12 Questions
What is used to determine the position of the user (or rover) receiver?
Reference receiver
How is the position accuracy improved to decimetre-level and even centimetre-level?
By using carrier phase observations and reference receivers
What is the key to achieving high accuracy in position determination?
Carrier phase cycle ambiguity resolution
What is the purpose of using a whole network of reference receivers?
To improve position accuracy
What is the basic principle of satellite navigation known as?
Standalone positioning or single point positioning
How many distances from satellites to the receiver are measured in standalone positioning?
Three distances
What allows us to determine the position of the user receiver in three dimensions?
Three distances to satellites with known position coordinates
What is observed to measure the travel-time of the radio signal in standalone positioning?
Radio signal travel-time
What is the basic principle of satellite navigation referred to as?
Standalone positioning or single point positioning
How many distances from satellites to the receiver are measured in standalone positioning?
Three distances
What is used to measure the travel-time of the radio signal in standalone positioning?
A receiver on or close to the Earth
What allows us to determine the position of the user receiver in three dimensions?
Three distances to objects or points with known position coordinates - the satellites
Test your knowledge on determining the position of a user (or rover) receiver with respect to a reference receiver using carrier phase observations, and achieving high accuracy through carrier phase cycle ambiguity resolution.
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