The method was realized by adding corresponded hardware and analyzing software in the common microwave instrument - the Spectrum Analyzer.
该方法在通用微波仪表——频谱分析仪上增加相应的硬件和分析处理软件实现的。
What's more, the function of spectrum analyzing is also included in the software, with which, the concentration of NO2 in the atmosphere can be got quite easily.
软件还具有NO_2浓度自动反演功能，根据对参考光谱和样品光谱的差分比较，可较为简便地获得样品光谱采集地区大气中NO_2浓度。
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