### HT_DCPHASE - Hilbert Transform - Dominant Cycle Phase > 函数名：HT_DCPHASE 名称： 希尔伯特变换-主导循环阶段 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).