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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 9 years ago19 replieslatest reply 1 year ago3522 views
It's been a few months since the launch of the new forums.  Here are a few thoughts. The thumbsup and beer buttons    If there is one thing that could have a...

Make a bandreject filter by frequency shifting a highpass filter?

Started by Gsparky2004 1 week ago16 replieslatest reply 1 week ago143 views
I'm reading this document from Analog Devices and it states that, when creating a band reject filter, its possible to first create a lowpass filter, convert that...

Joint Research in Base Band Signal Processing

Started by Mannai_Murali 5 years ago4 replieslatest reply 1 month ago266 views
With in a month I will start doing research on Signal Processing related to Receiver Design (Mainly related to one or more of Synchronization (Frequenbcy Offset/Sampling...

An Open-Source Fixed-Point (fxp) Class for GNU Octave

Started by ahmedshahein 2 months ago7 replieslatest reply 2 months ago243 views
Hello all, I would like to share an open-source fixed-point arithmetic class (fxp) for GNU Octave that I have been developing with a strong focus on DSP-oriented...

Confused about the noble identity?

Started by TomV 3 months ago6 replieslatest reply 2 months ago250 views
I'm studying polyphase filtering and decimation and one of the things that gets mentioned occasionally are the noble identities. They are rendered here in figure...

Evaluating and Improving Filtering for 3rd order Incremental Sigma-Delta Modulator

Started by anmux 4 months ago4 replieslatest reply 4 months ago190 views
Hi all,I’m fairly new to DSP and trying to evaluate whether the current filtering solution on our ASIC could be improved. Here’s the setup: Modulator: 3rd-order...

Butterworth band-reject filter

Started by jekain314 4 months ago2 replieslatest reply 4 months ago216 views
The BW bandreject filter Hbr(s) is derived from a lowpass filter Hlp(s)   through the transform Hbr(s) = Hlp( B s / (s^2 + w0^2) )  resulting in a 4th order...

FFT Interpolation

Started by MrColly 7 years ago28 replieslatest reply 5 months ago2060 views
I am having difficulties accepting the validity of FFT interpolation / time domain zero padding. When a section of time data of length T is selected from which...

Aural Exciter like effect

Started by Vinzz 5 months ago158 views
Hi guys,I recently heard something that sounds like an aural exciter but it sounds different compared to for example the Aphex HF exciter. If you listen to this...

Ready To Help Anybody in Baseband wireless Signal Processing(Free)

Started by Mannai_Murali 5 years ago1 replylatest reply 7 months ago247 views
Hi,I can help anybody in Baseband Digital Signal Processing by providing some ideas if anyone needs.I will not charge anything.I can help in design and debugging...

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