Two-dimensional Fourier compression

被引：19
|
作者：
Cai, CS
Harrington, PD
Davis, DM
机构：
[1] OHIO UNIV,DEPT CHEM,CLIPPINGER LABS,CTR INTELLIGENT CHEM INSTRUMENTAT,ATHENS,OH 45701
[2] USA,CHEM & BIOL DETECT RES TEAM,EDGEWOOD RES DEV & ENGN CTR,ABERDEEN PROVING GROUND,MD 21010
来源：
ANALYTICAL CHEMISTRY | 1997年 / 69卷 / 20期
关键词：
D O I：
10.1021/ac970458s
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A two-dimensional Fourier compression method has been developed as a tool for portable sensors. Ion mobility spectrometry (IMS) yields an advanced chemical sensor for monitoring trace quantities of compounds in air. Two-dimensional Fourier compression can increase the compression efficiency without compromising the quality of compressed data. A criterion for the automatic determination of the compression efficiency or cutoff frequency has been developed and evaluated with IMS data. IMS data were compressed by 97% without significant loss of information.
引用
收藏
页码：4249 / 4255
页数：7
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