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从Maxwell方程出发,将微波腔中的实际微波场按其本征模式展开,进行微波腔的工作特性(如工作频率、场分布等)的研究.在具体处理过程中,根据复杂结构微波腔的具体边界,将微波腔分成规则形状微波腔和非规则(含耦合孔)部分,建立实际微波腔模式同规则形状微波腔模式之间的场耦合方程,从而确定耦合孔对微波腔模式的影响,并对开耦合孔的圆柱腔进行了相应的理论和模拟研究.
Starting from the Maxwell equation, the actual microwave field in the microwave cavity is expanded according to its intrinsic mode, and the working characteristics (such as working frequency, field distribution, etc.) of the microwave cavity are studied. In the specific process, The microwave cavity is divided into a regular microwave cavity and an irregular (including coupling hole) part, and a field coupling equation between the actual microwave cavity mode and the regular microwave cavity mode is established to determine the influence of the coupling hole on the microwave cavity mode. The theoretical and simulation studies on the cylindrical cavity with open coupling holes are also carried out.