### HT_DCPHASE - Hilbert Transform - Dominant Cycle Phase > 函數名：HT_DCPHASE 名稱： 希爾伯特變換-主導循環階段 NOTE: The ``HT_DCPHASE`` function has an unstable period. ```python real = HT_DCPHASE(close) ``` Learn more about the Hilbert Transform - Dominant Cycle Phase at [tadoc.org](http://www.tadoc.org/indicator/HT_DCPHASE.htm).