DSP

Anti-Aliasing filter
Hi, I have a question about anti-aliasing filters which I thought would fit in this discussion thread. I have an RC circuit and my ultimate goal is to estimate the value of the capacitor using least square estimation. In order to carry out this estimation I need to discretize the system transfer function and find ... 17 Jul 2008 12:42

Name that modulation...
Start with logic 0s and 1s. Convert them to pulses that look roughly like Gaussian bell curves each going from near-zero to maximum to near-zero in one bit time, 0s going negative, 1s going positive. Use said negative-and-positive-going pulses to frequency-modulate a carrier. What is the name of this type ... 19 Jul 2008 10:55

Pulse Shaping?
Is there any applications where one would want to use a filter with sinusoidal or linear group delay in stead of one that is constant in the pass band for pusle shaping? ... 16 Jul 2008 16:08

Newbie type "What if's"
I've been reading Lyons' Chapters 4&5 (FIR and IIR filters). Some questions crossed my mind triggered by what I read. They didn't correspond to where Rick wants to take the reader ;) 1. What "kind(s)" of filter(s) would have a strictly real valued impulse response. 2. Starting with the IIR topology of Fig 6-3... 3 Aug 2008 07:55

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Detecting faint stars
Hi I am thinking of trying to apply Higher Order Statistics ( i.e Bispectrum etc) to improve information gathering of faint stars buried in cosmic noise. Does anyone know if such techniques have been successfully employed. Can someone point me to a relevant reference. Thanks Harvey ... 16 Jul 2008 10:55

Three day VSI Conference on DSP and Embedded.
VLSI Society of India in co-ordination with CDAC Hyderabad and VNR VJIET is organising a 3 day workshop on digital signal processing and embedded systems. The workshop will be in Hyderabad (India) from 18th August to 20th August 2008. Arithos Designs (www.Arithos.com) is also participating in the workshop by pr... 16 Jul 2008 04:46

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