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19 Threads found on edaboard.com: Gaussian Filter Matlab
Need help with iterative wiener filter code from gaussian noise addition to performing the iterations
hello..I have a problem. I want to know how to design a pulse shaping FIR filter in matlab when the input to this filter is gaussian pulse. Could you help me please? In my case the output of this pulse shaping filter should be 5th order derivative gaussian pulse. Thanks. waiting for the reply.
hello..I have a problem. I want to know how to design a pulse shaping FIR filter in matlab when the input to this filter is gaussian pulse. Could you help me please? In my case the output of this pulse shaping filter should be 5th order derivative gaussian pulse. Thanks. waiting for the reply.
i have formulated the code for the above..but i would like to add gaussian noise to the system.,..can anyone explain how a statistical gaussian noise is generated in matlab.....i think the in-built functions such as randn, wgn, awgn etc are used for generating random not much clear about this..please help me to solve this issue.... Than
i want to do channel estimation using kalman filter. this is the matlab code i formulated using the equations. the noise added is gaussian. but the problem is that i am getting a constant error instead of error getting reduced with the number of iterations. can anyone please help me to find the correction needed in this... its urgent..if (...)
In matlab I had seen the sampled response of gaussian filter.But I want that response in quantized form like in digital In which way I can see or get response in form of 0 - 1. Is there any converter then please tell me the link or name of converter or is it possible in matlab? Thanks
For image filtering, after using gaussian or median filter with large numbers, the outside line of the image will become black, y will it happen??
Gabor filters are defined by harmonic functions modulated by a gaussian distribution. As an example, in two dimensions and using a polar coordinate system with coordinates and : Gabor filters bear some similarity to Fourier filters, but (by the gaussian damping terms) are limited to certain frequency bands (...)
GMSK Tx is very simple. The first stage is conversion of binary digits to bipolar levels and then apply the gaussian filter of suitable BT (=0.3 for GSM) and then integrate and find cos and sin yielding I and Q components of GMSK respectively. This is the complete Tx! You may use gaussfir (), filter(), cos() and sin() functions in (...)
Hi i am trying to filter a data set in matrix format using gaussian filter.i take the fourier transform of the data and then multiply with gaussian filter and take the inverse fourier transform of that. Now here is the function i have written(matlab) for gaussian (...)
Hello everyone, Thanks in advance for your kindly help. I'm to use a bandpass filter (preferably gaussian window filter with 2.4 MHz and 5 MHz cutoff freq.s) to filter out my discrete samples array (8017 samples, sampling rate= 100 MHz), and then obtain the output in C language. Using matlab fdatool, (...)
Hi, I want to generate a slowly changing signal (1 second duruation). For this, I must filter white noise with a filter which is characterized by an alpha function as below alpha(t)= t*exp(-t/tau) ( I think function is low-pass filter response) where tau=3 ms. I couldnt achive this in matlab. Can anyone (...)
Bluetooth defines the GFSK with BT=0.5, so I design a Gauss filter with: matlab: h = gaussfir(0.5, 1, 8) And Bluetooth also defines that deviation of pattern 0101 must be not less than 80% of deviation of 00001111, so I simulate it with: matlab: sym0 = ; sym1 = ; matlab: gout0 = (...)
in general cases Find the noise variance or estimate it use the "fspecial" to design u r quick gaussian filter might work easily ..but it depends of the noise distribution... If u want a real good answer....u r questions must be very specific
To generate a Rayleigh fading channel model, you first generate real and image part of the independent gaussian process, then you need design a filter to have the spretrum similar to Jakes model, i.e, to have the Bessel function as the auto-correlation. Passing through the I, Q gaussian process to this filter, you oculd get (...)
Hello, all. Now i am doing palmprint recognition....But i face some problem. The problem is i don't know how to apply sobel edge detection and gaussian to extract the line from the palm image....i try to refer some papers and books...and found that the sobel is need to find in 0, 45, 90 and 135.....But i don't know how to apply it in my source
hi, if u know how to implement the MSK, then just add a gaussian filter at the o/p of the Tx. regards, a.safwat
encode the signal the modualtion at the rec
Please help me filter the bit bipolar sequence thru a gaussian filter the one used in gmsk modulators with a given impulse response


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