微帶天線設(shè)計(jì)求助

大蝦,在設(shè)計(jì)微帶天線時(shí),當(dāng)用微帶線饋線時(shí),微帶線的長度怎么取呀?傳輸?shù)氖荰M10模.偶是新手,請大家?guī)兔α?

微帶饋線的長度一般取1/4波長左右，這只是個大概值，如果
你天線的輸入阻抗和饋線的特征阻抗匹配的很好，例如反射系數(shù)在30DB以下，
饋線的長度對仿真結(jié)果影響很小，但如果你匹配的不好，這個影響就大了，
實(shí)際仿真時(shí)，如果你最終要做一個天線陣，應(yīng)考慮在構(gòu)成陣列時(shí)，陣元間距一般都大于1/2波長小于1個波長，根據(jù)這個適當(dāng)選取饋線長度；如果你只是做天線單元，實(shí)際應(yīng)考慮，天線的安裝尺寸要求。

多謝2樓的,我把模型發(fā)給你,幫我看看可以嗎

可以，你傳上來吧

我謝2樓的,我另發(fā)了帖子,在"微帶天線求救啊"的哪個欄目中,給了詳細(xì)的參數(shù).謝謝謝謝你!!!

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