Question

Frequency spectrum - Reading certain y-values

Given is the frequency spectrum of a measurement. The x-axis represents the frequency, the y-axis the amplitude. These are store...

2 years ago | 1 answer | 0

Question

Plot from two curves

Given are two interpolation curves from different measurements with different numbers of measuring points (Example: A=67points, ...

2 years ago | 1 answer | 0

Answered

Curve at the peak values

Thanks, with [pkt,lct] = findpeaks(ChannelE,Frequency,'Threshold',0.8); this works quite well. What's the best way to create ...

Curve at the peak values

Thanks, with [pkt,lct] = findpeaks(ChannelE,Frequency,'Threshold',0.8); this works quite well. What's the best way to create ...

2 years ago | 0

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Question

Curve at the peak values

For the evaluation of measurement results, a curve should be laid through the maximum values (polynomial or spline). Is there a ...

2 years ago | 1 answer | 0

Question

Frequency spectrum - Curve at the maximum values

Hello, How can I generate a curve at the maximum values in Matlab? (See example red curve) Many Thanks!

2 years ago | 1 answer | 0

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FFT - Matlab Code not correct

Hello, By means of ultrasonic sensors I made some measurements and would like to evaluate them now via Matlab (data source "d...

3 years ago | 1 answer | 0

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FFT - Output maximum values

Hello, Is there an easy way to read the maximum amplitudes with the corresponding frequencies in Matlab after the FFT? Man...

3 years ago | 0 answers | 0

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Matlab FFT - sampling frequency

For the evaluation of ultrasound measurement data the frequency analysis should be carried out by means of Matlab. A sampling f...

3 years ago | 1 answer | 0

Question

FFT from measured data - Scaling y-axis

Hi all, As a data basis, I have measured data the volts were recorded. Matlab will now be used to perform an FFT. I have th...

3 years ago | 2 answers | 0