针对客户信用数据款项维度多、数量大、复杂性等问题，提出了一种基于相似性度量的多视角决策融合个人信用评估方法。该方法创新点在于能够细致地考虑不同信用数据的几何形状，多角度划分数据，并进行相似性匹配，此外...
都珂珂 张玥... 《重庆工商大学学报(自然科学版)》 2022年03期 期刊
关键词： 随机森林 / Hamming距离 / Chebyshev距离 / Cosine距离
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为更准确地探究我国出国留学人数变化趋势，提出基于L1范数的组合预测模型，对出国留学人数进行预测；从多角度选取影响出国留学的因素，利用灰色关联度分析提取影响出国留学人数的典型因子，进而构建GM(1,3)模型；建...
Image-based root phenotyping for field-grown crops: An... CNKI文献
Root architecture, which determines the water and nutrient uptake ability of crops, is highly plastic in response to soil environmental changes and different cultivation patterns. Root phenotyping fo...
HUI Fang XIE Zi-wen... 《Journal of Integrative Agriculture》 2022年06期 期刊
关键词： root / phenotyping / high-throughput / image
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A major and stable QTL for wheat spikelet number... CNKI文献
The spikelet number per spike(SNS) contributes greatly to grain yield in wheat. Identifying various genes that control wheat SNS is vital for yield improvement. This study used a recombinant in...
DING Pu-yang MO Zi-qiang... 《Journal of Integrative Agriculture》 2022年06期 期刊
本文根据某地区实测的地下水数据，采用模糊矩阵的方法，综合评价了各点位的地下水质量状况。结果证明，使用模糊矩阵方法评价地下水质量，更有效地利用了数据，结论可信度较高，评价方法可行。
岩石抗压强度概率分布是否存在尺寸效应，对能否准确确定其概率分布以及得到正确的可靠度计算结果至关重要。对边长分别为80,120和160 mm的红砂岩立方体岩块进行压缩试验，研究结果表明：(1)岩石峰值抗压强度的概率分...
A multi-frame track-before-detect algorithm based on r... CNKI文献
In this paper, a novel multi-frame track-before-detect algorithm is proposed, which is based on root label clustering to reduce the high computational complexity arising by observation area expansion...
Jiaqi ZHANG Haihong TAO... 《Chinese Journal of Aeronautics》 2022年05期 期刊
关键词： Multi-frame / track-before-detect / Multiple / targets
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Design and experiment of concentrated flexibility-base... CNKI文献
The morphing wing has a significant positive effect on the aerodynamic performance of the aircraft. This paper describes a leading-edge of variable camber wing with concentrated flexibility bas...
Yuzhu LI Wenjie GE... 《Chinese Journal of Aeronautics》 2022年05期 期刊
关键词： Aircraft / Concentrated / flexure / hinge
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Combination of classifiers with incomplete frames of d... CNKI文献
The methods for combining multiple classifiers based on belief functions require to work with a common and complete(closed) Frame of Discernment(Fo D) on which the belief functions are defined before...
Zhunga LIU Jingfei DUAN... 《Chinese Journal of Aeronautics》 2022年05期 期刊
A novel combination belief rule base model for mechani... CNKI文献
Due to the excellent performance in complex systems modeling under small samples and uncertainty, Belief Rule Base(BRB) expert system has been widely applied in fault diagnosis. However, the fault di...
Manlin CHEN Zhijie ZHOU... 《Chinese Journal of Aeronautics》 2022年05期 期刊
Efficient adaptive Kriging for system reliability anal... CNKI文献
In the field of the system reliability analysis with multiple failure modes, the advances mainly involve only random uncertainty. The upper bound of the system failure probability with mu...
Bofan DONG Zhenzhou LU 《Chinese Journal of Aeronautics》 2022年05期 期刊
关键词： Failure / probability / Kriging / model
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台风灾害是我国最严重的海洋灾害之一，研究提高台风灾害损失预测的准确度对防灾减灾具有重要意义。针对目前机器学习算法在处理小样本数据时预测精度不高的问题，提出结合模糊数学的BP神经网络算法对台风灾害损失进行...
雅安地区健康成人网织红细胞参数参考区间的建立及验证 CNKI文献
目的 建立四川雅安地区健康成人网织红细胞（Ret）相关参数参考区间。方法 采用Sysmex XN-1000全自动血细胞分析仪检测2 785例健康成人Ret相关参数[网织红细胞绝对值（Ret#）、网织红细胞百分比（Ret%）、网织红细胞血...
Probabilistic stability analysis of embankment slopes ... CNKI文献
The safety of embankments under seismic conditions is a primary concern for geotechnical engineering societies. The reliability analysis approach offers an effective tool to quantify the safety margi...
ZHANG Wen-gang WU Jia-hao... 《Journal of Mountain Science》 2022年05期 期刊
关键词： Embankment / Reliability / analysis / Spatial
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A compressing and saving method for structured grid da... CNKI文献
The increasing grid data in CFD simulation has brought some new difficulties and challenges, such as high storage cost, low transmission efficiency. In order to overcome these problems,a novel method...
Yan SUN Ying ZHAO... 《Chinese Journal of Aeronautics》 2022年06期 期刊
关键词： CFD / Compression / Compression / ratio
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A numerical study of segmented cooling-stream injectio... CNKI文献
The present study proposes a segmented cooling-stream injection structure based on a certain coolant mass flow rate, and numerically investigates the effect of segmented cooling-stream injection on s...
Hang NI Mingjun WANG... 《Chinese Journal of Aeronautics》 2022年06期 期刊
An air-rail inter-modal strategy for aircraft recovery CNKI文献
It is common that airlines encounter a disruption of a flight schedule, which is mainly caused by resource shortages. In case of a disruption, subject to scarce resources, most of airlines lose flexi...
Hong LIU Fang SUN... 《Chinese Journal of Aeronautics》 2022年06期 期刊
关键词： Aircraft / recovery / Airline / operations
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Analysis of crack initiation location and its influenc... CNKI文献
To promote the development of fretting fatigue assessment and control technology for aircraft components, this paper uses the Crystal Plasticity Finite Element(CPFE) method and sub-modeling technolog...
Jian WANG Caizhi ZHOU 《Chinese Journal of Aeronautics》 2022年06期 期刊
关键词： Crack / nucleation / Crystal / plasticity
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目标特征的选择如何影响纠正性反馈——通过对中国英语学习... CNKI文献
语法特征类型、熟练程度和母语等并非独立、互不相干的变量，它们相互关联、相互依赖。有了这种认识，教育者也许才能最终学会如何最大限度地发挥纠正性反馈的效果。本文对13项研究进行了元分析，分析了四种类型的纠正...
