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Periodic and aperiodic autocorrelation
Hello ! I'm starting experiments with compressed pulse radar and I have to choose the best signal to transmit - low autocorrelation sidelobes, good ambiguity function etc. . But there is one thing I can't understand - why there are so many publications and researches about sequences with good periodic autocorrelatio... 14 Jun 2010 11:44
Buffer management for Overlap Add method of block convolution
I have an audio stream which arrives in blocks of length FRAMES. The processing function must return another block of length FRAMES as the output. I have implemented an overlap add algorithm of block convolution to convolve a simple FIR filter of length M taps, zero padded to length N=L+M-1 where L is the size of t... 14 Jun 2010 08:24
Run ezdspR2812 board using matlab/simulink. Please help.
Anybody have experiences in programming ezdspR2812 with matlab/simulink? I cannot run my simulink model on the dspR2812 board. Below message pop when I tried to do that : --------- Error building Real-Time Workshop target for block diagram 'c2812pwmtest'. MATLAB error message: Error using ==> RTW.makertw.callMakeHoo... 15 Jun 2010 10:53
Periodogram analysis
Hi, I'm writing a program, in awk, for doing periodogram analysis of time series. The Fourier coefficients are calculated according to: a[k] += (2/n) * y[t] * cos(f) b[k] += (2/n) * y[t] * sin(f) with f= (2*pi)*k*t/n n = number of samples (odd number) k = (n-1)/2 an thus the periodogram is giv... 14 Jun 2010 08:24
Bandpass FIR filter
Hello. I will design a lowpass, bandpass, highpass FIR filter (configurable) in a FPGA used for an audio application. My plan is to design a FIR filter and an allpass filter in cascade. Will that work and if it does, is there any better options? Thanks, ... 14 Jun 2010 16:13
The Old "What's All This BLANK Stuff, Anyhow" Series by Bob Pease
Does anyone remember these? I used to love reading these, apparently in Electronic Products, way back when. I find one on the web just tonight and thought I'd share it in case anyone had similar warm feelings for these old chestnuts from Bob. http://www.national.com/rap/Story/0,1562,18,00.html -- Randy Yates ... 15 Jun 2010 13:08
Anticausal filter implementation
Dear All, I have a following question: how does one implement anticausal filter with backward filtering (or any other means)? I understand that x(n) with a transform X(z) when flipped gives flip(x(n)) the transform X(z^-1). According to this I can peform following flip(x(n)) and filter with the filter H(z) and t... 15 Jun 2010 19:50
DPLL jitter
Hi all. We are using a DPLL synthesized in an FPGA as a tracking bandpass filter. The PLL design is based on some older IEEE papers (late 70's) and uses a binary phase detector and a sequential loop filter (a "Variable Reset Random Walk Filter" or "VR-RMF" in dsp jargon), essentially we reimplemented this open c... 15 Jun 2010 20:55
2010 FIFA World Cup Manchester United Football Club football jersey
2010 FIFA World Cup Manchester United Football Club football jersey http://picasaweb.google.ca/113858744773724803250 2010 FIFA World Cup Manchester United Football Club football jersey http://picasaweb.google.ca/113858744773724803250 2010 FIFA World Cup Manchester United Football Club football jersey http://... 12 Jun 2010 23:40
2010 FIFA World Cup Brazil football jersey
2010 FIFA World Cup Manchester United Football Club football jersey http://picasaweb.google.ca/113858744773724803250 2010 FIFA World Cup Manchester United Football Club football jersey http://picasaweb.google.ca/113858744773724803250 2010 FIFA World Cup Manchester United Football Club football jersey http://... 12 Jun 2010 23:40
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