th_tche

Tchebychev class filter.

Syntax

th_tche(xvect, yvect, class, debug_flag)

Arguments

xvect
The time vectors (seconds).
yvect
Response vectors to be filtered (any units).
class
Can be 60, 180, 600, or 1000.
debug_flag
Optional argument. Flag to turn on debug mode (points to message log). Default is off.

Example

th_tche(p1w1c1.x, p1w1c1.y, 1000)

Comments

Tchebychev class filter is a low-pass filter, which means that high frequencies are filtered.

Equivalent filters in TH++ are:
  • LOW PASS Tchebychev 1000/12.5
  • LOW PASS Tchebychev 600/12.5
  • LOW PASS Tchebychev 180/12.5
  • LOW PASS Tchebychev 60/12.5