# Category

## Viterbi Example

## 2020-05-01 c signal-processing

## Here we go! In this post I’m going to go through how Viterbi Decoders work. There is a lot to cover since we need to touch on Convolutional ... Read More

## Delay Lines in C

## 2020-03-23 c signal-processing

## There are many scenarios where a delay line is needed in signal processing. Scenarios ranging from Digital Filters, Convolution, Reverberation, Echo ... Read More

## Implementing FIR Filters in C

## 2019-08-19 c telecommunication signal-processing

## Implementing FIR filters in C is much easier if we make use of the static variables declared in our functions. In this blog post we will create some ... Read More

## Example FFT in C

## 2019-08-08 c signal-processing

## In this post we’ll provide the simplest possible Fast Fourier Transform (FFT) example in C. After understanding this example it can be adapted ... Read More

## PSK31 Convolutional Decoder Implementation in C

## 2019-02-13 telecommunication signal-processing convolution

## PSK31 Convolutional Decoder In my humble opinion decoding a convolutionally encoded PSK31 output stream is the most challenging part of all. Decoding ... Read More

## PSK31 Convolutional Encoder implementation in C

## 2019-02-13 telecommunication signal-processing convolution

## PSK31 Convolution Encoding Convolutional Codes are often charactarized by three aspects: n Base Code Rate - Number of bits into the encoder k Output ... Read More

## Root Raised Cosine Filter in C

## 2019-02-13 telecommunication signal-processing convolution

## Root Raised Cosine Filtering The PSK31 Standard uses Root Raised Cosine Filters as a matched filter. Our PSK31 signal is convolved by the Root Raised ... Read More

## Simple Convolution in C

## 2018-10-17 c convolution signal processing

## Updated April 21, 2020 In this blog post we’ll create a simple 1D convolution in C. We’ll show the classic example of convolving two ... Read More