Signal processing - Scicoding

Signal processing

Signal processing.

How to Calculate Percentile in Python?

How to Calculate Percentile in Python?

Percentiles are among the most common tools for statistical analysis. They are used to determine a number (score) under which a given percentage of samples fall into. For instance, the 50% percentile is essentially the median, the value under which half of the samples fall into. I will walk through

4 Ways to Calculate Convolution in Python

4 Ways to Calculate Convolution in Python

How to calculate convolution in Python. Here are the 3 most popular python packages for convolution + a pure Python implementation.

Calculating Power Spectral Density in Python

Calculating Power Spectral Density in Python

How to calculate power spectral density (PSD) in Python using the essential signal processing packages.

The Water-Filling Algorithm: In-depth Explanation

The Water-Filling Algorithm: In-depth Explanation

What is the capacity optimal way of allocating power over multiple simultaneous transmissions? This is a common question that arises time and time again in communications. In general, it is not an easy question to answer. In many cases, the problem turns out to be NP-hard, and we need to

Binary Symmetric Channel

Binary Symmetric Channel

The binary symmetric channel (BSC) is one of the simplest channel models to consider. It is usually the starting point when we begin to study information and coding theory. This model is really worth spending some time and effort to understand as it builds up the foundation for more complex

How to Do Cross-Correlation in Python: 4 Different Methods

How to Do Cross-Correlation in Python: 4 Different Methods

💡Update 22.6.2022: Fixed date set generation. Cross-correlation is a basic signal processing method, which is used to analyze the similarity between two signals with different lags. Not only can you get an idea of how well the two signals match with each other, but you also get the

4 Ways of Calculating Autocorrelation in Python

4 Ways of Calculating Autocorrelation in Python

Autocorrelation is a function that provides a correlation of a data set with itself on different delays (lags). This has many applications in statistics and signal processing. This subject was also touched on in our previous post on how to write a pitch detection algorithm in Python using autocorrelation. What

Trivial ordinary least squares in C++ & Armadillo

Signal processing

Trivial ordinary least squares in C++ & Armadillo

Using plain C++ for complex numerical calculations can be a lot of work. Luckily, some libraries can do much of the heavy lifting. I'm going to show you how to use Armadillo [http://arma.sourceforge.net/] to solve simple ordinary least squares (OLS) fitting. I'm assuming that you have the