How to Combine Signals for High Dynamic Range?

[Lionceau49]

Homework Statement

hello I am working on a project concerning a measurement technique which consists of adding two signals from different sensors in order to obtain a signal with very high dynamics. and I would like you to help me because I saw your interventions concerning this system. I don't know yet if this is the hoka principle that I should use to add the two signals

Relevant Equations

no

hello I am working on a project concerning a measurement technique which consists of adding two signals from different sensors in order to obtain a signal with very high dynamics. and I would like you to help me because I saw your interventions concerning this system. I don't know yet if this is the hoka principle that I should use to add the two signals
Combination of the measurement principles
If the closed-loop converter and the Rogowski belt are combined, the two measurement signals must be added in such a way that the signal from the closed-loop converter is used at low frequencies. At higher frequencies, the measurement signal from the Rogowski belt should be used. According to Figure 4, a low-pass filter and a high-pass filter must be used for this. A current measurement signal with high dynamics can then be generated by summation

 

[FactChecker]

For a simple way to combine two signals, one with good low frequency accuracy and one with good high frequency accuracy, you should consider the complimentary filter. It combines the two, keeping the best of each.
See