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Comp.dsp is a worldwide Usenet news group that is used to discuss various aspects of digital signal processing.
There are 16912 threads in our archives.
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interpolator [31 articles]
mishrask - 2012-04-06 00:05:00
Hi ,
I was reading a document describing a sample rate converter .It can
do a interpolation by a factor 64x(max)...and says that "it can generate up
to 64 interpolated phases between input samp...
My convolution using FFT now works. [11 articles]
Les Cargill - 2012-04-03 18:44:00
Yay! It may not seem that you helped, but you guys did.
Octave helped, too. Nice to have a known-good implementation to compare to.
Multiplication, as it turns out, is multiplication.
--
L...how to make an amplifier [3 articles]
glen herrmannsfeldt - 2012-04-03 12:41:00
http://www.ehow.com/how_6562564_make-tv-antenna-amplifier.html
How to build an amplifier from a magnet and coat hanger.
-- glen
...Energy estimation from accelerometer [4 articles]
kmlee - 2012-04-03 12:36:00
Hi to all
I have a question on estimating the energy from a triaxial accelerometer
(TA). I have discussed this with a colleague and there can be two
approaches.
i) get the vector resultant of th...Polynomial Codes, where is my mistake? [24 articles]
Tim Wescott - 2012-04-03 09:53:00
So, I needed to generate a bunch of different length sequences, and
thought that the easiest way would be to use a code in an LFSR.
I couldn't find any handy tables of polynomials (I know they're...Sub-sequence indices for computing FFT cross-correlation between two long sequences [7 articles]
Nicholas Kinar - 2012-04-02 20:03:00
Hello,
I need to compute the cross-correlation between two signals x[n] and
y[n]. For example, signal x[n] has a length of 3441534 and signal y[n]
has a length of 3441528. I only need the cro...Processing Delay through a multi-rate filter [5 articles]
sachinwannabe - 2012-04-01 10:41:00
Hi,
I am trying to understand the delay through a multi-rate filter. Consider a
hypothetical decimate-by-10 filter with 11 real and symmetric taps. I would
think that the processing delay for such ...How many Fourier Coefficents are Needed to Synthesize a signal? [19 articles]
westocl - 2012-03-28 06:32:00
I was looking an algorithm to calculate fourier coefficents and update them
at every new input sample, the Sliding Goertzel algorithm. This one seems
to give both an estimate of the amplitude AND ...IEEE 802.11a OFDM symbol problem [4 articles]
takechi - 2012-03-27 02:30:00
Hi,
I'm trying to implement physical layer of IEEE's 802.11a WLAN standard
(http://standards.ieee.org/getieee802/download/802.11a-1999.pdf). Currently
I'm getting everything corresponding to standa...Discrete high-pass Butterworth filter design rules [13 articles]
marcin123 - 2012-03-26 03:58:00
Some time ago I've programmed a 2'nd order Butterworth High-Pass filter
using the tool: http://www-users.cs.york.ac.uk/~fisher/mkfilter/trad.html.
I noticed it always generated filters which transfer ...