一种高精度的非平稳随机信号实时建模算法研究

针对传统的非平稳随机信号时变参数筹分模型算法的不足,论文把非平稳随机信号时变参数差分模型与一种带自适应遗忘因子的RLS算法结合起来,形成一种有效的非平稳随机信号实时建模算法,仿真分析表明该算法不仅能获得快的收敛速度而且能获得高的建模精度。     

撞车

洛杉矶夜晚在公路上发生的一起 轻微的多车追尾事故,将数个毫 不相关的男男女女联系到了一起, 其中包括:政治前途远大的州议 员夫妇、受到无理警察纠缠只得忍气吞声的黑人 导演夫妇、两个无厘头式的黑人抢劫者、种族歧 视极深的白人警察、脾气不好的波斯杂货商、韩     

500kW／380V国产大功率变频器在钻机上的应用

针对国外变频器价格昂贵、调试周期和维修周期长等特点，我公司自主研发了可替代进口机的高性能钻机国产专用变频器。该变频器能够从零开始调速。当钻井卡钻时，能及时断开电动机，在低速提升时，能最大限度地发挥电动机的动力特性，提供220％的转矩输出。变频器具有易安装、调试、维护，性能稳定。应用中据实测数据显示，采用变频改造后，打1口井可节省柴油15t。     

A new detection algorithm (NDA) based on fuzzy cellular neural networks for white blood cell detection.

White blood cell detection is one of the most basic and key steps in the automatic recognition system of white blood cells in microscopic blood images. Its accuracy and stability greatly affect the operating speed and recognition accuracy of the whole system. But there are only a few methods available for cell detection or segmentation due to the complexity of the microscopic images. This paper focuses on this issue. Based on the detailed analysis of the existing two methods--threshold segmentation followed by mathematical morphology (TSMM), and the fuzzy logic method--a new detection algorithm (NDA) based on fuzzy cellular neural networks is proposed. NDA combines the advantages of TSMM and the fuzzy logic method, and overcomes their drawbacks. With NDA, we can detect almost all white blood cells, and the contour of each detected cell is nearly complete. Its adaptability is strong and the running speed is expected to be comparatively high due to the easy hardware implementation of FCN. Experimental results show good performance.     

小水电工程径流计算的教训和建议

以2个小水电站径流计算为实例，分析移用降雨径流关系和参证站选择的教训，对改进小水电站径流计算方法提出了建议。表4个。     

Operational aspects of adsorption air‐conditioner used in diesel locomotive

A locomotive cabin adsorption air‐conditioner has been equipped in #DF4B‐2369 locomotive; and has been successfully run for 2 years. It is powered by waste heat from the exhaust of the diesel engine. The influence on heat transfer is described by the equivalent heat transfer coefficient or thermal resistance of components inside the adsorber. The variation of adsorption capacity is expressed by a non‐equilibrium adsorption function. The dynamic heat transfer process of adsorption air‐conditioning system is treated with the lumped parameter method. Some typical running experimental results are present. The diesel engine rotating speed and locomotive speed influenced on the refrigeration system are discussed. The maximum mean refrigeration power is regarded as an objective function. Based on experiments and theoretical analysis, the running characteristics of the air‐conditioning system are optimized. Some techniques of performance improvement are suggested as well. Copyright © 2006 John Wiley & Sons, Ltd.     

房地产权属档案数字化管理的思考

21世纪是信息的时代，信息时代又被称为数字化时代，在新形势、新任务下，房产管理部门和房产档案部门传统的以手工处理为主的管理方式将不能适应新形势和信息时代发展的需要。笔者认为，在新形势下，解放思想，加快房地产信息化建设步伐，积极实施房地产权属档案微机数字化管理是当前构建和谐房地产行政管理的重要举措和任务。     

企业虚拟人力资源管理面临的问题及对策分析

在对企业虚拟人力资源管理内涵及特征进行阐述的基础上，分析了虚拟人力资源在信息技术、时间和空间上的柔性特征，会对员工工作模式、员工职业生涯等方面产生影响，从而产生了诸如员工利益、企业安全、多头领导、有效沟通等问题，并提出了建议和对策。     

个性化公开密钥系统的设计

论文提出利用用户提供的个性化信息来随机产生关联大素数,保证了素数选取的随机化、个性化,提高了RSA算法的安全性。     

信息系统灾难恢复能力评估方法研究

论文提出了一种信息系统灾难恢复能力评估方法:信息资产分析方法、本地灾难恢复和远程灾难恢复等级的划分方法,并在此基础上,利用AHP层次分析法,构建了一套灾难恢复能力评估指标体系。该方法可以使评估结果具有更好的针对性和全面性。