{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Mucluc - C s vin thng Phm Vn Tn NHNG CP BIN I FOURIER 1...

Info icon This preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
C ơ s vi n thông Ph m V ă n T n Trang i NH NG C P BI N ĐỔ I FOURIER 1. NH NG TÍNH CH T T NG QUÁT: +∞ = dt e t s f s ft j π 2 ) ( ) ( +∞ = df e f S t s ft π 2 ) ( ) ( Function Fourier transform s(t-t 0 ) ) ( 0 2 t s e t f π dt ds t d s τ τ ) ( r(t)*s(t) r(t)s(t) s(at) ) ( 1 a t s a ) ( 0 2 f S e ft j π S(f-f 0 ) [ ] ) ( ) ( 2 1 0 . 0 f f S f f S + + ) ( 2 f fS j π f j f s π 2 ) ( R(f)*S(f) ) ( 1 a f S a S(af)
Image of page 1

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

View Full Document Right Arrow Icon