界的热点。
Calculation and Analysis of 25 Inches QPF Dynamic-Focus Electron Gun
25英寸QPF动态聚焦电子枪的计算和分析
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