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Jingyi Yuan


Last seen: 6 months ago |  Active since 2022

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what dose [1: equations : 0] means in MATLAB?
Hello; I currently find a code to draw signal spectrogram of the signal, I got a quite good result from the signal using their ...

2 years ago | 1 answer | 0

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How to use Dash code to get stockwell transform result?
Hello, I am trying to use Dash code to out put the grouph of Stockwell transform but I am quite confused of the variable f. T...

2 years ago | 1 answer | 0

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Why and what should I do if a signal ampiltude decreased so much after it passed a low-frequency and a high-frequency butterpass filter
Hello, I was trying to remove the noise of a heartsound, then I found in a reference that I should use a butterpass filter. But...

2 years ago | 1 answer | 0

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