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。
Difference absorption measurement and wavelength modulation harmonic measurement are two fundamental approaches for gas light absorption detection.
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。
We present a signal_processing system developed for enhancing the sensitivity of absorption measurement based on tunable diode laser wavelength modulation spectroscopy.
基于可调谐半导体激光吸收光谱，提出了一种新的信号处理方法用于提高吸收光谱测量的灵敏度。
Wavelength modulation spectroscopy (WMS) is an important technique of TDLAS.
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.
波长调制光谱(WMS)技术是TDLAS技术中一种重要技术。
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