改进微粒群算法反演参与性介质辐射物性

被引:4
作者
齐宏
陈琴
任亚涛
阮立明
机构
[1] 哈尔滨工业大学能源科学与工程学院
关键词
辐射反问题; 吸引扩散微粒群算法; 频域辐射传输方程; 有限体积法; 辐射物性;
D O I
暂无
中图分类号
TP18 [人工智能理论];
学科分类号
140502 [人工智能];
摘要
为了准确、快速地反演参与性介质的辐射物性,本文利用有限体积法(FVM)求解频域辐射传递方程获得的反射及透射信号的振幅信息,结合扩散微粒群(RPSO)、吸引扩散微粒群(ARPSO)以及变异的吸引扩散微粒群(MARPSO)三种智能优化算法,同时反演了激光辐照下各向同性散射的一维均匀平板介质的衰减系数、单次散射反照率。在其他条件均相同的情况下,吸引扩散微粒群(ARPSO)所需的计算时间相比于其他两种算法有明显的降低。使用ARPSO在存在误差情况下进行了反演,发现即使在测量误差为10%时,其反演参数的最大相对误差不超过5%,说明该算法鲁棒性较好。
引用
收藏
页码:1244 / 1249+1268 +1268
页数:7
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