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电子学报  2015 

双注电子枪中最小二乘法拟合磁场的研究

DOI: 10.3969/j.issn.0372-2112.2015.07.022, PP. 1395-1398

Keywords: 电子枪,磁场,最小二乘法,拟合

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Abstract:

用粒子仿真软件EGUN和MAGIC仿真电子枪时,需设置一组线圈来拟合磁控注入电子枪的磁场.为了提高设计效率,采用最小二乘法计算线圈参数,拟合电子枪磁场,计算结果用于34GHz双注磁控注入电子枪的仿真中,仿真结果表明:最小二乘法能够直接计算出拟合磁场的线圈组合,提高设计电子枪的效率;仿真的双注磁控注入电子枪电子速度零散小,横纵速度比适中,满足回旋管对电子枪的要求.

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