飛行器上全向天線的測(cè)量方法
METHOD OF MEASURING THE OMNIDIRECTIONAL ANTENNA ON SATELLITE
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摘要: 正 衛(wèi)星等飛行器上的全向天線,特別是超短波全向天線的測(cè)量存在兩個(gè)困難的問(wèn)題。 1.星上的全向天線有微波波段的,有超短波波段的。由于衛(wèi)星殼體和收發(fā)距離方面的要求,全向天線輻射特性的測(cè)量有時(shí)必須在外場(chǎng)進(jìn)行。特別是超短波波段,由于波長(zhǎng)比較長(zhǎng),用來(lái)照射被測(cè)全向天線口徑的發(fā)射天線的波束不可能做得很窄。因而在外場(chǎng)用自
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關(guān)鍵詞:
Abstract: A method of measuring the pattern axis-ratio and the direction of an elliptieally polarized wave of UHF omnidirectional antenna on satellite is presented. The experimental results shows that the method is applicable. -
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