- - :
http://www.arab-eng.org/vb/showthrea...33#post1009233
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1:
GPS trimble R8 RTK ( ...)
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2:
trimple . R8 BASE RECIVER RTK RECIVER BASE (5700 ,5800 ) RTK. FAST STATIC CONTROL.
, ( ) , ( .....) .
TRIMARK , PACEIFICRECT .
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3:
.
: RTK Precision AND RMS
30 RMS 30 70
Precision 60% . RTK 4
BASE LINE
Kinematic surveying2
Horizontal. 10 mm + 1 ppm RMS
Vertical. 20 mm + 1 ppm RMS
Initialization time. typically <10 seconds
Initialization reliability4. typically >99.9%
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4:
1- GPS RTK . RTK Setting-Out. Post-Processing Processing . RTK !
2- "" . :
http://www.gisclub.net/vb/showthread.php?t=3419&page=2
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- - Precision Accuracy. "" !! Precision Software . - - Root Mean Square Error RMS. Systematic Errors Random Errors Least-Squrares Adjustment RMS .
Accuracy True Value . GPS ( ) . Accuracy .
: Precision 10 ( 15 !) Accuracy 25 . : - - Tropospher .
- GPS - Accuracy ( Precsion ) .
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3- RTK 3-5 . ( !). Rejected Data . . 1.5 . - - 2 ( Anteena Height ) .