Elements Of Remote Sensing
The coherence length over which there is a strong relationship between amplitudes is;

Inversely proportional to the bandwidth
Directly proportional to the bandwidth
None of these
The square of the bandwidth

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Elements Of Remote Sensing
Which one of the following residual biases involves the GPS accuracy?

Receiver-dependent biases due to clock stability with line
Signal propagation biases due to the sphere and troposphere propagation
All listed here
Satellite dependent biases due to uncertainty in the orbital parameters of the satellite

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