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Romain Liechti


Last seen: 15 giorni fa |  Attivo dal 2019

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Domanda


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...

oltre 4 anni fa | 1 risposta | 0

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risposta

Domanda


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...

quasi 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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, ...

quasi 5 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

quasi 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 5 anni fa | 0 risposte | 0

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risposte

Domanda


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...

circa 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

circa 5 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

circa 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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 ...

circa 5 anni fa | 0 risposte | 0

0

risposte

Domanda


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...

circa 5 anni fa | 0 risposte | 0

0

risposte

Domanda


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. ...

circa 5 anni fa | 1 risposta | 1

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