Community Profile # Yian Chen

Last seen: 8 maanden ago Active since 2021

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Question

How to create a moving average filter to a specific signal
Hi I wanna apply a moving average filter to my temperature dataset, it is a 92-day daily temperature dataset. How can I create ...

9 maanden ago | 2 answers | 0

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Question

How to apply window function in MATLAB
Hi I wanna to apply a window function to my FT result. I have two questions, the first one is how to add the window function co...

9 maanden ago | 0 answers | 0

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Question

How to add zero points in a function
Right now I have a function h = sin(2*pi*50*t) with 27 samples, and I want to add 500 zeros to the end of the 27-signal-long sig...

10 maanden ago | 1 answer | 0

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Question

How to use FFTshift to produce a 0 frequency centered plot
Here is my plot, but I don't know why the right plot is shifted after using FFTshift function, how can I solve this problem? fs...

11 maanden ago | 1 answer | 0

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Question

sampling and FFT of a sinusoid signal
There is a 50HZ sinusoid signal g(t)=sin(2*pi*50*t) where 0≤t<0.1 and it is sampled at a rate of 250HZ, how can I plot this sign...

11 maanden ago | 1 answer | 0