Question

Fauries Transteem guen 3. A sienal with G(w) as aL 4 oes hrough a sevies 3.1. Fivst hous an out dences -LG(-w)-G(wtw.) outrut Hlw) 3,2. Second as en B Cuw)=GCe 3,3. and t third han am ,outuct Blal Hlw) Tlent ify whe tuese devices 3.1, 3,2, 3.3 domain (e. e Nue Fourur Properlies ime do n

Answer 1

Check the standard table of Fourier Transform properties. By matching them with the results

3.1) Here modulation occurs by a carrier wave 2 sin (w_ot)

3.2) Unit time shifter to right followed by time compressor by a factor of 2

3.3) A system with frequency response of B(w)