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浮游植物活体三维荧光光谱特征提取 被引量:7

Research on feature extractions of excitation-emission matrix spectrum of phytoplankton
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摘要 测量了6种东海常见的浮游植物在两个温度(20℃,15℃)、三个光照(7000 Lux,4100 Lux,1100 Lux)下的不同生长期的三维激发/发射荧光光谱,研究了光谱特征提取方法.对去除散射干扰后的三维光谱进行了奇异值分解,得到的相应于激发光谱的第一主成分具有区分藻种的能力,可作为三维光谱的特征光谱.分析结果表明,实验条件下,等鞭金藻(Isochrysis galbana)、岛国大扁藻(Platymonas helgolanidica)和中肋骨条藻(Skeletonema costatuma)的特征光谱相似度高,塔玛亚历山大藻(Alexandrium tamarense)、东海原甲藻(Prorocentrum dentatum)和尖刺拟菱形藻(Pseudo-nitzschia pungens)光谱相似度稍差.
出处 《高技术通讯》 CAS CSCD 北大核心 2005年第4期75-78,共4页 Chinese High Technology Letters
基金 国家高技术研究发展计划(863计划),国家重点基础研究发展计划(973计划)
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参考文献5

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