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a small query regarding sampling

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janakiram.sistla

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hi all
please can any one let clear my doubt "can the sampling frequency of a digitized signal be varied i.e can we vary sampling frq after sampling by adc if so please let me know how we do it "are there any methods for doing so???
 

Hi,
I think u can use decimation or interpolation technique to change the frequency. Search in google for decimation or interpolation.
 
janakiram.sistla said:
hi all
please can any one let clear my doubt "can the sampling frequency of a digitized signal be varied i.e can we vary sampling frq after sampling by adc if so please let me know how we do it "are there any methods for doing so???
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yes u can do so,u can change the sampling rate ucsing decimation and interpolation, u can use the commands"downsampling","uosampling","interpolate" and "decimate" in MATLAB.
 

your answer is decimation and interpolation
 

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