波长调制光谱(WMS)技术是TDLAS技术中一种重要技术。
Wavelength modulation spectroscopy (WMS) is an important technique of TDLAS.
分析表明波长调制反射谱的实质，是介电函数对能量的一级微商。
It is shown that the wavelength modulated reflective spectrum is essentially the first derivative of dielectric function with respect to the energy.
差分吸收检测和波长调制谐波检测是气体光吸收检测的两种基本方法。
Difference absorption measurement and wavelength modulation harmonic measurement are two fundamental approaches for gas light absorption detection.
在分析比较的基础上，提出将激光二极管发射波长调制及谐波检测分析处理技术用于氧气浓度检测。
Then, the idea that detecting oxygen concentration by using laser diode wavelength modulation and harmonic signal treatment was proposed.
在分析比较的基础上，提出将激光二极管发射波长调制及谐波检测分析处理技术用于氧气浓度检测。
Then, the idea that detecting oxygen concentration by using laser diode wavelength modulation and harmonic signal treatment was proposed.
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