Level: 2
Background
John F. Ehlers introuced Dual Differential Cycle Period Measurer in his "Rocket Science for Traders" chapter 7. The In-phase and Quadrature components are computed with the Hilbert Transformer using procedures identical to those in the Dual Differentiator.
Function
blackcat L2 Ehlers Homodyne Discriminator Cycle Period Measurer is used to...
![BTCUSD: [blackcat] L2 Ehlers Dual Differential Cycle Period Measurer](https://s3.tradingview.com/q/qsLU4UEV_mid.png "[blackcat] L2 Ehlers Dual Differential Cycle Period Measurer")
