1) spectral centroid of light
光的光谱重心
2) Overlapped UV spectra
重叠的紫外光谱
3) A multiplet with two members.
光谱的双重线
4) overlapping spectra
重叠光谱
1.
METHODS The overlapping spectra of CEX and TMP were resolved by Madaline neural network into non overlapping spectra.
方法 通过Madaline网络变换 ,多组分体系中各组分的重叠光谱转换成互不干扰的谱峰 ;利用模拟样品得到变换后光谱与相应组分浓度的关系 ,在此基础上对待测样品进行含量测定。
5) spectral reconstruction
光谱重建
1.
Multi-spectral reconstruction based on the method of independent component analysis (ICA);
基于独立成分分析法ICA的多光谱重建
6) spectral reconstruction
光谱重构
1.
Based on the characteristics of the color scanner,the spectral reconstruction of images was studied using the method combining the principal component analysis(PCA) and back-propagation(BP) artificial neural network.
针对彩色扫描仪的特点,采用主元分析法(PCA)和反向传播(BP)人工神经网络(ANN)相结合的方法对图像光谱重构进行研究。
2.
The experimental results indicate that the spectral reconstruction accuracy could be improved by simultaneously utilizing the RGB signals under the two illuminants, in which case the metameric characteristics of color pairs could also be well reproduced.
实验结果表明,同时应用两种光源下的RGB信号可有效提高光谱重构精度,并能较好地再现色样的同色异谱特性。
补充资料:真空紫外光谱区
分子式:
CAS号:
性质:又称远紫外区(far ultraviolet region)。在电磁波谱上波长10~195nm波段称真空紫外光谱区。组成空气的成分氮、氧、水蒸气和惰性气体对远紫外辐射具有强烈的吸收。氧有两个吸收区,为195~176nm和110~30nm;氮的吸收区为145~99nm;水蒸气也有两个吸收区:一个是178~10nm左右,另一个是134~10nm左右。惰性气体对远紫外辐射吸收较小,可忽略不计。
CAS号:
性质:又称远紫外区(far ultraviolet region)。在电磁波谱上波长10~195nm波段称真空紫外光谱区。组成空气的成分氮、氧、水蒸气和惰性气体对远紫外辐射具有强烈的吸收。氧有两个吸收区,为195~176nm和110~30nm;氮的吸收区为145~99nm;水蒸气也有两个吸收区:一个是178~10nm左右,另一个是134~10nm左右。惰性气体对远紫外辐射吸收较小,可忽略不计。
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参考词条