1、 1. 2. 3. 4. 5. 6. 7. 8. 1 2 = a b a 1. 2. 3. 4. 5. GPS A B A HA B HB A B A B A B a b A B A B A a B b hAB= 后视 读数- 前视读 数 B A hAB0 B A hAB0 A B hAB B B1 B2 Bn B1 B2 Bn b1 b2 bn A B ( TP ) TP1 TP 2 1 2 3 4 5 DJ6 1 2 3 DJ6 1 2 3 4 5 90 6 DJ6 1 DJ6 60 60 2 90 3 4 2 3 * * 2mm 1. OA OB O A O B 1 2 A B A B
2、-a 2. z Electronic Total Station ( ) 1 2 ( ( , Topcon,Trimble): 3 4 (RAM) PC 5 BS 232C ( ) 1 1 A 2 A 3 B 2 1 2 760mmHg 0ppm 3 4 2.5S 1mm 1cm 0.3S 0.7S 1cm 1mm MODE 3 1 2 3 4 5 6 PCMCIA personal computer memory card internation association , PC 1 MENU / 2 2 / 3 3 / 4 DXA ( A) DXB B / 5 / 6 / 7 ESC 1 MENU 2 3 4 DXA DXB 1 / 2 . 3 DXA DXB 1 / 2 3 4.
