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Last seen: 5 months 前 |  自 2020 起处于活动状态

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统计学

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Can I plot S21 and S12 from .s1p data?
In a first set of measurements from my VNA (vector network analyser), I was able to collect .s2p files which I could plot the S-...

5 months 前 | 0 个回答 | 0

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How to import .s2p file?
I have downloaded the RF toolbox but somehow cannot manage to download the .s2p files. I managed to do this some time ago on my ...

8 months 前 | 1 个回答 | 0

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Can using 'angle' to find S21 phase shift ever be done incorrectly?
My calculation of arctan(real/imaginary) for S21 gives a different answer. Can anyone explain what I am doing wrong (in one of t...

8 months 前 | 1 个回答 | 0

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use RF toolbox to plot S21 vs frequency for different dB signals
I have 30 s-parameter data sets but instead of just plotting s21 together on the same plot, I'd like to plot the value vs dB. I ...

8 months 前 | 1 个回答 | 0

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提问


For a known number of plots on the same axis, how do I set the colourscale?
I'm trying to plot my 20 results with a span of rainbow colours and was wondering how you could go about doing this using matlab...

9 months 前 | 1 个回答 | 0

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提问


how to use reshape when plotting s-parameters?
I'm following one of the previous solutions to try to solve my problem (https://uk.mathworks.com/matlabcentral/answers/1894865-h...

9 months 前 | 1 个回答 | 0

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提问


color plotting error appearing only after one line and not appearing earlier
The second line of the fragment of code below throws an error. Does anyone have any idea why? I was able to plot just fine y...

1 year 前 | 1 个回答 | 0

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how to include symbol on plot line into the legend?
To make my plots clear in greyscale, I'm using symbols and I want these to appear on the legend as well as the line colour. Does...

1 year 前 | 2 个回答 | 0

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提问


Making color plots that are also clear in greyscale
Hi evryone, I have a selection of a few plots that I would like to make visible also in grey scale. Please could someone exp...

1 year 前 | 2 个回答 | 0

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Setting graph colour also visible in greyscale
Hi all, I'm trying to plot multiple datasets to one graph but instead of just using 'Colour', c(85,:), I want to make sure that ...

1 year 前 | 1 个回答 | 0

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How to make equally spaced symbols on a line plot
I have a line plot (created from an array with many many points) and I want to use symbols rather than colours to indicate the d...

1 year 前 | 1 个回答 | 0

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提问


Why are the colours in the legend different?
Can anyone see why my legend might not be appearing correctly? plot(powerpc,SR09depth100mms,'-o','color',[1 .78 .1...

2 years 前 | 1 个回答 | 0

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Same colour scale for scatter and line plots on same graph - different groups of data
I have 2 sets of data (denoted by 250 and nothing at the end of the string) My 2 problems: I'm trying to make line plots throu...

2 years 前 | 1 个回答 | 0

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Line of best fit not plotting correctly
Hi, When I use the graph app to find a line of best fit to my data, everything seems to be working fine (see attached image)....

2 years 前 | 2 个回答 | 0

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提问


Strange function fit to data points- sorting by first column vals?
Hi, does anyone have any idea why my function has such a strange shape? In the modelling app I'm not getting this. I think...

2 years 前 | 1 个回答 | 0

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how to plot shorter dataset using 'hold on'
Hi, I have a dataset and want to plot a line of best fit to the beginning of the data which is the only part where it fits. ...

2 years 前 | 1 个回答 | 0

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how to remove uncertainty from data in order to plot it
Hi, I have a dataset consisting of a array of strings with a number and uncertainty e.g."2.19479E-8 ± 2.46286E-10" I wan...

2 years 前 | 2 个回答 | 0

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measuring local slope from scatter plot data and replotting this value
Hi, I want to make a plot of Ln[dLn(c)/dLn(x)] vs Ln(x) where I have measured c at different irregularly spaced x and the c...

3 years 前 | 1 个回答 | 0

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can't find line of best fit from simple code
I can't get a line of best fit to my data using the code from the matlab polyfit page. Does anyone know what might be going wr...

3 years 前 | 1 个回答 | 0

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numerical array is being saved as string
I have a numerical array which is saved somehow as a string - when I get Matlab to return the variable, all the numbers are in s...

3 years 前 | 1 个回答 | 0

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ylim error "Array indices must be positive integers or logical values"
Hi everyone, When I try to set the y axis limits using the code below, I get an error message. Please could someone suggest w...

3 years 前 | 1 个回答 | 0

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how to change colors of lines in a plot to exist on a scale
Does anyone know how to change the colours of lines in a plot so that they exist on a scale? My current code: plot(powerp...

3 years 前 | 1 个回答 | 0

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Unexpected resul when trying to plot from array "empty double row vector"
Hi everyone, When I try to plot the following: x305a=table2array(x305); x305a(404:end,1) I recieve this >> x305a(1,404...

3 years 前 | 1 个回答 | 0

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graph format for Applied Physics Letters Journal papers
Hi, does anyone know if there is an approved format for Matlab created graphs in Applied Physics Letters journal papers or if...

3 years 前 | 1 个回答 | 0

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error message 'The end operator must be used within an array index expression.'
Hi, When I try to plot plot(H20Vs{1:end,1},H20Vs{1:end,2}) hold on plot(M20Vs{1:end,1},M20Vs{1:end,2}) hold on plot(N20...

3 years 前 | 0 个回答 | 0

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legend label for subplots
In my figure I have 6 subplots, each displaying the same set of conditions - so I only really need one legend label for all of t...

3 years 前 | 1 个回答 | 0

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Plotting swept data in 3D plot without link between sweeps
Hi everyone! I want to plot my data in 3D without a link between sweeps. This is my current code. M0dBmto15dBm_0off...

3 years 前 | 1 个回答 | 0

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How to perform the same actions on a matrix that is broken up into sections?
Hi everyone, I have a matrix where one column has values '1,1,1,.....1,2,2,2.....2,3,3,3..... etc). I want to divide the matrix...

3 years 前 | 1 个回答 | 0

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plotting data of different x values but same number of data points on the same plot
I have 2 sets of data that I want to plot on the same axis. One set of data runs from -23 to 23 and the other runs from -20 to 2...

4 years 前 | 0 个回答 | 0

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table2array gives string array when contents are numbers
Whenever I try to convert an table of numbers into an array, instead I will get a string array with all my numbers listed inside...

4 years 前 | 1 个回答 | 0

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