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ULTRAWIDEBAND SQUEEZES IN

机译：中的超窄带压缩

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Robert Fontana disappears into a hallway. Seconds later, a small reddish blob of pixels appears and moves around a field of blue and green on a computer monitor hooked up to a shoebox-sized device. The splotch tracks Fontana's position in the building, even through the two walls between him and the technology he's showing off: a tracking and collision avoidance system that can "see" through barriers like walls (or trees) and measure a target's position, bearing and speed. Fontana, president of Germantown, MD-based Multispectral Solutions, says what's inside his shoebox can one day help keep helicopters, cars and other vehicles from ramming into obstacles like power lines or people. Behind the device is a radio technology called ultrawideband that for decades was the province of military labs. But in the last few years, startups, information technology companies and consumer electronics giants have begun pushing ultrawideband beyond the radarlike systems the military pioneered and into applications that could transform the home. Sony and newcomer XtremeSpectrum in Vienna, VA, for instance, are both pursuing the possibility of using ultrawideband transmission to wirelessly link DVD players, stereos and TVs in home entertainment systems. In the future, ultrawideband links could distribute extremely information-rich content, endowing a home or office with high-resolution 3-D virtual-reality simulation. Ultrawideband can also zap data between computing devices up to 10 times faster than today's rat's nests of wired links.
机译：罗伯特·丰塔纳（Robert Fontana）消失在走廊上。几秒钟后，出现一个小的红色斑点，并在连接到鞋盒大小的设备的计算机显示器上围绕蓝色和绿色的场移动。污点甚至通过他和他展示的技术之间的两堵墙跟踪了丰塔纳在建筑物中的位置：一种跟踪和避免碰撞系统，可以“看到”穿过墙（或树）之类的障碍物并测量目标的位置，方位和速度。总部位于马里兰州Germantown的Multispectral Solutions总裁Fontana说，他的鞋盒中的东西有一天可以帮助防止直升机，汽车和其他车辆撞到电线或人员等障碍物。该设备的背后是一种称为超宽带的无线电技术，数十年来一直是军事实验室的所在地。但是在最近几年中，初创公司，信息技术公司和消费电子巨头已经开始将超宽带推向军事首创的类似雷达的系统之外，并进入可以改变家庭的应用。例如，索尼和弗吉尼亚州维也纳市的新来者XtremeSpectrum都在寻求使用超宽带传输来无线链接家庭娱乐系统中的DVD播放器，立体声音响和电视的可能性。将来，超宽带链接可以分发极其丰富的信息，从而为家庭或办公室提供高分辨率的3D虚拟现实仿真。超宽带还可以使计算设备之间的数据交换速度比当今老鼠的有线链路快10倍。

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