PS RMS Estimator

Measure RMS value of periodic signal


Physical Signals/Periodic Operators


The PS RMS Estimator block measures the root mean square (RMS) value of a periodic signal.

A signal is periodic if it completes a pattern within a measurable time frame, called a period, and repeats that pattern over identical subsequent periods. The signal base frequency is the number of periods per second.

The block accepts a physical signal with one or more AC components present. It outputs an RMS value, where each frequency component is averaged over its time period.

To obtain meaningful results, run the simulation for at least one full time period of the signal.


Base frequency

Specify the periodic signal frequency. The default value is 60 Hz.


The block has one physical signal input port and one physical signal output port.

Introduced in R2015b

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