一种区域卫星定位系统的星座方案
提出了一种用静止卫星和同步椭圆轨道卫星构造的区域卫星定位系统。并以GDOP最小化为目标,对该系统的星座参数进行了优化。利用仿真得到了该星座在我国的性能指标,并和GPS星座进行了比较。仿真结果表明,该方
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提出了一种用静止卫星和同步椭圆轨道卫星构造的区域卫星定位系统。并以GDOP最小化为目标,对该系统的星座参数进行了优化。利用仿真得到了该星座在我国的性能指标,并和GPS星座进行了比较。仿真结果表明,该方
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this document describe how davicom ic dm9000 can be programmed and controlled. this ic can be used in the embedded syste...
this document describe davicom ic dm9000 DM9000.c . this ic can be used in the embedded systems and network lan cards. i...
s document describe davicom ic dm9000 DM9000_h.h . this ic can be used in the embedded systems and network lan cards. it...