wangjh的个人空间

wangjh：<h3>A World-Class Interpreter</h3> International readers may have spotted a subtle problem early onthat was not handled in the ...(2005-03-11 09:14)

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wangjh：<h3>Real-Time Satellite Tracking</h3> Knowing the location of satellites is important when determining howprecise readings are ...(2005-03-11 09:13)

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wangjh：<h3>Are We Fixed Yet?</h3> The $GPRMC sentence includes a value which indicates whether or nota "fix" has been obtain...(2005-03-11 09:12)

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wangjh：<h3>Direction ; Speed Alerts</h3> GPS devices analyze your position over time to calculate speed andbearing. The $GPRMC sentenc...(2005-03-11 09:10)

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wangjh：<h3>Wireless Atomic Time</h3> Time is the cornerstone of GPS technology because distances aremeasured at the speed of light. Ea...(2005-03-11 09:09)

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wangjh：<h3>Taking Out the Garbage</h3> Each NMEA sentence ends with an asterisk followed by a two-letterhexadecimal checksum. A checks...(2005-03-11 09:08)

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wangjh：<h3>The Core of An Interpreter (Continued)</h3> The next step is to perform actual extraction of information,starting with lati...(2005-03-11 09:07)

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wangjh：<center> <a href="http://www.codeguru.com/RealMedia/ads/click_lx.cgi/ew/ewsoftware/www.codeguru.com/vb/mobile/pocketpc/articl...(2005-03-11 09:05)

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tsindong：<P>进不去!</P>(2005-03-10 20:43)

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wangjh：难道没人对这个东东感兴趣！！ 这个帖子上不但有理论上介绍， 还有实现程序的说明， 最后还给出了整个运行程序的源代码。 对用C#,或VB.NET开发GPS程序有一定的帮助。 不过，是E文... <img src="images/post/sm...(2005-03-09 14:46)

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