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Forums Update, Tips and Tricks - Please Read!
Started by 8 years ago●12 replies●latest reply 3 days ago●2737 viewsIt'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...
Generate 2KHz damped sine wave using DAC
Started by 1 day ago●5 replies●latest reply 23 hours ago●84 viewsI 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...
Maximally Decimated Polyphase Channelizer Help
Started by 3 days ago●3 replies●latest reply 2 days ago●117 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 3 weeks ago●7 replies●latest reply 2 days ago●163 viewsMy 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...
Started by 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 2 weeks ago●7 replies●latest reply 1 week ago●204 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 3 weeks ago●4 replies●latest reply 2 weeks ago●110 viewsHello 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 2 weeks ago●2 replies●latest reply 2 weeks ago●106 viewsHello,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...
Hello,As far as I understand the purpuse of a Farrow filter is to interpolate samples at a fractional ratio.For example: we have an ADC sampling at 41 MS/S and we...
Error in frequency estimation for low frequencies
Started by 4 weeks ago●25 replies●latest reply 4 weeks ago●191 viewsHello 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...
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