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I have 2 real time series $x(t)$ and $y(t)$, after fft it should become $tilde{X}(f)$ and $tilde{Y}(f)$. Then I need to normalize $tilde{X}(f)$ with ...
Asked on 11/21/2021
2 answerI am learning estimation theory through Steven M. Kay - Fundamentals of Statistical Signal Processing, Volume 1: Estimation Theory. In the Chapter 12 (Linear Bayesian Estimator), Theorem...
Asked on 11/21/2021 by McZhang
2 answerI am working on signed 2's complement for my fractions coefficients. Below code can be used for positive inputs. However for a negative 2's complement when I added LSB with...
Asked on 11/21/2021
1 answerHas anyone seen this trick before? Let's say I'm working with a real pure tone signal that's dangerously close to Nyquist. So, I want to upsample it by a...
Asked on 11/15/2021 by Cedron Dawg
2 answerI am currently looking at the STFT for Librosa. I was wondering how to understand the output of the STFT function, specifically what kind of frequencies the different values represent....
Asked on 11/13/2021 by Cralle
1 answerThe signal $x(t)=e^{-t^2}text{sinc}(t)$ was sampled at interval $T$. It was then found that the discrete time Fourier transform of the sampled signal is: $X(e^{jomega})=1$. What is the...
Asked on 11/13/2021 by John_HB
1 answerI am trying to understand, possibly in an intuitive way, why would OQAM/FBMC when used with a Phydyas filter lead to a signal that does not need any cyclic...
Asked on 11/11/2021 by ali khalil
1 answerI am new to image processing, and this is the task at hand. I have a mask image of shape 500x500x1 that contains polygons. These polygons (=vector data: common term...
Asked on 11/11/2021
1 answerIn U-nets I would like a more straight-forward/detailed explanation in how the upsampling part ("right part of the U") is performed. I read that it can be done by...
Asked on 11/08/2021
1 answerI have collected two signals, $B_1(x)$ and $B_2(x)$. The signals start and end at the same $x$-values. Each signal $B_i(x)$ contains:a base signal $b(x)$, which...
Asked on 11/08/2021 by rotano
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