The initial single pion emission （ISPE） mechanism is applied to the processes r（5S）→πB（＊）B-（＊）, whose details have been recently reported at ICHEP2012, and we obtain reasonable agreement with Bell＇s measu...The initial single pion emission （ISPE） mechanism is applied to the processes r（5S）→πB（＊）B-（＊）, whose details have been recently reported at ICHEP2012, and we obtain reasonable agreement with Bell＇s measurements; that is, we succeed in reproducing the enhancement structures of Zb（10610） and Zb（10650）. Inspired by this success, we also predict the corresponding enhancement structures in open charm oue-pion decays of higher charmonia near the thresholds of D＊D- and D＊D-＊.展开更多
Once again,the ISPO Textrends jury came together in Munich to review and evaluate the textile innovations for the spring/summer 2026 season.They selected the most innovative products of each category.Out of these item...Once again,the ISPO Textrends jury came together in Munich to review and evaluate the textile innovations for the spring/summer 2026 season.They selected the most innovative products of each category.Out of these items the Best Product,the Top Ten or Top Five products as well as some additional Selection products were chosen.展开更多
伴随双摄及多摄技术在消费电子、安防监控等领域的普遍应用,如何在保证图像处理性能的同时,降低硬件成本与功耗成为行业焦点。传统方案中,双核图像信号处理器(image signal processor,ISP)分别处理双路信号,或者依靠外部存储缓冲的帧交...伴随双摄及多摄技术在消费电子、安防监控等领域的普遍应用,如何在保证图像处理性能的同时,降低硬件成本与功耗成为行业焦点。传统方案中,双核图像信号处理器(image signal processor,ISP)分别处理双路信号,或者依靠外部存储缓冲的帧交织时分复用技术,这类技术存在芯片面积大、带宽占用多、功耗过高的情形。提出了一种基于行交织时分复用(time division multiplexing,TDM)的单核ISP架构,依靠数据整流器、TDM处理单元及数据分流器协同设计,无须外部帧缓冲,降低了系统带宽需求与功耗,并且支持任意帧率双路信号耦合处理。阐述了设计原理、关键技术及实现路径,并经过对比验证其优势。展开更多
接入级P2P(Peer-to-Peer)缓存容量设计回答在接入级ISP(Internet Service Provider)出口部署多大容量缓存的问题,目前还没有最优P2P缓存容量设计方法被提出.本文提出一种权衡存储成本和带宽成本的P2P缓存容量设计方法,以最小化ISP出口...接入级P2P(Peer-to-Peer)缓存容量设计回答在接入级ISP(Internet Service Provider)出口部署多大容量缓存的问题,目前还没有最优P2P缓存容量设计方法被提出.本文提出一种权衡存储成本和带宽成本的P2P缓存容量设计方法,以最小化ISP出口流量总花费为目标,将最优缓存容量设计问题描述为整数规划问题,其目标函数形式为单调阶梯函数,通过理论推导得出最优缓存容量计算公式指导接入级ISP进行缓存容量设计.将本文所提方法与Median和"20-80 Rule"等几种ISP常用的容量设计方法进行性能比较,结果表明,本文所提方法明显优于已有方法,与目前ISP最认可的"20-80 Rule"相比,应用本文所提方法的ISP出口流量总花费最多可降低7.5%.展开更多
基金Supported by National Natural Science Foundation of China(11175073,11005129,11035006)Ministry of Education of China(FANEDD(200924)+2 种基金DPFIHE(20090211120029)NCET(NCET-10-0442)Fundamental Research Funds for Central Universities and West Light Foundation of The Chinese Academy of Sciences
文摘The initial single pion emission （ISPE） mechanism is applied to the processes r（5S）→πB（＊）B-（＊）, whose details have been recently reported at ICHEP2012, and we obtain reasonable agreement with Bell＇s measurements; that is, we succeed in reproducing the enhancement structures of Zb（10610） and Zb（10650）. Inspired by this success, we also predict the corresponding enhancement structures in open charm oue-pion decays of higher charmonia near the thresholds of D＊D- and D＊D-＊.
文摘Once again,the ISPO Textrends jury came together in Munich to review and evaluate the textile innovations for the spring/summer 2026 season.They selected the most innovative products of each category.Out of these items the Best Product,the Top Ten or Top Five products as well as some additional Selection products were chosen.
文摘伴随双摄及多摄技术在消费电子、安防监控等领域的普遍应用,如何在保证图像处理性能的同时,降低硬件成本与功耗成为行业焦点。传统方案中,双核图像信号处理器(image signal processor,ISP)分别处理双路信号,或者依靠外部存储缓冲的帧交织时分复用技术,这类技术存在芯片面积大、带宽占用多、功耗过高的情形。提出了一种基于行交织时分复用(time division multiplexing,TDM)的单核ISP架构,依靠数据整流器、TDM处理单元及数据分流器协同设计,无须外部帧缓冲,降低了系统带宽需求与功耗,并且支持任意帧率双路信号耦合处理。阐述了设计原理、关键技术及实现路径,并经过对比验证其优势。
文摘接入级P2P(Peer-to-Peer)缓存容量设计回答在接入级ISP(Internet Service Provider)出口部署多大容量缓存的问题,目前还没有最优P2P缓存容量设计方法被提出.本文提出一种权衡存储成本和带宽成本的P2P缓存容量设计方法,以最小化ISP出口流量总花费为目标,将最优缓存容量设计问题描述为整数规划问题,其目标函数形式为单调阶梯函数,通过理论推导得出最优缓存容量计算公式指导接入级ISP进行缓存容量设计.将本文所提方法与Median和"20-80 Rule"等几种ISP常用的容量设计方法进行性能比较,结果表明,本文所提方法明显优于已有方法,与目前ISP最认可的"20-80 Rule"相比,应用本文所提方法的ISP出口流量总花费最多可降低7.5%.
