Find Geiger counter CPM

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Robert 2023-12-14

评论： madhan ravi 2023-12-15

I am trying to find the counts per minute of a geiger counter signal using Simulink.

I managed to get the signal in a digital/binary form shown below:

I want to figure out how many pulses there are in a given timefram (1-3 seconds)

madhan ravi 2023-12-14

编辑：madhan ravi 2023-12-14

Let A be your Interval test signal in timeseries format. Then

Pulses_1_3secs = nnz(out.A.Data((out.A.Time >= 1) & (out.A.Time <= 3))

Robert 2023-12-15

By the way, I am using Simulink, so the method that you proposed may not work.

madhan ravi 2023-12-15

The block under sum block in the second pic is *Unit Delay* block.

The first PWM block *Run at fixed interval* is ticked as model runs at fixed sample time.

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