HP SkyRoom:具有实用意义的桌面视频会议解决方案

2009年10月14日,惠普推出其革命性的视频会议解决方案--HP SkyRoom.这是第一款视频会议协作解决方案,可提供完整的具有桌面共享功能的即时面对面会议体验,与免费软件相比实现了质的飞跃.该产品目前在惠普多款工作站上提供预装,并在将来可以预装在商用台式机和笔记本上.     

Analysis of a Multiplicative Feed System for Monopulse Tracking Applications

In angle tracking antenna applications, the angle sensing boresight accuracy capabilities are important. The ability of an antenna to precisely determine the bearing angle to a point source is determined by the slope of the control function pattern at boresight. In the presence of extraneous interference, the magnitudes of the sidelobe and backlobe responses are important. Control pattern slope (angular sensitivity) is primarily a function of aperture illumination. It can be described by a current distribution in intensity and phase at every point. Once distribution is defined, lobe structure is defined by the associated transform. When more than one feed is used, the distribution will be a vector sum of the individual feed distributions. The resulting secondary pattern can be defined in terms of the amplitude distribution and the phase center locations of the contributing feeds. With a four-horn monopulse configuration, the feed phase centers are displaced from the boresight axis. Placing the phase centers on the boresight axis by rotating the feeds through 45 degrees results in a different set of intensity and phase values. A quite different secondary pattern results. The control function obtained by the subtraction of the powers from a paired set of on-axis feeds results in a lower sidelobe level than that obtained with a conventional monopulse combiner for a given feed taper.     

HP Designjet大幅面打印机

HP Designjet大幅面打印机 为了实现软件、硬件的均衡配置,与各种CAD软件相配合,航天五院下属的神舟学院在2004年总体招标期间,采购了HP Designjet 1050c plus 大幅面打印机,用于各种工程图样的打印输出.     

惠普刀片服务器应用实例

天空开放政策和全球燃油价格的上涨加剧了航空业的竞争,因此控制并减少成本已成为航空公司赢得优势的一个关键因素。在航空公司的IT系统中,对于数据中心内服务器的整合,以及机房面积和耗电量     

惠普全新四核工作站助力制造业攀登新高峰

作为惠普四核工作站的最新力作,HP xw8600、HP xw6600以及HP xw4600堪称惠普工作站家族的系列旗舰产品。它们在技术和性能方面完全超越了惠普一年前推出的第一款四核工作站产品,可以最大     

复合式气冷涡轮导叶综合冷效试验研究

介绍了复合式气冷涡轮导叶的冷却效果试验研究。试验结果表明，导叶在宽广的冷气流量比范围内，具有良好的冷却特性，经模化分析，在发动机状态下，叶片中截面相对冷却效果为0．69，达到了设计指标。