在CST MWS中對(duì)一個(gè)結(jié)構(gòu)進(jìn)行分析時(shí)，會(huì)提示網(wǎng)格錯(cuò)誤，該怎么解決

錯(cuò)誤信息：Waveguide for port number 1 is too short. The Waveguide must be homogeneous for at least three mesh planes along propagation direction.

太短了加長(zhǎng)點(diǎn)

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