GLONASS和GPS 区别

pghvip · 发表于 2013-3-19 16:33:57

GLONASS和GPS 区别
【文件名】:13319@52RD_GPS_Glonass.pdf
【格　式】:pdf
【大　小】:649K
【简　介】:GLONASS和GPS 区别
【目　录】:GPS/GLONASS Overview

GPS/GLONASS Overview

csliu163 · 发表于 2013-3-25 11:49:56

xialai 看看，学习

lhylyy · 发表于 2013-3-19 22:29:54

心真害就这点破玩意要值3RD?

pghvip · 发表于 2013-3-19 16:36:41

非常好的资料，值得一看

leeyuanhan · 发表于 2013-4-20 21:39:11

What is GPS ?
 A global navigation system that can provide an accurate location and time
information anywhere on our near the earth.
 It is a collection of 31 satellites that orbit the earth at an altitude of 20,000 km.
  The satellites are placed in 6 different orbits at an inclination of 55º and each of
them has a 12 hour orbit.
 At any given time there are at least 6 different satellites which are visible from a
certain point on the earth.
 To get a location fix, the GPS device needs to lock in to 4 of the 6 visible
satellites. 4 satellites are needed as there are 4 variables – The 3 coordinates +
?

nicholashu · 发表于 2013-7-10 15:37:15

这么贵？忽悠吧？

szzouzhenyu · 发表于 2013-7-31 16:39:49

研究一下。

dragonmcu · 发表于 2013-9-6 17:10:14

心真黑就这点破玩意要值3RD?

angel2089 · 发表于 2013-10-18 12:42:08

心真黑这点要3RD?

cainiaofeng · 发表于 2013-10-18 13:50:02

看起来好像很厉害的样子

alexfu1984 · 发表于 2013-10-22 09:35:41

晕倒哥们是非洲来的吗

yubanrobin · 发表于 2013-11-21 14:31:28

哥们，太贵了

Z_Fantasy · 发表于 2013-11-22 21:41:17

外面没有么？

EMC_Tony · 发表于 2013-12-3 12:59:28

看看了解下

yubanrobin · 发表于 2013-12-4 11:02:19

童鞋们，要不咱组建一个GPS交流群吧，方便交流[em01]

liuhongtao · 发表于 2013-12-10 14:51:23

赞！！！！！！！！！！！！！！！！！！！！！！！！

30123250 · 发表于 2013-12-10 15:28:39

是有点贵哈

30123250 · 发表于 2013-12-10 15:42:25

xian顶顶[em01]

30123250 · 发表于 2013-12-10 15:42:52

下载看看吧

30123250 · 发表于 2013-12-10 15:43:12

好东西，可以看看

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