發布時間(jian):
2017
-
02
-
15
天線作為(wei)(wei)天饋系(xi)統不(bu)可缺少的(de)一(yi)部分(fen),其基本功能是(shi)輻射(she)和(he)接收(shou)無線電(dian)(dian)波(bo)。發射(she)時,把高頻電(dian)(dian)流轉(zhuan)換為(wei)(wei)電(dian)(dian)磁波(bo);接收(shou)時,把電(dian)(dian)滋波(bo)轉(zhuan)換為(wei)(wei)高頻電(dian)(dian)流。