来源:蜘蛛抓取(WebSpider)
时间:2023-07-05 01:10
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am是中波还是短波
微波、超短波、短波、中波、长波的频率(波长)频率波长微波300MHz~300GHz0.001~1m超短波30MHz~300MHz1~10m短波3MHz~30MHz10~100m中波300KHz~3MHz100~1000m长波100KHz~300KHz1000~3000m参考资料[1] https://blog.csdn.net/wordwarwordwar/article/details/61441912,2020-02-29.[2] 孙学康,张政. 微波与卫星通信(第二版),人民邮电出版社,2007.