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Martin Ryba


BAE Systems

Last seen: 26 jours il y a Actif depuis 2021

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Professional Interests: GPS

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Interpolating Phased Array Toolbox patterns
I have an antenna modeled in Phased Array Toolbox, and after updating its steering I'm using the pattern() function to store the...

27 jours il y a | 1 réponse | 0

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réponse

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Open Simulink DMR file from prior session
Hello, I was running a long simulation (24+ hours), and of course we had a power shutdown and things went boop. Is there any way...

7 mois il y a | 1 réponse | 0

1

réponse

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Multiple Simulink runs only changing signal vector
I'm much more practiced at MATLAB than Simulink, but this problem has stumped me on a few models. I do signal processing and am ...

8 mois il y a | 2 réponses | 0

2

réponses

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Function for sanitizing field name strings
We have a file parser function (Midas BLUE) that generates structure arrays for some of the keyword/value pairs that can occur. ...

9 mois il y a | 1 réponse | 0

1

réponse

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Simulink HDL Coder equivalent to attribute synthesis off?
I have a DSP-heavy block that I've created targeting a Xilinx FPGA core. Embedded within a submodule are some debug/visualizatio...

11 mois il y a | 1 réponse | 0

1

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dsp.FIRRateConverter doesn't handle large ratios?
I have some long data vectors that need to be resampled at a (precise) ratio of 576/625 (going from 8.3333 Msps to 7.68 Msps). T...

12 mois il y a | 1 réponse | 0

1

réponse

Question


Template function for invoking System Object MATLAB Coder
I'd like to make a C++ library object pretty much straight from an existing DSP System Toolbox object (specifically dsp.FIRDecim...

environ un an il y a | 1 réponse | 0

1

réponse

Question


Nonstandard input date format into readstruct function?
I have some XML files from another system and I want to be able to process the data therein. The readstruct function mostly fits...

plus d'un an il y a | 2 réponses | 0

2

réponses

Question


Parameter covariance from lsqnonlin when using Jacobian Multiply function?
Hi, I'm trying to estimate the uncertainty in my model parameters for a large NLSQ problem (~2M measurements, ~10k unknowns), so...

plus d'un an il y a | 3 réponses | 1

3

réponses

Question


Why isn't angle2dcm compatible with codegen?
Was working up some beamforming code for code generation, and my initial stab at using angle2dcm for creating the DCMs (for rota...

presque 2 ans il y a | 1 réponse | 0

1

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Réponse apportée
imagesc or equivalent with datetime as x axis.
See the wonderful dynamicDateTicks function. I just tried it and it's marvelous!

presque 2 ans il y a | 0

Réponse apportée
How do you make the x-axis in imagesc using datetime values?
See the wonderful dynamicDateTicks function. Just tried it and it is marvelous!

presque 2 ans il y a | 0

Question


Move from parfor to parfeval?
I have a large simulation that uses a LSF cluster that supports Parallel Toolbox. Right now, the meat of the effort is in a parf...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Question


Fastest large SVD computation in multithreaded machine?
I have a waveform optimization problem that uses a large SVD in an interative loop. For instance, with my current settings, the ...

plus de 2 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Parfor with Iterations Having Unequal Execution Times
Hi I've noticed similar behavior all the way to r2020a. I have a big parfor loop where the execution time of each step is on the...

environ 3 ans il y a | 0