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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 7 years ago12 replieslatest reply 6 months ago2349 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...

Question about Hogenauer's Paper

Started by fpgaplayer 3 hours ago1 replylatest reply 13 minutes ago58 views
Before I have not read Hogenauer's paper, but when I read I am confused about the paper. Could somebody help me?The denominator of (A2),Here |z| = 1, why the second...

Digital signal processing

Started by Rick Lyons 5 days ago4 replieslatest reply 3 hours ago210 views
“Digital signal processing is a veritable ocean. Take as many soundings in it as you will, you will never know its depth.”                            ...

Trying to wrap my head around FFT and SDR...

Started by alexturner 2 days ago6 replieslatest reply 5 hours ago131 views
Hi there! First-time poster here and very new to DSP and the like, so please excuse any ignorance and falsities. Pilots use a sequence of radio key-on's within...

Sigma-delta DAC or delta-sigma DAC?

Started by jms_nh 1 week ago5 replieslatest reply 1 week ago138 views
Which is more correct: sigma-delta DAC or delta-sigma DAC?If both are valid forms and there are differences, I would like to know that too.

LEGO Block Filters

Started by Safwan 2 weeks ago12 replieslatest reply 2 weeks ago186 views
Hello All,Considering the availability of mature and and advanced linear phase FIR filter design techniques, many might look sideways at "novel claims" for filter...

#OFDM point to point specification

Started by LeonardDieguez 4 weeks ago13 replieslatest reply 2 weeks ago140 views
All,Specification location: FlexLinkPhy2023_v10.pdfOver the last several months I have gathered a few people and we have developed an OFDM specification for point...

How to calculate biquad cascade coefficient

Started by Robmar 3 weeks ago25 replieslatest reply 3 weeks ago155 views
My FFT code uses CMSIS DSP function arm_biquad_cascade_df1_f32() with coefficients set up for 12kHz, sample rate 48k, 60dB stopband, elliptic.I know the original...

How do I produce a covariance matrix from IQ samples?

Started by asterixogalues 7 months ago8 replieslatest reply 3 weeks ago246 views
Dear Colleagues,I'm working with BLE AoA Localization. My problem is: What to do exactly with IQ(in phase-quadrature signals) information from an antenna array in...

The Anatomy of a Finite Impulse Response

Started by Safwan 3 weeks ago13 replieslatest reply 3 weeks ago192 views
Hello All,As soon as my early adulthood passion for electrical engineering re-asserted itself, post-retirement, and after decades of teaching and researching physics,...

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