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GNSS Positioning Kutubuddin ANSARI [email protected] .tr GNSS Surveying, GE 205 Lecture 7, May 10, 2016

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GNSS Positioning

Kutubuddin [email protected]

GNSS Surveying, GE 205

Lecture 7, May 10, 2016

Point 1

GNSS Point Positioning•Location Data is collected for a point•Stationary for an extended period of time•Move to another location, repeat the process

(X,Y,Z)Accuracy 5 - 10 m

Point positioning

Point positioning

Point positioning

Point positioning with Doppler data

Point positioning

Kinematic GNSS Positioning

Start FinishAccuracy10 - 100m

Used to determine the position of moving objects

Kinematic GNSS Positioning

Kinematic GNSS Positioning

Kinematic GNSS Positioning

•The remote receiver applies the corrections to the measured pseudoranges and performs point positioning with the corrected pseudoranges.

•The use of the corrected pseudoranges improves the position accuracy with respect to the base station.

Differential Positioning

Differential Positioning

Differential Positioning

BOMDILLA

GANGTOK

SHILLONG

GANGTOK

BOMDILLA

GANGTOK

SHILLONG

GUWAHATIGUWAHATI

TEZPUR

BOMDILLA

LHASA

GANGTOK

SHILLONG

TURA

Differential Positioning

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