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standard cotton samples
相关语句
  标准棉样
     To research uncertainty of cotton fiber length index by Y111 fiber length tester,10 kinds of standard cotton samples were chosen,and 10 times test for these 10 samples were done in 3 laboratories by Y111 fiber length tester.
     为了研究Y111型纤维长度分析仪测量棉纤维长度指标的不确定度,选10种标准棉样,由3家试验室用Y111型纤维长度分析仪分别进行了10次重复性测试,对测试数据进行了分析。
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  相似匹配句对
     Standard
     标准
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     Which is the standard?
     采用什么标准评价?
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     Study on the Standard System of Cotton
     我国棉花标准体系探讨
     Quality Standard in Cotton Trade
     棉花流通必须严格执行质量标准
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     And with the cotton roots,the G.
     G.
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Cotton classification is to evaluate cotton′s quality, which influences the behaves of cotton individuals, cotton firms and mils. It is important to studying this issue. This paper presents a scheme of automatic classification for cotton based on standard cotton samples. It consists of three procedures: preprocessing, feature extracting and classifying. In the preprocessing we mainly focus on removing the non uniform rays which interfere feature extracting. Subtracting and dividing method is discussed....

Cotton classification is to evaluate cotton′s quality, which influences the behaves of cotton individuals, cotton firms and mils. It is important to studying this issue. This paper presents a scheme of automatic classification for cotton based on standard cotton samples. It consists of three procedures: preprocessing, feature extracting and classifying. In the preprocessing we mainly focus on removing the non uniform rays which interfere feature extracting. Subtracting and dividing method is discussed. We extract three statistic features namely variance variation coefficient, dark spots and yellow spots. The first one stands for the uniformity of cotton, the second one denotes the whiteness and the last one reflects the quantity of bad spots (mostly are yelllow). Experiments show that these features work well for cotton grading.

提出了棉花等级自动分类的实现框图 ,着重讨论了消除光线不均匀的预处理方法 ,提取了棉花图像的均方差变异系数、黑斑和黄斑三个特征参量。实验表明 ,这些特征能很好地表征棉花的等级。

To research uncertainty of cotton fiber length index by Y111 fiber length tester,10 kinds of standard cotton samples were chosen,and 10 times test for these 10 samples were done in 3 laboratories by Y111 fiber length tester.The test result shows that different laboratory has same test accuracy to the same cotton sample,the tested principle length by Y111 fiber length tester is not only influenced by laboratory,but also influenced by fiber distribution speciality of cotton sample.95%...

To research uncertainty of cotton fiber length index by Y111 fiber length tester,10 kinds of standard cotton samples were chosen,and 10 times test for these 10 samples were done in 3 laboratories by Y111 fiber length tester.The test result shows that different laboratory has same test accuracy to the same cotton sample,the tested principle length by Y111 fiber length tester is not only influenced by laboratory,but also influenced by fiber distribution speciality of cotton sample.95% confidence level of single test uncertainty of cotton fiber principle length is hard to reach 0.70 mm,only 50% test result can be controlled in 1.0 mm.

为了研究Y111型纤维长度分析仪测量棉纤维长度指标的不确定度,选10种标准棉样,由3家试验室用Y111型纤维长度分析仪分别进行了10次重复性测试,对测试数据进行了分析。结果表明:不同试验室对同一棉样有相同的测量精度,用Y111型纤维长度分析仪测量的主体长度不仅与试验室相关,也与棉样的长度分布特征相关。棉纤维的主体长度单次测量不确定度在95%的置信水平上难以达到0.70 mm,只有50%的测量结果的不确定度在1.0 mm内。

 
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