提出了一种在空腔情况下多馈源长方体加热腔的设计方法.通过调整馈孔间的位置与距离,研究其S参数及腔体内的电磁场分布.仿真结果表明,当多个馈源两两正交,且互相距离为1/4个波长的奇数倍时,腔内电磁场分布最为均匀.此项研究为工业上微波多源加热腔的优化设计提供了参考.%In this paper, a method on designing multi-feed microwave heating chamber is presented, and the S parameters and field distribution are analyzed by adjusting the space of sources. The simulated results show that the electric field distribution is uniform when the adjacent feeds are orthogonal and the distance each other is a quarter of a wavelength. The study could be taken as a reference for practical application of industry design.
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