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Question
Converting high order transfer functions model to discrete
I'm trying to convert a continuous model of order 14 with Matlab, but the function c2d is not giving correct results. My model c...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
Cell array for legend in a plot loop
I've built a function to plot a structure of idfrd, that use the fieldnames of the structure as legend for the curves. Everythin...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
Non coherent results when multiplying discrete biquad filters
I'm struggling with biquad filters multiplication. I have filter that is composed of 7 simple filters (Shelves, peak, low pass, ...
plus de 6 ans il y a | 1 réponse | 0
0
réponseQuestion
Operation on structure fields with common part of the field name
Hi, I have succesfully imported several mat files into a structure with fields names beginning either by "DUT" or "REF". Now I n...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
How to fit a set of serie biquadratic filters to a transfer function
I need to fit a transfer function model to a set of 7 series filter of know form. These filters are of the classic form : LowPas...
plus de 6 ans il y a | 1 réponse | 0
0
réponseQuestion
Phase shift between data and identified model using tfest
Hi, I'm struggling with the tfest function for model estimation. I'm usinf tfest to get a precise model from frequency data. Whe...
plus de 6 ans il y a | 1 réponse | 0
1
réponseQuestion
Adjust the phase offset when using data from 'bode'
I'm trying to look at the phase and gain margin of an openloop system. Due to presentation/publications, I had to designa functi...
plus de 6 ans il y a | 2 réponses | 0
2
réponsesQuestion
Using String user input for dynamic number of legend in plot function
Hi, I'm trying to use the user input from input as a legend for graph in a plot function. I would like my function to use the st...
presque 7 ans il y a | 1 réponse | 0
1
réponseQuestion
Transfer Function Identification giving negative static value
I'm trying to fit a complex system with the identification toolbox of matlab. The fit is great for the frequency and phase if I ...
presque 7 ans il y a | 1 réponse | 0
0
réponseQuestion
Comparing the IR computed with ifft and with impulse
I'm trying to compare the impulse response calculated by the function "impulse" in matlab with a model computed from frequency a...
presque 7 ans il y a | 1 réponse | 0
0
réponseQuestion
Instability of identified model in time domain with the step function
I'm trying to fit the frequency response of a system, with a high order model. I need good precision in a wide frequency range. ...
presque 7 ans il y a | 1 réponse | 1
