chap2
代码说明：
这是关于目标定位的几种基本算法，包括质心算法、RRSI算法、TOA算法、AOA算法，所有程序均已调通，仿真结果通过。(This is some basic algorithm about target positioning,including barycenter ,RSSI,TOA,AOA algorithm,and all of them were tested successfully!)
文件列表：
chap2
.....\2.1
.....\...\main.m,1150,2014-04-15
.....\2.2
.....\...\main.m,1277,2014-04-06
.....\2.3
.....\...\main.m,1553,2014-04-14
.....\2.4
.....\...\main.m,2267,2014-04-18
.....\2.5
.....\...\main.m,1076,2014-04-06
.....\2.6
.....\...\2.6.2
.....\...\.....\main.m,1250,2014-04-06
.....\...\2.6.3
.....\...\.....\main.m,1382,2014-04-06
.....\...\2.6.4
.....\...\.....\main.m,1345,2014-04-06
.....\...\2.6.5
.....\...\.....\main.m,1258,2014-04-06
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