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resolution of the phase information from the fft

Started by jrive87 9 months ago11 replieslatest reply 8 months ago438 views
I understand that the frequency resolution for an N point fft sampled at Fs is Fs/N.  However, I'm confused regarding the phase information. For instance, if I...

DSP Processing on ARM Cortex M (FREE BOOK)

Started by dcomer 8 months ago4 replieslatest reply 8 months ago288 views
I received an email from ARM this morning, and the critical link (for me) was to a free download of "Digitial Signal Processing  using ARM Cortex-M based Microcontrollers."...

Down-sample Spectrogram (Waterfall) by two different factors

Started by msousa 9 months ago1 replylatest reply 9 months ago149 views
HiI want to down-sample a Spectrogram (Waterfall) image, time on 'y' axis and frequency on 'x' axis. What I would like is to do is down-sample the image when it...

Data overflow in fixed point DC removal filter, Richard Lyons Fig 13.65(b)

Started by swirhun 6 years ago28 replieslatest reply 9 months ago480 views
I'm reading the 3rd edition of Richard Lyons' excellent book and am a bit confused by the DC-removal filter in Figure 13-65(b). If the input to the quantizer Q...

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

Started by alexturner 10 months ago8 replieslatest reply 9 months ago272 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...

RF loss during lighting strike

Started by transient 10 months ago2 replieslatest reply 10 months ago146 views
Not really DSP, but I thought that some of the HAM guys on this forum may have seen this before.Have you every noticed when lighting strikes it causes the RF signal...

Question about Hogenauer's Paper

Started by fpgaplayer 10 months ago4 replieslatest reply 10 months ago317 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 10 months ago4 replieslatest reply 10 months ago320 views
“Digital signal processing is a veritable ocean. Take as many soundings in it as you will, you will never know its depth.”                            ...

Sigma-delta DAC or delta-sigma DAC?

Started by jms_nh 11 months ago5 replieslatest reply 11 months ago416 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 11 months ago12 replieslatest reply 11 months ago289 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...

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