微帶天線設(shè)計求助
大蝦,在設(shè)計微帶天線時,當(dāng)用微帶線饋線時,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,如果你最終要做一個天線陣,應(yīng)考慮在構(gòu)成陣列時,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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