All Questions

17,819 questions
Filter by
Sorted by
Tagged with
2 views

Determining baud rate and throughput

Say we have an alphabet of cardinality 32, trying to send over a channel with bandwidth constraint fmin: 250mhz, fmax: 500 mhz. Signal is upsampled by a factor of 4, and interpolated at 1 ghz to meet ...
7 views

Can anyone tell me about active cancellation techniques?

Can anyone tell me more about active cancellation techniques in detail ? Because i saw this paper : ( https://www.researchgate.net/publication/263352526_All-Digital_Self-...
4 views

Gaussian Pyramid - Expand Operator

I'm trying to understand the EXPAND operator in Burt and Adelson's paper (https://s3.amazonaws.com/content.udacity-data.com/courses/ud810/readings/Burt-Adelson1983Laplacian-Pyramid.pdf) and I'm a bit ...
16 views

Amplify a time domain signal and phase shift it by multiplying by a complex number

I have a real time domain signal contained in an array, it's just two different frequencies summed together. If I want to amplify this signal by 10 and phase modulate it by 0.5 degrees, will this work?...
11 views

Are MATLAB function zp2tf() and tf2zp() are complementary or not?

I was under impression that given, pole, zero and gain the transfer function (filter coefficients b and a) is fixed. Therefore, ...
9 views

power spectral density estimation

I have an audio signal carols.wav. How do I obtain the PSD in Matlab using the inbuild pwelch function and also to write my own code.
14 views

Feature Extraction of Insect Sounds

First of all, forgive me if I sound stupid. I am still learning Audio Processing. So I am trying to make a machine learning model for detecting a specific insect through sound. Here is a sample raw ...
11 views

Combining Multiple Point Clouds

I have a car with 8 lidars, each with a field of view of 60 degrees. My car looks like this How can I merge all the lidar readings into 1 point cloud?
21 views

Plotting impulse functions on the same time axis with other functions in MATLAB

I am trying to plot the following function: I have to plot another function along with it all on the same plot. Got the other function working, but I can't seem to get this one working. The code ...
12 views

How to simulate Zoom, Pan, Tilt transformations?

Say we are looking at a football field from a broadcast view. To give us another tool, we also have a transform of that view to a topdown view. So our two views are like so: How would one simulate ...
6 views

How to calculate auto-covariance for a discrete-time symmetric block-wave?

I am newbie to this field, so this question seems difficult to me. I'd appreciate your help. For a discrete-time symmetric block-wave u(t), ...
23 views

Zone Plate Reconstruction

I am trying to reconstruct the Zone Plate image and am struggling to remove the last remaining aliasing. ShaderToy: https://www.shadertoy.com/view/wdGGWK In the shader above you can see that I am ...
18 views

Solving the system response using inverse Laplace transform

I am trying to solve this question but I got stuck when inverting the Laplace transform for this problem. I do not know that whether I do it right or wrong. Moreover, I do not know how to handle the ...
34 views

I read in a paper that the discrete wavelet transform (DWT) has two disadvantages The first one is the shift variance property due to the downsampling process. Could you please help me understanding ...
24 views

Third order hold system [on hold]

Extract the phase and magnitude of third order hold system and represent it by drowing?
7 views

Optimizing a heating/cooling system for a particular input

Lets say I have a house with 2 rooms. One of them has a window that opens and closes T periodically. So the heat influx behavior of the window is like a square wave. There is an air conditioning unit ...
34 views

Shift vector function in MATLAB

I am working on my own shift vector function that will be used later to compute the convolution of two signals. The function has to shift the vectors either left or right depending on the magnitude ...
29 views

Passing a sampled signal through a filter

I was wondering why is it wrong to use a band-pass filter on a sampled signal? If the signal we want to sample has frequencies up to fmax, we sample it with frequency fs = 2fmax (so that Nyquist ...
11 views

Validating tapping and singing

I have a recording of someone tapping while singing and need to check that this someone is tapping the right rhythm and singing the right notes. My intuition is to detect tapping through amplitude of ...
32 views