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MatLab - System Identification Toolbox vs Code - discrepancies and small fit percentages

I need help understanding what in what is wrong with what I am doing, or why is this happening. So basically I have two tables and one variable: ...
justaguy's user avatar
3 votes
2 answers
800 views

How to Create a Filter that Matches a Desired Magnitude Response

I'm very, very new to this stuff, so please forgive me if the answer is obvious. I haven't been able to find any clear answers to this issue, even after looking through source code for various filter ...
mrdude's user avatar
  • 33
0 votes
0 answers
72 views

Notch filter with recursive math [duplicate]

Bit over my head in math here I want to do a notch filter in real-time programmation with codesys (the structure text here look alot like C) so I have this: Linear phase Notch filter / Band reject ...
user1745759's user avatar
0 votes
0 answers
218 views

Simulink delay block doesn't recognize vectors as intial conditions

I am trying to implement the kalman filter on simulink, for which I need the delay block to compute the new estimate based on the previous one. My state vector is three dimensional, and for some ...
doumham's user avatar
  • 41
1 vote
0 answers
43 views

How do I turn my sensor samples into a cleaner, more useful curve?

This is for one of my fish tanks, which has dimmable LED lights. It's a bit of an experiment where I'd like to see what'll happen if the "sun" above the tank "rises" and "sets&...
Sixtyfive's user avatar
  • 111
0 votes
0 answers
178 views

C-programming: How can I synthesize sounds through an ADSR envelope?

I want to write a C-program under Linux to synthesize sounds on a sound card by defining their ADSR envelopes (rather than playing previously sampled sounds. -- Background: Creating an electronic ...
user avatar
3 votes
2 answers
3k views

MUltiple SIgnal Classification (MUSIC) Implementation

I have a linear 4 element antenna array currently in my design, I am able to obtain the I/Q data from each antenna. Now I am trying to implement the MUSIC algorithm to obtain the AoA (Angle of Arrival)...
radar101's user avatar
3 votes
1 answer
60 views

Low Level Audio Engine Audio Data Reformatting - Sample Rate and Bit Depth Conversion

First off, there seems to be a sparse number of low level audio programming tutorials out there so if anyone knows of some good resources I would be very appreciative. Now on to the topic at hand! I ...
Ryoku's user avatar
  • 131
1 vote
0 answers
164 views

Hello World Example of a Digital Waveguide in JavaScript

I am just learning about sound so might be jumping the gun a bit. But it helps me stay motivated and get into an interesting problem to solve to ask these more complicated questions. I am looking at ...
Lance's user avatar
  • 111
0 votes
2 answers
384 views

Time domain to frequency domain conversion of audio signals to extract 1/3 octave frequencies

We have developed an android app (Noise Tracker) for noise measurement using smartphones. It displays noise levels in Leq sound pressure levels. I want to implement A & C weighting. As per my ...
satish Lokhande's user avatar
1 vote
0 answers
1k views

How to write the program to compare two audio files

I want to make the program which would take one file and check the similarity with other. It would be music/melody file, and the program would ignore small deviations between two of them similarly to ...
G. John's user avatar
  • 11
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0 answers
72 views

modelling radar system for image generation

I am trying to find or derive some model for radar using python and blender which should hopefully create a simulation of what a radar image of the blender environment would look like. I have been ...
O. M.W.'s user avatar
0 votes
0 answers
19 views

Partitioning data for minima detection

I am working with signals that consist of consecutive equidistant dips. I am trying to write an algorithm that finds the absolute lowest (minimum) point in each of the dips. We don't know the ...
Nick's user avatar
  • 1
0 votes
1 answer
111 views

How do I differentiate between signals from an unknown program?

I believe this question is on topic for this site under Algorithm debugging questions, but if not, I would appreciate a suggestion about where to post this question....
Alexis Evelyn's user avatar
29 votes
5 answers
20k views

Good Language for Implementing Computer Vision System / Algorithm / Application?

I am trying to implement a content based image retrieval system but before I do so I would like to get an overview of some programming languages suitable for this task (having good libs and such). ...
Hans Sperker's user avatar