Analysis on the selection of optimal ADC parameters in indirect measurement

被引：0
|
作者：
Zhu, Xiaoming [1 ,2 ]
Wang, Xiaodong [1 ]
Xu, Zhijun [1 ]
Li, Bingyu [1 ]
机构：
[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Changchun 130033, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
INFRARED PHYSICS & TECHNOLOGY | 2015年 / 71卷
关键词：
CRDS; Signal progressing; ADC; RING-DOWN SPECTROSCOPY; ABSORPTION-MEASUREMENTS; OPTICAL CAVITY; SPECTROMETER; AMMONIA; TIME;
D O I：
10.1016/j.infrared.2015.04.013
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
How to select optimal ADC parameters in indirect measurement including resolution, sampling rate and sampling error of ADC, and system error is proposed. Fitting of the photo time constant in cavity ring-down spectrum is taken as an example. The effects of resolution, sampling rate and sampling error (with/without system error) of ADC on fitting accuracy are simulated sequentially. The influence of mirror reflectivity on the parameters of fitting functions is analyzed and simulated. Parameters of ADC to distinguish concentration of methane of 1 ppbv at different mirror reflectivity are given. (C) 2015 Published by Elsevier B.V.
引用
收藏
页码：501 / 505
页数：5
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