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这是一个采用蓝牙4.0--iBeacon技术的室内定位服务端程序。
email address . [email protected]
Hi, Can you send me the sql file and your QQ num , i am working on LBS server program , i think we can have some communication about it. My email is [email protected], Thank you!
could you share me some document about how to deploy it on server?
大神你好,求份sql文件,感谢之 :[email protected]
大神你好,求份sql文件,感谢之 :[email protected]
谢谢!
每个用户 iBeacon 的采集频率和往服务器发的频率是多少?
只有x,y 不能对于实际上的空间吧?很多ibeacon基站都是安装在顶部的。
最小二乘法,不是可以直接拟合全部点?
你好,最近需要实现在个基于蓝牙室内定位,可以留下你的联系方式吗?
你好,方便留下联系方式吗,希望与你合作!我的电话是:18565851613,您方便的话也可以给我打过来!谢谢
大神,你好。
想确认下建模的数学公式
第一步
Pi = -10lgdi, i = 1, 2, ..., 70的意思是说 P1 = -10 * lg0.2, P2 = -10 * lg0.4 的意思吗?
还有一步
A = RSSI的平均值 - (n*p)的平均值,是不是应该是 A = RSSI的平均值 - n * (p的平均值)
getDistance 这个方法 计算的值是 NaN
是为什么
求求大神了
为什么不提供sql, 是需要购买吗?
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