pelch function for estimating of power spectral density of sin wave.

hi ,I am trying to use pwelch function for estimating of power spectral density of sin wave. becaause i am new to matlab i have so much difficulties, can anybody help?

[Geoff Hayes]

Please describe some of the difficulties that you are facing. Include any code that you have written that makes use of pwelch.

[elham]

i have no codes. any example would be a great help. i am not able to get the matlab help

Answer 1

[Image Analyst]

Did you expand and review any of the 9 examples in the help for pwelch()?

[elham]

 i am not able to get the matlab help examples.