NHA Police Officer Question:

Explain the DS-SS and FH-SS?

Highway Police Officer Interview Question
Highway Police Officer Interview Question

Answer:

DS SS is the Direct Sequence Spread Spectrum.The transmitted signal takes up more bandwidth than the information signal that is being modulated.
Frequency-hopping spread spectrum FHSS is a method of transmitting radio signals by rapidly switching a carrier among many frequency channels, using a pseudorandom sequence known to both transmitter and receiver.


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