Forums
USB to I2S adapter for audio transceiver
Started by 2 months ago●5 replies●latest reply 2 months ago●81 viewsHello, all!I need an adapter / bridge to connect a MEMS tranceiver to my PC, to stream audio data for DSP purposes.The tranceiver can either send or receive PDM...
Why is Logical root sequence number in Root Zadoff-Chu needed?
Started by 2 months ago●7 replies●latest reply 2 months ago●90 viewsHi,I have been investigating RACH preamble planning and the properties of Root Zadoff-Chu sequences as used in 3GPP #LTE .From Wikipedia, Zadoff-Chu sequences have...
Help on Noise Correlation Matrix
Started by 2 months ago●10 replies●latest reply 2 months ago●100 viewsI was trying to create a Noise Cross Correlation Matrix in Matlab by using the following code:N = 100; % Number of Samplesr1 = rand(1,N) + 1i*rand(1,N);r2 = rand(1,N)...
Anyone Familiar With and Use Frequently ? Matlab R2018b / Excel 2016 - Analyzing Wavelets & Thresholding Coefficients
Started by 2 months ago●6 replies●latest reply 2 months ago●62 viewsHello Everyone, Figured I would see if anyone is experienced with this stuff prior to spending two hours crafting a message with screenshots / diagrams / uploading...
Octave Frequency response of a filter - fft vs. freqz
Started by 2 months ago●10 replies●latest reply 2 months ago●96 viewsHelloI am trying to calculate the frequency response of the filter using freqz and the fft of the impulse response (I am using octave) The problem is that the 2...
Hi all:I worked at ADI for 17 years on low costs SigmaDSP. I know there has been a lot of confusion on programming tools and or SigmaStudio customization including...
Matlab-implementation of dynamic range compressor
Started by 2 months ago●9 replies●latest reply 2 months ago●128 viewshey guys, I am trying to implement a dynamic range compressor in Matlab according to the following block diagram:The problem is, I don't understand the block diagram. However,...
PSD estimation when I have oversampled data
Started by 2 months ago●4 replies●latest reply 2 months ago●88 viewsSuppose I have samples of a signal(s) + noise process which is sampled 4x what is necessary for my desired spectral resolution. My desire is to pick the signals...
Multirate: interpolation valuable when you can decimate only?
Started by 2 months ago●7 replies●latest reply 2 months ago●65 viewsHi all,I would like some opinions on resampling architectures.I have a current FPGA system that (greatly - 100x - overclocked) has a 65/64 followed by 5/18 but there...
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