光孤子传输特性研究综述

在分别研究了高阶色散、五阶非线性、孤子振幅、孤子相位及孤子间隔对其传输特性的影响之后,对诸多因素的综合影响及其在某种程度上的相互制约关系进行了综述,给出了孤子保形传输的数值计算结果.     

基于MQDF的车牌字符识别

文中提出了一种新的基于MQDF的车牌字符识别算法,该算法在QDF的基础上进行K-L变换,并且用常量代替小的特征值改善计算速度和分类的正确率。该方法基于统计模型和中心极限定理,便于设计和实现,广泛应用于手写体识别,具有很好的鲁棒性和较高的识别准确率。用2142幅白天、晚上的蓝牌、黄牌车牌图像做实验,实验结果表明,对于数字、字母、汉字字符,平均识别率达到98%以上,具有较好的应用前景。     

关键字符双重验证的Word文档脆弱水印方法

为提高文档水印方法的篡改检测性能和安全性,设 计一种关键字符双重验证的Word文档脆弱 水印方法。首先记录文档中的关键字符和非关键字符,将每个字符生成的8比特水印信息 嵌入自身字符 的特殊属性里以抵抗一般篡改;为提高检测关键字符篡改的能力,将关键字符生成的8比 特水印信息作 为第二重水印信息嵌入到非关键字符的其它特殊属性里以抵抗拼贴攻击,从而实现对关键字 符的双重验证; 通过统计实验,讨论了水印嵌入在字符特殊属性中对文档大小的影响。实验结果表明,在字 符的特殊属性 中嵌入水印能增加含水印文档的安全性,在非关键字符中嵌入双重水印能提高算法的篡改检 测性能。     

论北方地区浓香型白酒生产工艺特点

地理环境、气候等因素的影响,使北方地区浓香型白酒具有口味醇和、绵甜、爽净的特点,同时,北方地区浓香白酒的生产工艺也有其自己的特点：①适当提高制曲温度,以陈曲作为糖化发酵剂;②采用低温缓慢发酵工艺;③低温、缓火蒸酒,量质摘酒;④入池条件：入池水分为冬天55%、夏季58%,入池温度16~18℃,入池酸度1.6~1.8,淀粉含量18%~20%,投曲比例为23%左右,投糠量为23%左右,糟醅用量大于4％。     

面条冷冻过程中蛋白质组分和二硫键的变化研究

研究不同冷冻时间下面条的品质变化,如清蛋白、球蛋白、醇溶蛋白、SDS可溶麦谷蛋白、麦谷蛋白大聚体等蛋白质组分的含量变化,并采用Ellman's试剂比色法研究了蛋白和麦谷蛋白大聚体中巯基和二硫键的含量变化.结果表明:随着冷冻时间的增加面条的硬度有显著下降,回复性变化不明显,拉伸力和拉伸距离呈减小趋势;清蛋白、球蛋白、SDS可溶麦谷蛋白的含量呈上升趋势,醇溶蛋白、麦谷蛋白大聚体的含量呈下降趋势;蛋白质分子中巯基和二硫键发生了相互转化,单位质量麦谷蛋白大聚体中二硫键的含量呈增大趋势.     

煤的电特性和热性质

本文详尽讨论了影响煤电特性和热性质的各种因素，认为深入研究的电、热性质的联系，探讨它们与煤超细结构间的关系十分有价值。     

Anticipatory behavior in virtual universe,application to a virtual juggler

To be believable, virtual entities must be equipped with the ability to anticipate, that is, to predict the behavior of other entities and the subsequent consequences on the environment. For that purpose, we propose an original approach where the entity possesses an autonomous world of simulation within simulation, in which it can simulate itself (with its own model of behavior) and simulate the environment (with the representation of the behaviors of the other entities). This principle is illustrated by the development of an artificial juggler in 3D. In this application, the juggler predicts the motion of the balls in the air and uses its predictions to coordinate its own behavior to continue to juggle.Copyright © 2012 John Wiley & Sons, Ltd.     

时序脉冲燃烧控制技术在回火炉上的应用

衡钢1#回火炉燃烧控制系统采用时序脉冲燃烧控制技术来控制炉膛温度,据此,重点介绍了该系统的组成、工作原理及动态性能.由于它具有控制温度波动小、节约燃料等优点,因此具有广泛的推广应用价值.     

Engineering ethics education on the basis of continuous education to improve communication ability

This paper proposes an engineering ethics education method for students on the basis of continuous education to improve communication ability. First, through the process of debate, the students acquire the fundamental skills necessary to marshal their arguments, to construct rebuttals, and to summarize debates. Second, the students study the fundamental techniques to make a presentation on technical subjects related to electrical engineering. Following these classes, in lectures on engineering ethics, the students probe the causes of various accidents and consider better approaches for avoiding such accidents with each other. In most cases, the students can express good and commonsensical opinions from an ethical standpoint. However, they can hardly make judgments when the situations, such as the human relations in the above accidents, are set up in concrete terms. During the engineering ethics class, the students come to know that the human relations behind the case make ethical matters more complicated. Furthermore, they come to understand that facilitating daily communications with co‐workers and/or supervisors is very important in order to avoid such accidents. The recognition of the students is primarily the result of the continuous education during 3 years. It can be said that the engineering ethics education thus constructed increases in the students this kind of spontaneous awareness as well as their ethical qualities as engineers. © 2013 Wiley Periodicals, Inc. Electr Eng Jpn, 183(3): 1–8, 2013; Published online in Wiley Online Library (wileyonlinelibrary.com). DOI 10.1002/eej.22283     

空调用电子膨胀阀流量特性研究

本文通过实验研究了电子膨胀阀流量与开度的关系。实验表明家用变频空调器中的电子膨胀阀开度与制冷量近似成线形关系，从而为电子膨胀阀的正确选用和变频空调器性能的进一步优化提供理论依据。