ASN8 - How does a CD player work: Difference between revisions

From Class Wiki
Jump to navigation Jump to search
No edit summary
No edit summary
 
Line 3: Line 3:


[[Image:x_continuous3.jpg]]<math>^.\!</math>[[Image:Impulst.jpg]]=[[Image:x_discrete_a.jpg]]
[[Image:x_continuous3.jpg]]<math>^.\!</math>[[Image:Impulst.jpg]]=[[Image:x_discrete_a.jpg]]
[[Image:x_frequency1b.jpg|thumb]] *[[Image:Impulsf.jpg|thumb]]=
[[Image:x_frequency1b.jpg|thumb]][[Image:Impulsf.jpg|thumb]]


[[Image:x_frequency2a.jpg|thumb]]^.
[[Image:x_frequency2a.jpg|thumb]]
[[Image:x_frequency3a.jpg|thumb]]=
[[Image:x_frequency3a.jpg|thumb]]
[[Image:x_frequency4a.jpg|thumb]]^.
[[Image:x_frequency4a.jpg|thumb]]




Line 13: Line 13:
[[Image:x_discrete_a.jpg]]*[[Image:p_t.jpg]]'''*'''[[Image:lowpass_g_t.jpg]]=
[[Image:x_discrete_a.jpg]]*[[Image:p_t.jpg]]'''*'''[[Image:lowpass_g_t.jpg]]=


[[Image:x_step.jpg]][[Image:P_f.jpg|thumb]]=
[[Image:x_step.jpg]][[Image:P_f.jpg|thumb]]


[[Image:x_frequency5.jpg|thumb]]
[[Image:x_frequency5.jpg|thumb]]

Latest revision as of 15:08, 21 December 2009

Back to my home page These picks show what happens in time and frequency when a CD player digitally samples an ac signal. note that convolution in time will be multiplication in frequency and vise versa.

X continuous3.jpgImpulst.jpg=X discrete a.jpg

X frequency1b.jpg
Impulsf.jpg
X frequency2a.jpg
X frequency3a.jpg
X frequency4a.jpg


X discrete a.jpg*P t.jpg*Lowpass g t.jpg=

X step.jpg

P f.jpg
X frequency5.jpg
Lowpass G f.jpg