The following links may be of help to you to get started on sensor fusion and signal processing techniques.
For Sensor Fusion
- Getting started (also has videos) - https://www.mathworks.com/help/fusion/getting-started-with-tracking-and-sensor-fusion-toolbox.html
- Sensor modeling - https://www.mathworks.com/help/nav/sensor-models.html
For Signal Processing
- Signal Processing Onramp - https://matlabacademy.mathworks.com/details/signal-processing-onramp/signalprocessing
- Spectral Analysis Techniques - https://matlabacademy.mathworks.com/details/spectral-analysis-techniques/otmlsat
- Filter Design - https://matlabacademy.mathworks.com/details/filter-design-and-analysis-methods/otmlfdam
- Other useful courses - https://matlabacademy.mathworks.com/?page=1&fq=signal-processing&sort=featured
