微波频谱是将微波管产生和放大的高频信号划分为若干个波段的图谱。一般认为，微波频率范围从1GHz~100GHz。毫米波频带是微波频带的一部分，通常从大约30GHz～300GHz．
从数百兆赫到数十千兆赫的微波频谱，全国无线电管理委员会曾有大致的分配。
The microwave spectrum ranges from several hundred MHz to dozens of GHz which were allocated originally by the National Radio Regulatory Commission in China.
基于已建立的小型铯原子钟计算机模型系统，研究了铯束原子速度为双峰分布和三峰分布对原子钟微波频谱的影响。
Based on a numerical model cesium atomic clock designed before, the influence of atomic velocity distribution consisting of two peaks and three peaks has been studied respectively.
人造无线电波有多种用途，如传送音乐或者运用微波加热食物，频谱低端的频率可以使用在诸如电视和移动电话等设备上。
The man-made sort can do things like transmit music or heat food in a microwave. At the low end of the spectrum are the frequencies used for things like television and mobile phones.
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