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Yian Chen


Last seen: 4 days ago Active since 2021

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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 ...

5 days ago | 2 answers | 0

2

answers

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...

8 days ago | 0 answers | 0

0

answers

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...

1 month ago | 1 answer | 0

1

answer

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...

2 months ago | 1 answer | 0

1

answer

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...

2 months ago | 1 answer | 0

1

answer

Question


How can the individual samples be visable in the plot
Like sin(2*pi*100*t) and t is between 0-0.5S, how could there be 25 samples?

2 months ago | 3 answers | 0

3

answers