Why low number of subcarriers is needed for high path loss scenarios​ ?

Started by cogwsn 4 months ago9 replieslatest reply 2 months ago85 views
In one of the papers related to 5G numerology, I read this statement: "Low number of subcarriers is needed for high path loss scenarios because higher number of...

The size of an FIR filter for PDM-PCM conversion

Started by caduk84 2 months ago14 replieslatest reply 2 months ago120 views
I have been trying to understand how the conversion from PDM to PCM happens so that I could interface with a microphone. I have been doing some research online and...

Blackman Window FIR Filter Coefficients

Started by gaurav_lohiya 2 months ago8 replieslatest reply 2 months ago113 views
I am trying to design the Blackman Window based FIR Low Pass Filter (as described in for the IQ signal having sampling rate of...

DSP chip ??

Started by phil123456 3 months ago27 replieslatest reply 2 months ago170 views
Hello,I struggle to find a hand solderable (soic ? msop ?) DSP programmable chipI tried a teensy and a raspberry pi to DSP some simple audio to make audio effects...

Problem with natural logarithmic function in fixed point notation

Started by chaitanya02 2 months ago17 replieslatest reply 2 months ago129 views
I am facing a problem with natural logarithmic function in fixed-point notation. Let's say x = 0.54, then ln(x) = -0.616186, a negative value => (1)Then in...

High Frequency Linear Array BeamForming

Started by naumankalia 2 months ago2 replieslatest reply 2 months ago99 views
Hi all I am doing some research on High Frequency Linear Array beam forming (for imaging sonar).For that purpose, a linear Rx Array of 100 channels have been constructed...

A DSP Online Conference?

Started by stephaneb 3 months ago12 replieslatest reply 3 months ago180 views
Hello!The Embedded Online Conference went (and is still going) very well - lots of sessions (40+), registrations (6,000+) and positive feedback.Next up, we...

DSP Online Conference gaining momentum - Zoom Meeting Info

Started by stephaneb 3 months ago3 replieslatest reply 3 months ago72 views
Good morning!The idea of a DSP Online Conference is gaining momentum and I am excited.Please join me at 11AM EDT this morning (07/02) for a Zoom brainstorming session...

SPI Signal or Something else

Started by Ola1a 3 months ago10 replieslatest reply 3 months ago95 views
Hello Friends, I am new to this Forum, so first  of all greetings to all !I have an old Agilent system that has a detector and a DSP board. The signal is transmitted...

Single vs split Hilberts

Started by joedarock 3 months ago1 replylatest reply 3 months ago93 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...

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