Question: A certain radar system uses linear frequency modulated waveforms of the form [ x(t)=operatorname{Rec} tleft(frac{t}{tau}ight) cos left(omega_{0} t+mu frac{t^{2}}{2}ight) ] What are the quadrature components?

A certain radar system uses linear frequency modulated waveforms of the form

\[
x(t)=\operatorname{Rec} t\left(\frac{t}{\tau}ight) \cos \left(\omega_{0} t+\mu \frac{t^{2}}{2}ight)
\]

What are the quadrature components? Give an expression for both the modulation and instantaneous frequencies.

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