Application of a frequency comparator in speed monitoring systems

[kautilya]

what is the application of a frequency comparator in speed monitoring systems/ speed radar?

pls let me know the detailed circuitry of the same and its implementaion.

also what is the basic block diagram of a speed monitoring system based on comparision of pulses?

 

[Adjuster]

This looks suspiciously like a request for a full answer to a multi-part homework problem.

If this is the case, please read the "sticky" message on that subject.