An online emission spectral tomography system with digital signal processor

被引：16

作者：

Wan, Xiong ^{[1
]}

Xiong, Wenlin ^{[1
]}

Zhang, Zhimin ^{[1
]}

Chang, Fangfei ^{[1
]}

机构：

[1] Nanchang Hangkong Univ, Key Lab Nondestruct Test, Minist Educ, Nanchang 330063, Peoples R China

来源：

OPTICS EXPRESS | 2009年 / 17卷 / 07期

关键词：

COMPUTED-TOMOGRAPHY; RECONSTRUCTION; FIELD;

D O I：

10.1364/OE.17.005279

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Emission spectral tomography (EST) has been adopted to test the three-dimensional distribution parameters of fluid fields, such as burning gas, flame and plasma etc. In most cases, emission spectral data received by the video cameras are enormous so that the emission spectral tomography calculation is often time-consuming. Hence, accelerating calculation becomes the chief factor that one must consider for the practical application of EST. To solve the problem, a hardware implementation method was proposed in this paper, which adopted a digital signal processor (DSP) DM642 in an emission spectral tomography test system. The EST algorithm was fulfilled in the DSP, then calculation results were transmitted to the main computer via the user datagram protocol. Compared with purely VC++ software implementations, this new approach can decrease the calculation time significantly. (C) 2009 Optical Society of America

引用

页码：5279 / 5284

页数：6

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