| The increasing line of SATL corresponds to the bull trend on the market and decreasing SATL corresponds to bear trend; _tdRFTL (Reference Fast Trend line) describes a response of the digital filter on the discrete sequence of market prices but with delay equal to Nyquist interval of the filter used in FATL; _tdRSTL (Reference Slow Trend line) describes a response of the digital filter on the discrete sequence of market prices but with delay equal to Nyquist interval of the filter used in SATL; _tdFTLM (Fast Trend Line Momentum) shows the momentum of FATL and is calculated by equation FTLM= FATL-RFTL; _tdSTLM (Slow Trend Line Momentum) shows the momentum of SATL and is calculated by equation STLM= SATL-RSTL. |