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GPS receivers include a signal that is ____ filtered when it reaches a radio from a satellite.

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GPS receivers include a signal that is ____ filtered when it reaches a radio from a satellite.

(a) Gaussian

(b) Blackman

(c) Kalman

(d) Sobel

I have been asked this question in class test.

The query is from Available Technologies for Cognitive Radio topic in portion Cognitive Radio Basics of Cognitive Radio

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Best answer
Correct option is (c) Kalman

The best explanation: Kalman filter uses observed values and provides accurate estimates of unknown variables using joint probability distribution over the variables for each time frame. GPS receivers include a one pulse per second signal that is Kalman filtered.

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