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Amplitude Error in amplitude Spectrum of FFT
As mention above, xdft = xdft(1:length(x)/2+1)./length(x); xdft(2:end) = 2*xdft(2:end); What is the purposes of div...

mer än 11 år ago | 0

Question


Generating Discrete time Rectangular wave
I would like to generate rectangular wave through matrices. I am able to generate triangular signal by : tri=[0 1/3 2/3 1 2...

mer än 11 år ago | 1 answer | 0

1

answer

Question


FFT of a function
I would like to do a FFT of x, x=cos(2*pi*f*t) How can i replace X(W) = FFT(X) --> X(W/a) = ? Thanks.

mer än 11 år ago | 1 answer | 0

1

answer

Answered
How to do FT Time shift and Time scaling properties
To update on this question, Wayne King provided the explanation and the steps provided are accurate. However there is one proble...

mer än 11 år ago | 0

Question


How to do FT Time shift and Time scaling properties
Currently i am trying use matlab to do the FT properties -time shift and time scaling, can someone help me in the implementation...

mer än 11 år ago | 7 answers | 0

7

answers

Question


Amplitude Error in amplitude Spectrum of FFT
Hello I'm currently working on FFT on cosine and sine function. I want to get the FFT graph to be plotted. The graph of the F...

mer än 11 år ago | 2 answers | 0

2

answers