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Learning FPGA

Started by stephaneb 6 years ago19 replieslatest reply 1 year ago4449 views
A few months ago, this community tackled the first FPGA FAQ titled When (and why) is it a good idea to use an FPGA in your embedded system design?.  Your contributions...

PMCW Radar for cars

Started by adaptivefilter 3 years ago6 replieslatest reply 1 year ago1788 views
Hello.Does anybody working in the automotive radar sector know and can tel me if Phase Modulated Continuous Wave Radar is gaining popularity for mm-wave car radars...

Removing DC and low frequency noise from a spectrum

Started by tomb18 8 years ago21 replieslatest reply 1 year ago2457 views
In a previous post, I asked about removing a DC spike from a spectrum generated by a quadrature receiver.  I have been able to remove the DC spike but the spike...
Thank you for reading this in advanceI approximated an FIR filter to an IIR filter using the balanced model truncation method.After this, I have got very similar...

PDM to PCM

Started by D3dalo 1 year ago2 replieslatest reply 1 year ago261 views
Hi, I have a PDM signal and I wanna convert it to a PCM signal. This signal is sample at 1MHz. This is the process that I am following:Filter the signal with a FIR...

'Alchemical' Forecasting and Restorative Up-Sampling

Started by Winkie 2 years ago10 replieslatest reply 1 year ago208 views
Dear DSPRelated friends:It's been a number of months since I prematurely tried your patience with ideas so far 'out-of-the-box' that I could be paying you for therapy...

IIR filters

Started by neirober 6 years ago14 replieslatest reply 1 year ago950 views
I am curious about the usefulness of IIR filters above 2nd order in DSP applications.  I know that first order IIR's are common, and presumably so are biquads. ...

Rabbit Ear Artifact At Image Frequency of Complex Downconverted Pulse Train

Started by JohnnyM 1 year ago5 replieslatest reply 1 year ago200 views
Hello, I have created a Matlab simulation of a series of band-limited sinusoidal pulses indexed 1:N, spaced evenly in "slow time" each with a starting phase that...

GNURadio BPSK Position Costas Loop and Clocksync

Started by RonWei 1 year ago6 replieslatest reply 1 year ago726 views
Hello folks,I'm having a problem understanding GNU Radio and the BPSK examples right now.In all examples in the www, a clock sync block is used first after reading...

mitigating phase shift

Started by Detlef _A 1 year ago5 replieslatest reply 1 year ago176 views
Hi, I want to PLL on the line voltage, here in Europe 50Hz. I have a noisy signal and i use a prefilter with a complex pole pair at 0.999*exp(+/- j*2*pi*50/10000)....

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