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Ngoc Lam


Actif depuis 2014

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Professional Interests: signal processing,

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somethings wrong with LPF filter?
as you can see, the filter does not effect to the signal after multiplying, anyone can help me? thanks

plus de 9 ans il y a | 0

Réponse apportée
somethings wrong with LPF filter?
with these picture was specified below: 1. the origin sine wave <</matlabcentral/answers/uploaded_files/22023/sin_init.PNG...

plus de 9 ans il y a | 0

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somethings wrong with LPF filter?
Hi all, I want to simulate a LPF Filter with parameters: fc=5Khz,Fs=20.5Khz, N =30, Hamming window. so I initialized a sine ...

plus de 9 ans il y a | 2 réponses | 0

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define frequency of signal from fft output
Do you know the meaning of the symmetry of spectrum when we plot spectrum of signal? i thought that It's the negative spect...

presque 10 ans il y a | 0

Réponse apportée
define frequency of signal from fft output
Ah, I have no pay attention to Nyquyst sampling theorem aplied here! I have solved my problems, thanks for your help!

presque 10 ans il y a | 0

Réponse apportée
define frequency of signal from fft output
thanks for your opinions! it's helpful for me! But I have a trouble with using fft for analysing spectrum of signals. for exam...

presque 10 ans il y a | 0

Question


define frequency of signal from fft output
<</matlabcentral/answers/uploaded_files/18706/spectrum.PNG>> what is the relationship between the sampling frequency Fs and f...

presque 10 ans il y a | 5 réponses | 0

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