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how get the range from FFT on FMCW radar data

@Simeon, You need to specify exactly what the signal that you have consists of. It could be the received signal mixed with a re...

how get the range from FFT on FMCW radar data

@Simeon, You need to specify exactly what the signal that you have consists of. It could be the received signal mixed with a re...

2 Monate vor | 0

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How to plot a linear function?

@Jenni, [edit: Fix typo: change "values at" to "values are"] It looks like you want to plot measured data as well as the best-...

How to plot a linear function?

@Jenni, [edit: Fix typo: change "values at" to "values are"] It looks like you want to plot measured data as well as the best-...

2 Monate vor | 0

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Why the calculated phase differs so much from the real phase of the signal?

@Janko, The DFT expresses a signal x(k) as a sum of sinusoids, each of which is sampled at regular intervals. The phase angles...

Why the calculated phase differs so much from the real phase of the signal?

@Janko, The DFT expresses a signal x(k) as a sum of sinusoids, each of which is sampled at regular intervals. The phase angles...

3 Monate vor | 2

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Create a node in the space between two nodes (A and B) and following the direction normal to a node (N)

@Alberto Acri D=(A+B)/2; % the location E=cross((A-B),(N-D)); % the direction good luck

Create a node in the space between two nodes (A and B) and following the direction normal to a node (N)

@Alberto Acri D=(A+B)/2; % the location E=cross((A-B),(N-D)); % the direction good luck

3 Monate vor | 0

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How to solve this function?

@Ramesh, I am not sure what you mean by "how do you solve this function". You have posted a function. par=struct('A',1,'E',2,...

How to solve this function?

@Ramesh, I am not sure what you mean by "how do you solve this function". You have posted a function. par=struct('A',1,'E',2,...

3 Monate vor | 0

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Solving 2d heat problem using meshgrid

@Ali, [edit: fix spelling erors] A 10x10 mesh for this problem is so few points that it makes it hard to set up the problem an...

Solving 2d heat problem using meshgrid

@Ali, [edit: fix spelling erors] A 10x10 mesh for this problem is so few points that it makes it hard to set up the problem an...

3 Monate vor | 0

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How to reduce \t commands

@TheSaint, Hard to say, since we don't know what F and SC and E are. You use the word table. Have you used Matlab's T=table...

How to reduce \t commands

@TheSaint, Hard to say, since we don't know what F and SC and E are. You use the word table. Have you used Matlab's T=table...

3 Monate vor | 0

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Advice on formulating a minimization function

@Collin Pecora, If you want to use multiple sources of data, with different levels of measurement error, to estimate parameters...

Advice on formulating a minimization function

@Collin Pecora, If you want to use multiple sources of data, with different levels of measurement error, to estimate parameters...

3 Monate vor | 0

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looped 3D FFT of 4D data

@sbr, P2 is 64x64x64. P1 is 1x33. Your plot shows that one column along one corner-edge of the cube P2 is zero. But P2 is not...

looped 3D FFT of 4D data

@sbr, P2 is 64x64x64. P1 is 1x33. Your plot shows that one column along one corner-edge of the cube P2 is zero. But P2 is not...

3 Monate vor | 0

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Plot a Probability Density Function in 3D

@Victor Carneiro da Cunha Martorelli, For a one-dimensional random variable, you could do the Kolmogorov-Smirnov test, or the A...

Plot a Probability Density Function in 3D

@Victor Carneiro da Cunha Martorelli, For a one-dimensional random variable, you could do the Kolmogorov-Smirnov test, or the A...

3 Monate vor | 0

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Detect boundaries seperating data blocks in a time series signal

@Ashley, I am actually very impressed that findchangepts() did so well. I recommend adjusting the optional arguments of findch...

Detect boundaries seperating data blocks in a time series signal

@Ashley, I am actually very impressed that findchangepts() did so well. I recommend adjusting the optional arguments of findch...

3 Monate vor | 0

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How to get the value of X-axis at the -3dB

@Chris, There is no guarantee that H(f) will = -3 dB at one of the frequencies at which you evaluate H(f). Therefore, since it ...

How to get the value of X-axis at the -3dB

@Chris, There is no guarantee that H(f) will = -3 dB at one of the frequencies at which you evaluate H(f). Therefore, since it ...

3 Monate vor | 1

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Special case of spectrogram not match FFT

@John, There are many ways to normalize a spectrum. Mathematicians like to have a factor 1/sqrt(n) in the forward and reverse ...

Special case of spectrogram not match FFT

@John, There are many ways to normalize a spectrum. Mathematicians like to have a factor 1/sqrt(n) in the forward and reverse ...

3 Monate vor | 0

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Fourier transform spatial domain-DSP

@Nimasha Pilippange, Matlab's fft() will work fine on spatial data. The only difference is in the interpretation of the transf...

Fourier transform spatial domain-DSP

@Nimasha Pilippange, Matlab's fft() will work fine on spatial data. The only difference is in the interpretation of the transf...

3 Monate vor | 0

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two signal one is original signal i.e. pulses and other is receiving signal with a noise. finding the delay in signal by using the cross correlation.

@Mahesh, The error above occurs if you pass a non-integer scalar value for receiver_signal, because a scalar is interpreted as...

two signal one is original signal i.e. pulses and other is receiving signal with a noise. finding the delay in signal by using the cross correlation.

@Mahesh, The error above occurs if you pass a non-integer scalar value for receiver_signal, because a scalar is interpreted as...

3 Monate vor | 0

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How to find fitting optimized parameters to fit a system of non-linear ODEs to experiment.

@Buhari Ibrahim Matlab has excellent tools for this. https://www.mathworks.com/help/optim/ug/optimizing-a-simulation-or-ordina...

