This is the Even Better Sinewave indicator with two cycle:
Cycle=9: to find out the signals entry/exit points and reversals.
Cycle=36: to be analyzed, tells us where the dominant cycle is heading.
The Even Better Sinewave indicator as described in the book Cycle Analysis for Traders by John F. Ehlers. It uses a simple variant of the roofing filter and normalization to the short term power in the wave to provide unambiguous long and short indications.