利用改进特征金字塔模型的SAR图像多目标船舶检测

深度学习模型中的特征金字塔网络（Feature Pyramid Network，FPN）常被用作合成孔径雷达（Synthetic Aperture Radar，SAR）图像中多目标船舶的检测。针对复杂场景下多目标船舶检测问题，提出了一种基于改进锚点框的FPN模型。首先将特征金字塔模型嵌入传统的RPN（Region Proposal Network）并映射成新的特征空间用于目标检测，然后利用基于形状相似度距离（Shape Similar Distance,SSD）度量的Kmeans聚类算法优化FPN的初始锚点框，并使用SAR船舶数据集测试。实验结果表明，所提算法目标检测精确率达到98.62%，在复杂场景下与YOLO、Faster RCNN、FPN based on VGG/ResNet等模型进行对比，模型准确率提高，整体性能更好。     

高职院校沙盘课程教学的现状及问题研究

随着越来越多的高职院校引入沙盘课程,针对这类课程教学的研究也逐渐引起大家的重视,而且也很有必要。文章首先分析了开设沙盘课程的意义,然后结合自己教学的情况分析了沙盘课程的教学现状,并从现状中总结出几个比较普遍的问题,最后有针对性的对这些问题提出了改进的建议。     

A decade of hybrid reporting and accountabilities of the Hanyeping Company (1909–1919)

Using a model of hybrid reporting and accountabilities, this article considers the reporting and accountability of the Hanyeping Company in the Beiyang era. The results of the study suggest that the Hanyeping Company attempted to provide comprehensive accounts of its activities to satisfy the needs of a plethora of domestic and foreign stakeholders through a combination of detailed Western and Chinese accounts. In keeping with Western and indigenous Chinese expectations of accounting, the Hanyeping Company prepared accounts that demonstrated characteristics of Auyeung’s demonstrated features of nineteenth-century Westernised reporting and the traditional reporting model. This suggests that the period between 1909 and 1919 experienced a decade of reporting hybridisation in direct contrast to the so-called period of accounting stagnation of the late Qing Dynasty.     

外军院校文化品牌建设路径及启示

文化品牌建设对组织发展具有重要意义。当前我军院校文化品牌建设存在发展意识薄弱、缺少战略规划和系统整合、缺乏特色个性和影响力不强等问题。外军院校经过长期发展，在院校文化品牌建设方面有很多做法值得借鉴。     

转型期捷克福利体系改革及对中国的启示

捷克福利体系由社会保险、家庭政策和社会救助三部分组成。通过对转型期捷克福利体系三个组成部分实施的改革进行分析得出结论：尽管捷克福利模式没有实施养老金私有化等自由主义倾向明显的改革措施，但总体上仍然向着盎格鲁撒克逊自由主义福利模式转变，国家责任逐渐减少，市场力量逐步增强。结合捷克改革过程中的经验提出对中国养老金改革的一点建议。     

The Asymmetric Information Problem in Taiwan's Cancer Insurance Market

This paper investigates the problem of asymmetric information in Taiwan’s cancer insurance market. Through the survey data, we find evidence of adverse selection existing in this market. Furthermore, we collect additional information on the individual, and find that the individual’s family cancer history contains additional valuable information. It can not only more accurately predict the probability of contracting cancer, as well as predict the willingness to purchase extended cancer insurance, but it can also help to mitigate the severity of adverse selection in the insurance market.     

Extending the link between entrepreneurial self-efficacy and intention: a moderated mediation model

This study extended the research on the relationship between entrepreneurial self-efficacy and intention by developing a moderated mediation model. This model posits that the link between entrepreneurial self-efficacy and intention is mediated by attitudes toward entrepreneurship and planned entrepreneurial control, and that these mediation processes are further moderated by subjective norms. Based on a sample of 308 valid responses, regression analysis yielded two noteworthy results. First, entrepreneurial self-efficacy positively affects intention through attitudes toward entrepreneurship and planned entrepreneurial control. Second, the direct effect of entrepreneurial self-efficacy on intention decreases as subjective norms increase. By contrast, the indirect intention effects of entrepreneurial self-efficacy through attitudes toward entrepreneurship and planned entrepreneurial control increase as subjective norms increase. In addition, the results indicated that subjective norms positively affect entrepreneurial intention. These findings indicated that the model advances the use of the theory of planned behavior and can be used to define a person as an entrepreneur.     

Insurance ratemaking using a copula-based multivariate Tweedie model

The Tweedie distribution, featured with a mass probability at zero, is a convenient tool for insurance claims modeling and pure premium determination in general insurance. Motivated by the fact that an insurance policy typically provides multiple types of coverage, we propose a copula-based multivariate Tweedie regression for modeling the semi-continuous claims while accommodating the association among different types. The proposed approach also allows for dispersion modeling, resulting in a multivariate version of the double generalized linear model. We demonstrate the application in insurance ratemaking using a portfolio of policyholders of automobile insurance from the state of Massachusetts in the United States.     

应用技术型高校的食品工程原理教学改革

在我国高校的食品科学与工程专业中,食品工程原理是一门专业基础必修课程,具有较强的应用性,是一门工程性质的学科。为了使学生在未来的工作生活中更具优势,必须对这门课程的教学工作进行教学改革,优化教学内容,改进教学方式,使学生掌握正确的学习方法,加强实践教学工作,培养学生的应用能力。本文以应用性高校作为依托,主要研究食品工程原理课程的教学改革,希望对提高教学质量有所帮助。     

大跨度屋盖结构的抗风设计缺陷与对策

本文分析了当今大跨度屋盖结构的抗风设计方法,并指出了其缺陷,而后探索了相应的对策,以解决现实问题。