How to find fitting optimized parameters to fit a system of non-linear ODEs to experiment.

@Buhari Ibrahim Matlab has excellent tools for this. https://www.mathworks.com/help/optim/ug/optimizing-a-simulation-or-ordina...

3 Monate vor | 2

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How to delete or exclude an entire matrix if it contains all zeros

@Caitlin, you'll have to be more specific about how you are reading in the data in order to get a useful answer. X=zeros(10,10)...

How to delete or exclude an entire matrix if it contains all zeros

@Caitlin, you'll have to be more specific about how you are reading in the data in order to get a useful answer. X=zeros(10,10)...

3 Monate vor | 0

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Huge inaccuracies in plotting diode IV characteristic in Matlab

@Nicholas, It is clear that your model does not fit your data. So there has been an error in the data collection, or the mdoe...

Huge inaccuracies in plotting diode IV characteristic in Matlab

@Nicholas, It is clear that your model does not fit your data. So there has been an error in the data collection, or the mdoe...

3 Monate vor | 1

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Adjusting Parameters in Transcranial Doppler Audio Processing: Seeking Guidance on Gain, SWEEP, and Audio Playback

@PatrĂcia, For colors, you can specify a colormap that gives colors more like what you want. See here, and scroll down to see ...

Adjusting Parameters in Transcranial Doppler Audio Processing: Seeking Guidance on Gain, SWEEP, and Audio Playback

@PatrĂcia, For colors, you can specify a colormap that gives colors more like what you want. See here, and scroll down to see ...

3 Monate vor | 0

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Inconsistency between Matlab eig() function and Matlab generated C code eig() function

@Hugoz, I am not sure how you generated the C code, but I suspect the C code is wrong. Matlab's eig() is extremely well tested...

Inconsistency between Matlab eig() function and Matlab generated C code eig() function

@Hugoz, I am not sure how you generated the C code, but I suspect the C code is wrong. Matlab's eig() is extremely well tested...

3 Monate vor | 0

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Fitting an ellipse based 3D PointCloud on 3D space

@Tingting, The data file you provided is a triangulation object. To fit an ellipse to the data, extract the vertices. load('3...

Fitting an ellipse based 3D PointCloud on 3D space

@Tingting, The data file you provided is a triangulation object. To fit an ellipse to the data, extract the vertices. load('3...

3 Monate vor | 0

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Inconsistent solutions for numerical integration of non-linear differential equations?

@Marco, [Edit: Change "higher level solvers are able to achieve..." to "higher order solvers may achieve...", because the highe...

Inconsistent solutions for numerical integration of non-linear differential equations?

@Marco, [Edit: Change "higher level solvers are able to achieve..." to "higher order solvers may achieve...", because the highe...

3 Monate vor | 0

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How to use MATLAB to simulate and obtain farmland plots?

@marvellous, Yes you can. You'll need to specify something about the shape, for example, the number of vertices. I'm sure ...

How to use MATLAB to simulate and obtain farmland plots?

@marvellous, Yes you can. You'll need to specify something about the shape, for example, the number of vertices. I'm sure ...

3 Monate vor | 1

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Amplitude decrease after FIRRateConverter

@Yuhan Chiang, [edit: fix spelling errors] Please post the data file and code you used to make the initial figure. You said y...

Amplitude decrease after FIRRateConverter

@Yuhan Chiang, [edit: fix spelling errors] Please post the data file and code you used to make the initial figure. You said y...

3 Monate vor | 0

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Creating cartesian volumetric dataset from polar coordinates

@Eun, This is quite do-able. I know there are people on this site who are very much able to assist you. I have experience usi...

Creating cartesian volumetric dataset from polar coordinates

@Eun, This is quite do-able. I know there are people on this site who are very much able to assist you. I have experience usi...

3 Monate vor | 0

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Solve a system of coupled differential equations with ODE23s

@Thomas Stone-Wigg, Does your code run? Do you want help making it run at all, or help making it run better? If better, bette...

Solve a system of coupled differential equations with ODE23s

@Thomas Stone-Wigg, Does your code run? Do you want help making it run at all, or help making it run better? If better, bette...

3 Monate vor | 0

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How to locate the bifurcation point of the flow

@Charles Taylor Taylor, You provided a quiver plot. Since you have a quiover plot, you obviously have the arrays X,Y,U,V. You...

How to locate the bifurcation point of the flow

@Charles Taylor Taylor, You provided a quiver plot. Since you have a quiover plot, you obviously have the arrays X,Y,U,V. You...

3 Monate vor | 0

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heatmap help - how to display grouped data across 3 levels (LO, MED, HI) ?

@Douglas Leaffer, Make a single variable Vstat with three categories: LOW, MED, HIGH, rather than three separate variables. ...

heatmap help - how to display grouped data across 3 levels (LO, MED, HI) ?

@Douglas Leaffer, Make a single variable Vstat with three categories: LOW, MED, HIGH, rather than three separate variables. ...

3 Monate vor | 0

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Difference between theoretical power spectral density and pwelch/periodogram ARMA models

@Simona Turco, When estimating the transfer function with pwelch(), remember to compute the denominator. Estimate the PSD of...

Difference between theoretical power spectral density and pwelch/periodogram ARMA models

@Simona Turco, When estimating the transfer function with pwelch(), remember to compute the denominator. Estimate the PSD of...

3 Monate vor | 1

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autocorrelation of a signal after transforming the x-axis

@Sayanta Goswami, There is not an option with xcorr() to apply a different time scale. The discrete cross- and auto-correlatio...

autocorrelation of a signal after transforming the x-axis

@Sayanta Goswami, There is not an option with xcorr() to apply a different time scale. The discrete cross- and auto-correlatio...

3 Monate vor | 0