lecture3

# lecture3 - EEE455/591 EEE455/591 Basic of Analog Modulation...

This preview shows pages 1–5. Sign up to view the full content.

EEE455/591 EEE455/591 Basic of Analog Modulation Basic of Analog Modulation Reading: Textbook Sections 3.1, 3.2.1 Reading: Textbook Sections 3.1, 3.2.1 Review: Some more Fourier analysis Review: Some more Fourier analysis Topics: Topics: Amplitude Modulation, time domain Amplitude Modulation, time domain Amplitude Modulation, frequency domain Amplitude Modulation, frequency domain Mathematical Basics of AM Modulation Mathematical Basics of AM Modulation Double Side Band Modulation. Example Double Side Band Modulation. Example

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
Review: Fourier Transform abcde Rectangular function -> sinc function t f 1 or A 1/2 or T/2 fT fT AT π sin t T 0 T Periodic rectangular function -> Sampled sinc function -1/2 or -T/2 1
Review: Fourier Transform Rectangular function -> sinc function f fT fT AT π sin Sampled rectangular function -> Periodic sinc function t 1 or A 1/2 or T/2 -1/2 or -T/2 t 1 or A 1/2 or T/2 -1/2 or -T/2 t 0 1/t 0 f

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
1. Amplitude Modulation – Time Domain abcde Transducer produces a signal m(t) e.g. an electrical signal representing speech through a carbon microphone. The electrical signal transmitted over a copper wire
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 12

lecture3 - EEE455/591 EEE455/591 Basic of Analog Modulation...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online