DSP

FFT on dsPIC33F
On May 3, 5:13 pm, "charlyb" <c...(a)eca.co.za> wrote: Hi, Can anyone help with this ? :- I am using the fft function on the dsPIC from the Microchip library. When I do a fft I get a non linear result. The dsPIC function claims the result will be 1/N where N=fft size. When I do a 512 fft wit... 7 May 2008 09:20

The output of the recursive filter comes in disorder
Greetings to everything, I ask to forgive me for my bad English. I from Ukraine Question at me such. In chapter 19 EQUATION 19-7 Band-pass filter shows calculation of factors. a0 = 1-k a1 = 2 (k-r) cos (2*pi*f) a2=R^2-k b1=2*R*cos (2*pi*f) b2 =-R^2 k = (1-2*R*cos (2*pi*f) +R^2) / (2-2*cos (2*pi*f)) R=1... 7 May 2008 08:31

MMSE channel estimation in DVB-H ofdm
Hi all!! I am performing LS & MMSE channel estimation in an OFDM system with the DVB-H parameters, where the pilots are not equally spaced as the case with WIMAX. I am facing a severe problem as the BER of both MMSE and LS are identical. I am sure that the LS is correct and that the problem is with MMSE. I've tried eve... 7 May 2008 07:28

Call for Papers: International Conference on Computer Science and Applications ICCSA 2008
Call for Papers: International Conference on Computer Science and Applications ICCSA 2008 From: International Association of Engineers (IAENG) San Francisco, USA, 22-24 October, 2008 http://www.iaeng.org/WCECS2008/ICCSA2008.html The conference ICCSA'08 is held under the World Congress on Engineering 2008. The W... 7 May 2008 07:28

Calls for Papers: International Conference on Communications Systems and Technologies (ICCST 2008)
Calls for Papers: International Conference on Communications Systems and Technologies (ICCST 2008) From: International Association of Engineers (IAENG) San Francisco, USA, 22-24 October, 2008 http://www.iaeng.org/WCECS2008/ICCST2008.html The conference ICCST'08 is held under the World Congress on Engineering 20... 7 May 2008 07:28

points of inflexion
Given a preriodic waveform how can one find points of inflexion. ... 7 May 2008 05:05

Stupid woman, Stupid woman!
On May 6, 11:41 pm, robert bristow-johnson <r...(a)audioimagination.com> wrote: she had the opportunity to be gracious and historical tonight. she could have chided Obama about "Indiana [as] the tie-breaker". and then she could have conceded the inevitiable. and tonight she could have made a historical ... 7 May 2008 13:24

Convolution
On May 7, 5:56 am, PB0711 <hpben...(a)gmail.com> wrote: Dear All, I'm not sure if this is the right place for this, so if not sorry. I have 2 matrixes (2x7) and i want to do convolution on them. When I do the foureir transformation and then multiply them and finally do the inverse fft I get a mat... 7 May 2008 01:08

IFFT of custom frequency array - confusion with the time domain sampling frequency
Matt, Answers interspersed below at "***" Fred <mattwankling-google(a)yahoo.co.uk> wrote in message news:bca9bcba-2366-42f9-8464-90e97e356e13(a)k13g2000hse.googlegroups.com... Matt, The time span is the reciprocal of the frequency resolution. So it would be the reciprocal of 0.2Hz or 5 seconds... 6 May 2008 23:25

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