无线电波
无线电波是指在自由空间(包括空气和真空)传播的射频频段的电磁波。无线电波的波长越短、频率越高,相同时间内传输的信息就越多。
资源总数
500
无线电波 热门资料
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Abstract: The process of designing a radio system can be complex and often involves many project tradeoffs. Witha little...
2013-12-13
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