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Moving the notches of a Moving Average Filter

Started by gmedrano 1 month ago9 replieslatest reply 1 month ago193 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 2 months ago19 replieslatest reply 1 month ago189 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 5 months ago6 replieslatest reply 2 months ago296 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 3 months ago28 replieslatest reply 2 months ago217 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...

Maximally Decimated Polyphase Channelizer Help

Started by tkuraku 2 months ago3 replieslatest reply 2 months ago167 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...

How to design cic digital filter for sigma delta adc

Started by ahhh 2 months ago7 replieslatest reply 2 months ago195 views
My SD ADC modulator has a sampling frequency of 1.024 MHz, an input bandwidth of 1 kHz, an oversampling ratio of 512, a single-loop second-order structure, and a...

Occam's razor, Physics example

Started by Cedron 3 months ago3 replieslatest reply 2 months ago187 views
From the Wikipedia article:"Suppose an event has two possible explanations. The explanation that requires the fewest assumptions is usually correct....However, Occam's...

Beats in signals of three or more sinusoids. Possible discovery.

Started by JhnnsDvrk 2 months ago7 replieslatest reply 2 months ago230 views
#Python Hello, I have been on a journey trying to discover a way to outline ‘beats’ in signals comprised of three or more sinewaves. This project started since...

Calibration of MEMS Microphone with Reference Microphone in Acoustic Box: Seeking Guidance

Started by Karoline 2 months ago4 replieslatest reply 2 months ago126 views
Hello everyone, I am currently involved in a project where I'm using two distinct types of microphones connected to an Audio Precision system, comprising an APx525...

Matlab waveform generation with added AWGN for Deep learning classification.

Started by Samuelson 2 months ago2 replieslatest reply 2 months ago119 views
Hello,I am generating WLAN 802.11n/ac waveforms with 4 different modulation schemes (BPSK, QPSK, 16-QAM, 256-QAM) and feed the I/Q data into my Deep learning model...

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