RANGE-DIFFERENCING OF
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It is also possible to difference the observations from the same receiver to the same satellite, but made at different epochs:
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(1.4-12) |
There are three independent "between-epoch" differences in which the three constant satellite-receiver specific biases have been eliminated. As before, it is possible to proceed and linearise this model and obtain an estimate of the 3-D coordinates. The solution would be equivalent (same 3-D coordinate components and VCV matrix) to explicitly estimating the biases as additional parameters in equation (1.4-11).
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© Chris Rizos, SNAP-UNSW, 1999