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Author Topic: Purpose of the Modulator
Posts: 2
Post Purpose of the Modulator
on: June 13, 2015, 11:27

I'd appreciate if someone explains to me the purpose of the modulator and the reason we only use it in the ranging experiments and switch it off in Doppler mode. I know that the modulator causes the transmitted wave frequency to vary periodically but my question is why do we need this in the first place?
Second question is what is the impact of changing the BW of the transmitted signal (i.e. the amplitude of the modulating signal)?

Thank you

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