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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...

OFDM Pilot Detection

Started by KanaBaba 1 year ago7 replieslatest reply 1 year ago119 views
I have captured OFDM I-Q data at IF. I have down-converted to it to baseband and then simply performed autocorrleation. Based on autocorrelation-based techniques...

Constructing vector for IFFT

Started by toddwelti 1 year ago23 replieslatest reply 1 year ago278 views
I have some frequency domain data and I want to try to construct the proper vector for IFFT'ing to get an impulse response.  In the current case, I have a starting...

Creating your own dev board

Started by krk989 1 year ago8 replieslatest reply 1 year ago148 views
Hi everyone. I am an EE major working on my senior project and hope the experts here can lend some advice. My project entails the creation of a harmony effects...

DC Motor control system sampling rate

Started by johnpote 1 year ago4 replieslatest reply 1 year ago230 views
Hi all,I have a small permenant magnet DC motor to control with a small microcontroller. A quick measurement indicated it seems to have a 1st order response - that...

MathJax/Latex question

Started by ChuckMcM 2 years ago7 replieslatest reply 1 year ago129 views
Hi All,If this isn't the right place for this I apologize, I've tried a couple of other forums as well and I'm striking out.I'm trying to write Hoagenaur's equations...

split Hilberts

Started by jasontje32 1 year ago7 replieslatest reply 1 year ago146 views
I'm trying to get my arms around tradeoffs related to Hilbert filters in IQ SDR radio. It seems that split 45 deg filters can be inherently matched for performance...

Anything like a “shift delay”?

Started by tomtomdsp 1 year ago3 replieslatest reply 1 year ago141 views
We know that if the input signal is described by x(t) = a(t) cos(wt),then the output is y(t) = |H(jw)|a(t-groupdelay)cos(w(t-phasedelay))Now, what about if the input...

short time subband coding

Started by niloofar_omidi 1 year ago5 replieslatest reply 1 year ago85 views
Hello, I am implementing a subband ADPCM codec, Fs=16 kHz, frame length 3ms, band1=50Hz-2kHz, band2= 2kHz-8kHz. I used the FIR filter for subband coding and %50...

LTE PTCRB/OTA testing

Started by sergs 1 year ago115 views
Our company is going to produce and sell LTE based devices in the US, so we have to pass a PTCRB/OTA testing to being allowed to work with American mobile operators....

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