Discrete integrators find the approximate area under a curve of samples. Integrators are low-pass filters. They pull variations in numbers towards the middle, and because large variations are typically high frequencies, it acts as a low-pass filter.
[[Forward Difference Integrator]]
[[Backward Difference Integrator]]
[[Central Difference Integrator]]
State-Space Estimators – typically implemented in discrete domain
- chaudhariDiscreteTimeIntegrators2017