Questions tagged [algorithms]
Algorithm is a method expressed in a finite list of steps of well-defined instructions to process a signal.
450 questions
2 votes
1 answer
46 views
Flow errors on a binary periodic signal
Imagine you receive a binary periodic signal of unknown pattern (and unknown length) but your observations are distorted by flow errors: random duplicates (repeat a value before the next value) and ...
0 votes
0 answers
37 views
How to solve KES equation of BCH in SiBM algorithm?
I have a BCH decoder which solve KES equation using RiBM algorithm, the RiBM Code in matlab is follows: ...
1 vote
0 answers
39 views
implementing the VBAP algorithm
I've already made 2 posts that I've deleted about this because I've found the solution. So I'm trying to implement Ville Pulkki's VBAP algorithm in typescript with math.js. here is how my code looks ...
0 votes
0 answers
51 views
Why is CORDIC an approach that can work with every sample and thus be more optimized for lower SNR condition
I want to know Why CORDIC is an approach that can work with every sample and thus be more optimized for lower SNR condition. frequency divider
0 votes
2 answers
310 views
Getting the magnitude and phase of a single specific frequency from an audio signal
Assuming I only care to calculate the magnitude and phase of ONE single frequency from a signal, how can I get this information without calculating anything else? For example I want to come up with an ...
0 votes
1 answer
247 views
algorithm for second order butterworth filter
I want to implement an algorithm for a second order butterworth filter on the form $ H(s) = \dfrac{Y(s)}{U(s)}= \dfrac{1}{\left(\frac{s}{w_0}\right)^2+2\zeta\frac{s}{w_0}+1} $ I want to get it on the ...
0 votes
1 answer
348 views
Can the Constant Q transform be implemented more efficiently using an FFT?
I am trying to implement a Constant Q transform in code and was wondering if there was an algorithm that took advantage of the FFT to speed up the calculation so it can be used efficiently in realtime ...
5 votes
0 answers
152 views
Efficient computation of 2^x (antilog2) for fixed-point
I've created a log2 AGC for an FPGA project, similar to Dan Boschen's solution in this question. I implemented a hardware version of log2 based on Dan's linked page in the previous question - ...