A method for surpressing RFI in a chirp radar based on averaging range spectrum is developed, by averaging range spectra, the RFI can be detected and suppressed in time-frequency domain.

基于单一载频的射频干扰（RFI）在线性调频雷达中的表现形式，利用平均距离谱法获得了RFI的多普勒分布谱图。

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It lies in the infrared range of the spectrum.

它位于光谱的红外线区域内。

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She'd seen his moods range across the emotional spectrum.

她见过他在各种情感间的情绪变化。

《柯林斯英汉双解大词典》

So, our detection devices are a little bit limited here today, we're actually only going to be using our eyes, so that means that we need to stick with the visible range of the electromagnetic spectrum.

我们今天所有的探测仪器十分有限，实际上我们要用我们的眼睛来观测，这意味着我们只能看到,电磁谱中的可见光区间。

麻省理工公开课 - 化学原理课程节选

So anything that goes from a higher energy level to 2 is going to be falling within the Balmer series, which is in the visible range of the spectrum.

任何更高能级到2能级2,都是属于Balmer系，它在可见光谱中。

麻省理工公开课 - 化学原理课程节选

In February 2012 the President signed into law a range of spectrum-related provisions as part of the Middle Class Tax Relief and Job Creation Act of 2012.

WHITEHOUSE: Backing PCAST, Commissioners Propose Spectrum Sharing

McCaw has spent several years assembling extensive bandwidth in the 2.5 Gigahertz spectrum range.

FORBES: Bumpy Transition to 4G Cellular

My respondents represent a broad range of the autism spectrum and of backgrounds and experiences.

FORBES: What Do Autistic People Want From Science?