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Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 6 years ago12 replieslatest reply 2 months ago2215 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...

ChatGPT's idea of a computationally efficient digital filter - ha ha ha...

Started by yates 13 hours ago3 replieslatest reply 8 hours ago133 views
Design a computationally efficient digital filter which can extract a 1 kHz signal between 1000 Hz and 2000 Hz from a digital input signal with a sample rate of...

PMCW Radar for cars

Started by adaptivefilter 2 years ago6 replieslatest reply 13 hours ago1073 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...

The Nyquist Sampling Theorem

Started by Rick Lyons 7 days ago13 replieslatest reply 13 hours ago229 views
I asked the ChatGPT artificial intelligence (AI) software to write a song about the Nyquist Sampling Theorem in the style of Bob Dylan. Here's what the AI produced:Verse...

Help finding textbook for introductory DSP courses

Started by KPLomholdt 1 day ago6 replieslatest reply 16 hours ago121 views
Hi there!I teach two introductory courses i Digital Signal Processing, 3rd and 4th semester electronics bachelor students. For several years, I've been using Understanding...

Removing DC and low frequency noise from a spectrum

Started by tomb18 6 years ago21 replieslatest reply 23 hours ago1969 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...

FFT Interpolation

Started by MrColly 4 years ago25 replieslatest reply 2 days ago919 views
I am having difficulties accepting the validity of FFT interpolation / time domain zero padding. When a section of time data of length T is selected from which...

Rabbit Ear Artifact At Image Frequency of Complex Downconverted Pulse Train

Started by JohnnyM 2 months ago5 replieslatest reply 2 weeks ago121 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...
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 month ago2 replieslatest reply 1 month ago145 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...

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