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119 Threads found on edaboard.com: Matlab Pass Filter
Please find my attempt to manually calculate the dft of the Hann function. I have built a model in matlab - Simulink in order to verify the results and included them in the attachment. As you can see the is a substantial difference ? Apparently the amplitude at zero frequency/dc should be 1v, 1w, 0dB or 30dBw. I cannot understand this as t
A butterworth filter has a monotonous frequency response, no passband ripple at all. It's usually chosen directly according to it's stopband slope, e.g. 2nd order has 12 dB/octave or 3rd order 18 dB/otacve. What is chosen directly? Stopband attenuation? And actually I wanted to design this filter using matlab.. N ther
hi my specifications are passband frequencies are 200 and 315 for a band pass filter i have to design a filter bank with a range of frequencies. this is first frequency band i have to design a fir filter bank form 200 to 7500 hz. my sampling frequency should be more than 15000 i took it as 16000. the (...)
hi, anyone can explain me what is the function of lp2lp command in roughly i know it's a filter command. thanks in advanced.
Sampling frequency should be as low as possible to allow handy filter order, but must at least fulfill the Nyquist criterion for the input signal. You can play around with the matlab filter tool to get a feeling of meaningful filter parameters. I find IIR filters more effective for my range of applications.
My project is: "Reading out a voice file and filter the voice signal with 5.5kHz bandwidth, 4 kHz and 3.2 kHz. (Self design digital filters with sampling rates to accurately perform this work). Listening to a voice file after filtering and describe the influence of the low-pass filter for quality and (...)
Dear Sir, I am doing thesis in optimization of low pass filter using particle swarm optimization. Desigining and optimization is done in matlab. I have write the matlab code for the simple designing of low pass filter that is available in the attachment. In the 4-5 line of (...)
What's seems to be the problem. If you find difficult to design LP using matlab comments, maybe try using fdatool in matlab.
Hi I am new to matlab and just started learning the thing. how to design 3x3 loww pass filter with custom coefficient ? and how to apply that filter on image ?
-I have design a chebyshev filter.With The following specification. pass band 0-2khz pass band ripple=0.5dB sampling frequency 60khz and the transfer function given which is : H(s)=1.5161/(s^2+1.4526s+1.5161) -When I have done the design by hand I done I got (bi-linear ) H(z)=(0.0143+0.029z^-1+0.0143z^-2)/(1-1.682z^-1+0.8695z^-2) (...)
You can refer to Richard Schrier's book and his matlab toolbox.
My filter tool says it can be implemented as 13th order Chebyshev I or 7th order Elliptic filter. The question suggests that you are wanted to use matlab to solv ethe exercise problem, "designing" the filter in matlab is just a function call if I remember right.
Can anyone help me with this? I need to design a linear-phase FIR filter that compensates for the ?sinx/x? effect with a peak approximation error of -40 dB on the frequency band of radian.
I have one problem. I have a data vector. for example : data=rand(1,n) ; n=100; I want to obtain discrete fourier transform of it by DCT command. and then,by a low-pass filter,remove unwanted high frequencies of larger than f1. f1 is determined. and finally , again convert filtered data from discrete frequency domain to data vector (that is
I have one problem. I have a data vector. for example : data=rand(1,n) ; n=100; I want to obtain discrete fourier transform of it by DCT command. and then,by a low-pass filter,remove unwanted high frequencies of larger than f1. f1 is determined. and finally , again convert filtered data from discrete frequency domain to data vector (...)
the attached text file has matlab code
Hi all, I am designing a interpolated fir filter. I have designed FIR filter using the coefficients that I got from matlab. But how to design a 2 stage interpolated fir filter with pass-band gain of 6.02 db. I read many IFIR filters which uses linear interpolation/b spline (...)
I have raw digitized data in matlab. How would I apply a 2nd order boxcar filter with a width of 10. Lets say the cutoff frequency is 50Mhz. Thanks for your input.
Hello Everyone I designed a FIR Low pass filter (Decimation filter) for Delta Sigma modulator in matlab, After decimation filter the output is in the range of 0.5 to -0.5 (input to adc is sine wave, and calculated ENOB~11). I got confused because to my understanding if ENOB are let suppose 8 then your (...)
Hello, I am triying to simulate fir low pass filter in vhdl test bench, I get square waves from matlab as txt document, and I use ip cores for filter which I produced in matlab in fdatool. I am using text-io in the testbech. I have two questions 1-Square wave is 100Hz but in txt there are only -1s and (...)