FFT Plot

A quick-and-dirty FFT Plot

Description

An easy-to-use file that plots the power spectral density of a vector

• MATLAB release: MATLAB 6.0 (R12)

[Taylor Tian]

It will be nice to provide some explaination for the code. Thank you!

[Carl Holzinger]

good one

[soumya mohanty]

excellent

[tsai CH]

I recomment you add window function before perform fft.

[Minglie Hu]

good

[prabu prabu]

good and usefull for education for students

[peng t]

useful for freshman

[mosafa ibrahim]

 

[Patrik Eschle]

You should not publish such scripts, this
is less than a q&d hack. Besides poor programming style it is simply incorrect.

b = length(a)/2
(1:b)

Sorry, this will fail for odd number of elements. Besides that, the PSD is not simply the square of abs(fft), see here
www.utexas.edu/math/Matlab/Manual/tec6.2.html

[Nick C]

Poor - PSD wrong! Just look at fft in matlab help and all is explained better.

[Omar Nadeem]

A waste of time!

[Li ??]

How to download the file?
Could you please send me the m file? Thank you!
My Email is [e-mail]