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need help in down sampling

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vjfaisal

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hi

if anyone knows some about the downsampling , please explain it to me....

Q: when we down sample our data, our original data could be lost or not???




regards
 

atul_microwaves_antenna

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Data is not lost provided u obey Sampling theorm !!! Downsampling is multirate signal sampling you can say...
In any case either downsampling or up....u obey Sampling Theorm..so u can always recover the original signal..
 

esfahanianboy

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you can check it in matlab using "resample" function
 

Harshash

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has long has u obey nyquist sampling u will never loose any of ur information
 

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