Stefan

Actif depuis 2013

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Stefan

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Improving the peak detection
Hello, I am using the peakfinder from <http://www.mathworks.se/matlabcentral/fileexchange/25500-peakfinder peakfinder> from f...

plus de 11 ans il y a | 1 réponse | 0

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Question

Discarding a value from a set of values
Hello, I am trying to get time difference between the consecutive peaks found in a every 1 second in a signal.But sometimes s...

plus de 11 ans il y a | 1 réponse | 0

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Question

To know the type(IIR or FIR) of Bandpass filter available on file exhchnage
Hello, Can someone help me in knowing the type of filter available <http://www.mathworks.com/matlabcentral/fileexchange/38584...

plus de 11 ans il y a | 1 réponse | 0

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réponse

Question

Difference in the output of butterworth and chebyshev fitlers
Hello, I have used two filters for the atatched signal data 1)butterworth from <http://www.mathworks.com/matlabcentral/fileex...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question

Error with freqz plot
Hello, I am trying to see the frequency plot of the filter but it is showing error as _The Numerator and denominator of the...

plus de 11 ans il y a | 1 réponse | 1

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réponse

Question

Need help in understanding the bandstop filter output
Hello, I want to fitler the frequency components coefficients of particualr range in a signal for which I have used the bands...

plus de 11 ans il y a | 2 réponses | 0

2

réponses

Question

setting coefficients of particular frequency components to zero
Hello, How to set the set the coefficients of particular frequency components to zero of a signal(for example coeffcients of ...

plus de 11 ans il y a | 1 réponse | 0

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réponse

Question

How to install DSP toolbox on existing MATLABversion7(R2008b)
Hello, I currently using MATLAB7(R2008b) which is having signal processign toolbox but not the DSP toolbox. Can someone expl...

plus de 11 ans il y a | 1 réponse | 0

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Question

Error when trying to use dsp.LMfilter
Hello, I searched in this forum for adptive filtering which resulted in many related threads but thought to start with exampl...

plus de 11 ans il y a | 1 réponse | 0

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Question

Root mean square calculations
Hello, I want to calculate the sqaure root of the mean sqaured differences of succesisve numbers. Can anyone explain of how ...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question

Need an example for calculating power spectrum density
Hello, I want to plot a Power Spectrum Density(having units s^2/Hz)plot against frequency(Hz) as shown in this link <http://w...

plus de 11 ans il y a | 2 réponses | 0

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Réponse apportée
Filter response if only first half of filter coefficients are used
Hello, can someone give some explanation about the above(of how the filter response looks like).

presque 12 ans il y a | 0

Question

Filter response if only first half of filter coefficients are used
Hello, Can someone explain how the filter response will be if only the first half of the generated filter coefficients are us...

presque 12 ans il y a | 1 réponse | 0

1

réponse

Question

Designing bandpass filter and to save the filter coefficients
Hi, Can somoene please suggest a good way of designing a bandpass filter of order 11(to get 12 fitler coefficeints) with samp...

presque 12 ans il y a | 1 réponse | 0

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réponse

Réponse apportée
How to view the filter coefficients from thebandpass fitler desinged
Hi, Can you please suggest a good way of designing a bandpass filter of order 11(to get 12 fitler coefficeints) with sampling...

presque 12 ans il y a | 0

Question

what can be understood from the magnitude response plot of a fitler
Hello, I am not familiar with the filters so want to know of what can be understood or analysed from the maginitude response ...

presque 12 ans il y a | 1 réponse | 0

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Question

Finding the transfer function of a filter
Hello, Can I know how to find or calculate the transfer function of this lowpass filter Hd = fdesign.lowpass('N,Fc',20,...

presque 12 ans il y a | 1 réponse | 0

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réponse

Question

How to view the filter coefficients from thebandpass fitler desinged
Hello, I designed a bandpass filter as below d = fdesign.bandpass('N,F3dB1,F3dB2',40,500,1500,6000); Hd = design(d,'b...

presque 12 ans il y a | 3 réponses | 0

3

réponses

Question

Manual implementation of filter function without using inbuilt filter function
Hello, I read that the FIR filter is basically a convolution of impulse response of system with input signal. Or simply it...

presque 12 ans il y a | 1 réponse | 0

1

réponse

Question

How to set a title with uicontrol
Hi, I am using uicontrol to create a box and to display some value say 5 in the box box = uicontrol('Style', 'text','Unit...

presque 12 ans il y a | 1 réponse | 0

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réponse

Question

how to get filter coefficients after designing filter in FDA tool
Hello, I have designed a bandpass filter as suggested <http://www.mathworks.se/matlabcentral/answers/108691-bandpass-filter-wit...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question

Need some improvement in the plotting values
Hello, I made this for i=1:500:4500 if (i<3900) k1=a(i:i+499,1); fignum = figure('Units'...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question

Bandpass filter with FDA tool
Hello, Can I know how to design a bandpass filter with range of 0.5 to 3Hz and needed gain is 80 (if possible 100) which will...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question

suggestions for highpass filter design in Matlab
Hello, I want to implement a digital highpass filter in Matlab which should do the same job as simple analog filter(a RC filt...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question

Manual median filter design
Hello, I want to implement a simple median filter of window size '5' manually.I found a thread here <http://www.mathworks.c...

environ 12 ans il y a | 2 réponses | 0

2

réponses

Question

Designing a lowpass filter in matlab
Hello, I want to implement the analog LP filter having a cutoff frequency of 2.4Hz and gain of 101 as shown <http://img42.ima...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question

reading with serial port in matlab
Hello, I want to start the serial comport communication so as to read the continuous incoming data from serial comport which wi...

environ 12 ans il y a | 1 réponse | 1

1

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Question

simple matlab GUI to display the plot and a count value
Hello, I am working with reading the values form serial comport and I want to display the plot generated from the values fro ...

environ 12 ans il y a | 1 réponse | 0

1

réponse