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Adaptive filtering, telecom applications, oversampling technics, sigma-delta modulation, matlab, speech recognition, FPGA, fax-modems, pitch detector, caller identifier, active noise control, digital cellular modem, ...
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Spectrum aliasing, in digital signal processing : a graphical explanation.
Posted by adaptyv on : 2002, Saturday, March 09 @ 16:44:31 CET (8150 reads)
Topic General articles
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What is it? Is it awkward ? Why ? How to protect oneself against it ?
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Realisation of a digital lowpass filter.
Posted by adaptyv on : 2001, Monday, October 22 @ 16:31:10 CEST (7610 reads)
Topic General articles
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We describe here the realisation of a low pass digital filter. Our filter treats only the past entries, so it is a FIR type (finite impulse response). That means that if such a filter is excited by an impulsion, the output signal always ends to zero after a limited time.
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Design and test your own signal processing application
Posted by adaptyv on : 2001, Tuesday, June 19 @ 17:59:18 CEST (11618 reads)
Topic General articles
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Design and test your own signal processing application at a moderate
prize? It is possible by using an emulator relatively inexpensive, delivered
with a free development software (and also downloadable via Internet) and
the probes, and also due to free softwares on the web allowing you to transform
your PC with its sound card into a low frequency generator, oscilloscope,
spectrum analyser and frequency counter.
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( Read More... | 15606 bytes more | ) |
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Understand digital signal processing ... using Excel.
Posted by adaptyv on : 2001, Wednesday, April 25 @ 18:32:08 CEST (10624 reads)
Topic General articles
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Signal processing processes are often based on the same scheme :
signal to be processed => processing => processed signal.
Then it is possible to simply implement this process with Excel :
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Signal processing ... practice.
Posted by adaptyv on : 2001, Sunday, April 01 @ 21:36:22 CEST (18359 reads)
Topic General articles
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It's used in a lot of sectors, and in the aim to have a more precise overview, you will find here after a selection of different products announced in March 2001 ...
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DSP markets and example applications.
Posted by adaptyv on : 2001, Friday, March 23 @ 20:29:17 CET (10356 reads)
Topic General articles
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Signal processing is a fast growing up area : radiotelephone (GSM, GPRS, EDGE,
UMTS,...), multimedia applications, instrumentation, medical, etc... As the
processing capabilities of DSPs have increased and the prices have decreased,
DSPs are being used in more and more applications. The list hereafter is not
exhaustive, and give an overview of signal processing functions and applications
used in different main sectors.
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( Read More... | 3923 bytes more | ) |
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