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Problem finding "valleys" in signal
Hello, I am using the findpeaks function to find the valleys in a signal, but it is not consistent and was wondering if there w...
2년 초과 전 | 답변 수: 3 | 0
3
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text in subplot with large font
Thanks for that answer. One thing, however, I am updating this supblot periodically and need to clear the respiratory rate for ...
text in subplot with large font
Thanks for that answer. One thing, however, I am updating this supblot periodically and need to clear the respiratory rate for ...
2년 초과 전 | 0
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text in subplot with large font
Hello, I'm trying to add text in a subplot instead of a chart that displays respiratory rate. I am using the code below, how...
2년 초과 전 | 답변 수: 1 | 0
1
답변질문
Output variables of different Class to csv or xls file.
Hello I have a few variables that I would like to output to a .csv or .xls file but am having difficulty accomplishing this. T...
2년 초과 전 | 답변 수: 1 | 0
1
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Findpeaks based on signal frequency
Hello, I am trying to use findpeaks on a signal that has a specific frequency component. This signal is repiratory audio, and ...
거의 3년 전 | 답변 수: 1 | 0
1
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Get column E based on transition in Column I
Hello, I have imported a spreadsheet into Matlab and am trying to look at where column I transitions from a 1 to a 0. When tha...
대략 3년 전 | 답변 수: 1 | 0
1
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extract a section of a vector and plot
This is most likely a very trivial question but I am having difficulty getting the outcome I would like. I have created a time ...
대략 3년 전 | 답변 수: 1 | 0
1
답변답변 있음
Detect signal clipping and remove
I'd like the areas highlighted in red to be removed (or zeroed out) but without altering the time domain. I am not able to use ...
Detect signal clipping and remove
I'd like the areas highlighted in red to be removed (or zeroed out) but without altering the time domain. I am not able to use ...
대략 4년 전 | 0
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Detect signal clipping and remove
Hi, I have a signal from a microphone that is listening for respiratory audio. When the test subject talks or moves too much, ...
4년 초과 전 | 답변 수: 3 | 0
3
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Evaluating multiple MEMS microphones
Hello, I need to evaluate multiple MEMS microphones to weed out which one is the best for my application. I am looking for som...
4년 초과 전 | 답변 수: 0 | 0
0
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Looking for a Low Pass Filter ( < 100 Hz) that will work in Octave
Hello, I am looking for a low pass filter with a cutoff of 100Hz that will work in Octave. I have used the butter function, bu...
4년 초과 전 | 답변 수: 1 | 0
1
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Amplitude increase after filter
and how is this applied to the raw siganl? filtfilt(sos, g, raw)?
Amplitude increase after filter
and how is this applied to the raw siganl? filtfilt(sos, g, raw)?
4년 초과 전 | 0
답변 있음
Amplitude increase after filter
I appreciate your assistance.. Unfortunately I don't have access to MATLAB until late next week and am currently using GNU Octav...
Amplitude increase after filter
I appreciate your assistance.. Unfortunately I don't have access to MATLAB until late next week and am currently using GNU Octav...
4년 초과 전 | 0
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Find beginning and end points from a pulse
Hello, I am trying to determine the beginning and end points of a pulse like the plot below. I have seven of these pulses save...
4년 초과 전 | 답변 수: 1 | 0
1
답변답변 있음
Amplitude increase after filter
It isn't amplifying anymore but it is now reduced reduced amplitude. You say it shouldn't be off at all, but doesn't a filter ...
Amplitude increase after filter
It isn't amplifying anymore but it is now reduced reduced amplitude. You say it shouldn't be off at all, but doesn't a filter ...
4년 초과 전 | 0
답변 있음
Amplitude increase after filter
Now it is off by about a factor of 10, but is it safe to assume that is the normal reduction from the filtering? step4 = filtfi...
Amplitude increase after filter
Now it is off by about a factor of 10, but is it safe to assume that is the normal reduction from the filtering? step4 = filtfi...
4년 초과 전 | 0
질문
Amplitude increase after filter
Hello, I am using a moving average to filter and find the envelope of a raw signal. I am curious as to why the amplitude of th...
4년 초과 전 | 답변 수: 5 | 0
5
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Text output from script
Hello, I was wondering if there was a way to output a text report of certain values and variables from my matlab script. I am ...
4년 초과 전 | 답변 수: 1 | 0
1
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Label point on FFT plot
Hi, I have a plot of an FFT of a signal, I did a findpeak to find the pronounced frequencies, and now I would like to add a lab...
4년 초과 전 | 답변 수: 1 | 0
1
답변질문
Use findpeaks on specific frequency range
Hello, I am trying to find the two peaks just under 1Hz in the plot attached. I wasn't sure how to use findpeaks to do this, b...
4년 초과 전 | 답변 수: 1 | 0
1
답변질문
Automate pulse duration measurements
Hi, I need to find the beggining and end of pulses like the image attached. With those points, I'd like to find the duration o...
4년 초과 전 | 답변 수: 0 | 0
0
답변질문
Estimate volume from extracted pulse
Hello, I have extracted a pulse from an audio signal and would like to see if I can determine volume from each pulse. Does any...
4년 초과 전 | 답변 수: 1 | 0
