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Constructing Molecular Marker Linkage Maps of Chromosome 14Sh and 22Sh and QTL Mapping for Major Traits by Use of Substitution Lines of Gossypium hirsutum L.
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作者 SAHA Sukumar JENKINS Johnie N 《棉花学报》 CSCD 北大核心 2008年第S1期85-,共1页
CSB14Sh,which is isogenic for its recurrent parent TM-1 except for chromosome 14 short arm,was crossed with TM-1,and the F2 population was produced.A total of 3800 SSR primer pairs covering the whole genome were used ... CSB14Sh,which is isogenic for its recurrent parent TM-1 except for chromosome 14 short arm,was crossed with TM-1,and the F2 population was produced.A total of 3800 SSR primer pairs covering the whole genome were used to screen polymorphism among two parents,TM-1 and CSB14Sh, 展开更多
关键词 QTLs Constructing Molecular Marker Linkage Maps of Chromosome 14Sh and 22Sh and QTL mapping for Major Traits by Use of Substitution lines of Gossypium hirsutum L
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Robot Self-Location by Line Correspondences
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作者 胡占义 雷成 徐孔达 《Journal of Computer Science & Technology》 SCIE EI CSCD 2001年第2期97-113,共17页
This paper thoroughly investigates the problem of robot self-location by line correspondences. The original contributions are three-fold: (1) Obtain the necessary and sufficient condition to determine linearly the rob... This paper thoroughly investigates the problem of robot self-location by line correspondences. The original contributions are three-fold: (1) Obtain the necessary and sufficient condition to determine linearly the robot's pose by two line correspondences. (2) Show that if the space lines are vertical ones, it is impossible to determine linearly the robot's pose no matter how many line correspondences we have, and the minimum number of line correspondences is 3 to determine uniquely (but non-linearly) the robot's pose. (3) Show that if the space lines are horizontal ones, the minimum number of line correspondences is 3 for linear determination and 2 for non-linear determination of the robot's pose. 展开更多
关键词 robot self-location visual guided navigation line correspondence projection plane line mapping constraint
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