微帶天線(xiàn)設(shè)計(jì)求助

大蝦,在設(shè)計(jì)微帶天線(xiàn)時(shí),當(dāng)用微帶線(xiàn)饋線(xiàn)時(shí),微帶線(xiàn)的長(zhǎng)度怎么取呀?傳輸?shù)氖荰M10模.偶是新手,請(qǐng)大家?guī)兔α?

微帶饋線(xiàn)的長(zhǎng)度一般取1/4波長(zhǎng)左右，這只是個(gè)大概值，如果
你天線(xiàn)的輸入阻抗和饋線(xiàn)的特征阻抗匹配的很好，例如反射系數(shù)在30DB以下，
饋線(xiàn)的長(zhǎng)度對(duì)仿真結(jié)果影響很小，但如果你匹配的不好，這個(gè)影響就大了，
實(shí)際仿真時(shí)，如果你最終要做一個(gè)天線(xiàn)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(zhǎng)小于1個(gè)波長(zhǎng)，根據(jù)這個(gè)適當(dāng)選取饋線(xiàn)長(zhǎng)度；如果你只是做天線(xiàn)單元，實(shí)際應(yīng)考慮，天線(xiàn)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(lái)吧

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

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