PINE LIBRARY
JohnEhlersFourierTransform
已更新
Library "JohnEhlersFourierTransform"
Fourier Transform for Traders By John Ehlers, slightly modified to allow to inspect other than the 8-50 frequency spectrum.
reference:
mesasoftware.com/papers/FourierTransformForTraders.pdf
high_pass_filter(source) Detrended version of the data by High Pass Filtering with a 40 Period cutoff
Parameters:
source: float, data source.
Returns: float.
transformed_dft(source, start_frequency, end_frequency) DFT by John Elhers.
Parameters:
source: float, data source.
start_frequency: int, lower bound of the frequency window, must be a positive number >= 0, window must be less than or 30.
end_frequency: int, upper bound of the frequency window, must be a positive number >= 0, window must be less than or 30.
Returns: tuple with float, float array.
db_to_rgb(db, transparency) converts the frequency decibels to rgb.
Parameters:
db: float, decibels value.
transparency: float, transparency value.
Returns: color.
Fourier Transform for Traders By John Ehlers, slightly modified to allow to inspect other than the 8-50 frequency spectrum.
reference:
mesasoftware.com/papers/FourierTransformForTraders.pdf
high_pass_filter(source) Detrended version of the data by High Pass Filtering with a 40 Period cutoff
Parameters:
source: float, data source.
Returns: float.
transformed_dft(source, start_frequency, end_frequency) DFT by John Elhers.
Parameters:
source: float, data source.
start_frequency: int, lower bound of the frequency window, must be a positive number >= 0, window must be less than or 30.
end_frequency: int, upper bound of the frequency window, must be a positive number >= 0, window must be less than or 30.
Returns: tuple with float, float array.
db_to_rgb(db, transparency) converts the frequency decibels to rgb.
Parameters:
db: float, decibels value.
transparency: float, transparency value.
Returns: color.
發布通知
v2 removed the upper limit for the function, corrected a typo in the code, thanks to Al-M for spotting it :)發布通知
v3 - another typo bytes the dust.. tump tump tump oO", nicely spoted by Al-M :)發布通知
v4 fixed the preview chart..Pine腳本庫
在真正的TradingView精神中，作者將這段Pine程式碼發佈為開源程式庫，以便我們社群的其他Pine程式設計師可以重複使用它。請向作者致敬！您可以私下使用這個函式庫，或在其他開源出版品中使用，但在出版物中再次使用這段程式碼將受到網站規則的約束。
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