Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 8 years ago12 replieslatest reply 3 weeks ago2771 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...

Direct RF radio

Started by jekain314 1 day ago6 replieslatest reply 5 hours ago157 views
I am looking at the pre-release Analog Devices AD9084  -- APOLLO MxFE. This has 4TX and 4Rx and ADC/DAC at 20/28 Gsps. There is also a less capable but similar...

Polyphase filter assistance

Started by bigalnz 2 days ago1 replylatest reply 1 day ago135 views
I am a hobbyist programmer, and for "fun" are trying decode signals from a wildlife tracker to assist with a local conservation project.With assistance from the...

Future of Signal Processing

Started by Mannai_Murali 6 days ago17 replieslatest reply 1 day ago301 views
Are all signal processing algorithms in communication and control going to be replaced by machine learning and AI.Is it still worth to look in to conventional signal...

Moving the notches of a Moving Average Filter

Started by gmedrano 2 weeks ago9 replieslatest reply 1 week ago174 views
Hi!Is there a way of slightly moving all the notches of a recursive MAV filter without changing the sampling period?The order of my filter is 16, and changing it...

Generate 2KHz damped sine wave using DAC

Started by KousikBarathwaj 4 weeks ago19 replieslatest reply 2 weeks ago164 views
I would like to generate a 2KHz damped sine wave from the DAC of my microcontroller (STM32). How to impose the exponential decay lasting for 1second on the 2KHz...

Variable IIR-Filter Coefficient calculation in frequency domain

Started by Nordmann 4 months ago6 replieslatest reply 2 weeks ago263 views
Hello,Currently im evaluating the usefulness of frequency domain filtering in FPGA for one of our projects. Im stuck with a problem that my limited knowledge of...

Error in frequency estimation for low frequencies

Started by ueligiger 2 months ago28 replieslatest reply 3 weeks ago203 views
Hello everyoneWe want to use a chirp z-transform to determine the frequency of a signal more accurately. It works quite well, but we see that the accuracy is much...

FSK demodulation with repetitive impulse jammer

Started by Detlef _A 4 weeks ago1 replylatest reply 3 weeks ago137 views
Hi,I demodulate FSK (46 ks/s,3600/4800Hz,1200 Bd) and I have regular fat jammer pulses every 221 samples. Filtering away the pulses outside the useful spectrum 2k6-5k8Hz...

Maximally Decimated Polyphase Channelizer Help

Started by tkuraku 4 weeks ago3 replieslatest reply 4 weeks ago146 views
#python #Polyphase #ChannelizerI'm hoping someone can help me with this maximally decimated polyphase channelizer I've coded up. This is based on the fitler_ten_a...

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