This is the Adaptive Cyber Cycle indicator described in Chapter 10.  The Trigger indicator is created by delaying the Adaptive Cyber Cycle indicator by one bar.  This indicator may be combined with the Cyber10_AdaptiveCycle indicator to create a trading system.

PriceIn = defaults to Close but change to the Price indicator to match the book

alpha = defaults to 0.07 as described in the book

For more information on this indicator, refer to Chapter 10 of "Cybernetic Analysis for Stocks and Futures" by John Ehlers, Publisher: John Wiley & Sons; (March 19, 2004), ISBN: 0471463078