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JUN WANG


10 total contributions since 2018

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Answered
Why isn't there a command to capture Raspberry Pi external soundcard data except for Simulink?
I've looked everywhere, there isn't even a command to capture Raspberry Pi external soundcard’s microphone data except for using...

más de 1 año ago | 0

| accepted

Question


Why isn't there a command to capture Raspberry Pi external soundcard data except for Simulink?
I have raspberry pi set up with Matlab and connected. Raspi is connected to an external soundcard: hw:1,0 Here's where I am: ...

más de 1 año ago | 1 answer | 0

1

answer

Question


how to generate C++ code from a script?
it is a script, not a function.

más de 1 año ago | 1 answer | 0

1

answer

Question


libsvm function in matlab
What's the train and predict function for libsvm if I want to use it in Matlab? The matlab svm train and predict function is: ...

más de 1 año ago | 1 answer | 0

1

answer

Question


how to save frames of data into one struct?
I have the following code to read one frame data--> n points-->find 10 peaks(from n points). say I want to read 10000 frames of ...

más de 1 año ago | 1 answer | 0

1

answer

Question


What is matlab's sampling rate through Arduino analog input?
45 hz. In my case average sample time is 0.011008 sec/sample, roughly 45hz, while the Arduino's sampling rate is 10000hz.

más de 1 año ago | 1 answer | 0

1

answer

Question


Getting error trying to get data from spectrum analyzer every 20ms
I have Simulink model built as top left, spectrum analyzer showing real-time fft at the bottom left, and I typed: spectrumTable ...

más de 1 año ago | 1 answer | 0

1

answer

Question


feature extraction on recorded data vs. live data.
I found this tutorial on feature extration and training using recorded data. <https://www.youtube.com/watch?v=VO0d6EuGpO0> Wh...

más de 1 año ago | 1 answer | 0

1

answer

Question


unable to compile simulink fft and peak algorithm due to some error.
I built couple blocks as shown in the image. However the error keeps poping up, and I have no idea how to change it. Appreciate ...

más de 1 año ago | 1 answer | 0

1

answer

Question


how to read Arduino analog input into Matlab spectrumAnalyzer?
how to read Arduino analog input into Matlab spectrumAnalyzer?

más de 1 año ago | 1 answer | 0

1

answer