Thread: Digital Filters (basic explanation)
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Old 10-10-2005, 09:05 PM
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What is RFTL (Reference Fast Trend Line) and RSTL (Reference Slow Trend Line)?
RFTL and RSTL are support "slow" trend line are digital filters response of LPF 1 and LPF 2 to the entry discontinuous series taken with delays. Support lines of RFTL and RSTL are analogues to simple moving "average" in the sense of their delay in relation to the current prices.

Indicators of FTLM (Fast Trend Line Momentum) and STLM (Slow Trend Line Momentum) show the tempo of change (fall or growth) of FATL and SATL and are calculated similarly to indicator Momentum by formulas:
FTLM(k) = FATL(k) – RFTL(k),
STLM(k) = SATL(k) – RSTL(k).
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