Forums Update, Tips and Tricks - Please Read!

Started by stephaneb 2 years ago10 replieslatest reply 8 months ago925 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...

PSD estimation when I have oversampled data

Started by dsavio 7 hours ago2 replieslatest reply 5 hours ago32 views
Suppose 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 jerryjameso 2 days ago7 replieslatest reply 15 hours ago51 views
Hi 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...

Negative Latency DSP Methods

Started by MixedSignal 3 days ago6 replieslatest reply 2 days ago70 views
Hi Folks, following on from the series of articles on feedback controllers and applications, I am considering doing an article later in the year on Negative Latency...

Sampling frequency of slow phenomena to obtain PSDs

Started by alejo_latd 4 days ago7 replieslatest reply 2 days ago59 views
Hello all, this is my first post.In my current project I need to obtain PSDs of temperature noise from thermocouples submerged in water at 17 ºC, in this conditions...

Matlab-implementation of dynamic range compressor

Started by Luk_11 5 days ago8 replieslatest reply 3 days ago81 views
hey 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,...

Time domain signal slikes

Started by lmoshe 5 days ago9 replieslatest reply 3 days ago82 views
Hi,I’m working on radar system. We got new HW platform and we see very strong spikes in the time domain signal about 50db above the the target signal.What can...

Folded FIR filter in Matlab or Octave

Started by woodpecker 4 days ago6 replieslatest reply 3 days ago74 views
Most of you, I'm sure, will be familiar with the "Folded FIR" technique for reducing the computational load of FIR filters.   For instance, in the example below,...

fixing sample rate error/mismatch

Started by helic 4 days ago5 replieslatest reply 3 days ago61 views
Hi,In my current project, I need to match two audio streams that runs on different clocks. Both claims to have 48k sample rate, but one contains an unknown small...

Overlap-add with window

Started by ctlee 1 week ago26 replieslatest reply 5 days ago78 views
Hi all,Suppose I have an input signal \( x[n] \) of length \( N \), an FIR filter \( h[n] \) of length \( M \), and a window function \( w[n] \) of length \( N...

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