Constant current driving and constant temperature controlling techniques are adopted on DFBLD to make the central wavelength of it accurately point at detected gas absorption.
本文通过对DFBLD光源采取恒流驱动和恒温控制技术，使DFBLD光源的中心波长精确对准被测气体吸收峰。
Constant current driving and constant temperature controlling techniques are adopted on DFBLD to make the central wavelength of it accurately point at detected gas absorption.
本文通过对DFBLD光源采取恒流驱动和恒温控制技术，使DFBLD光源的中心波长精确对准被测气体吸收峰。
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