Module liba.lpf
Low Pass Filter
Functions
| new (fc, ts) | constructor for Low Pass Filter |
| gen (ctx, fc, ts) | generate for Low Pass Filter |
| iter (ctx, x) | calculate for Low Pass Filter |
| zero (ctx) | zeroing for Low Pass Filter |
Functions
- new (fc, ts)
-
constructor for Low Pass Filter
Parameters:
- fc number cut-off frequency unit(hz)
- ts number sampling time unit(s)
Returns:
-
a.lpf
Low Pass Filter userdata
- gen (ctx, fc, ts)
-
generate for Low Pass Filter
Parameters:
- ctx a.lpf Low Pass Filter userdata
- fc number cut-off frequency unit(hz)
- ts number sampling time unit(s)
Returns:
-
a.lpf
Low Pass Filter userdata
- iter (ctx, x)
-
calculate for Low Pass Filter
Parameters:
- ctx a.lpf Low Pass Filter userdata
- x number input value
Returns:
-
number
output value
- zero (ctx)
-
zeroing for Low Pass Filter
Parameters:
- ctx a.lpf Low Pass Filter userdata
Returns:
-
a.lpf
Low Pass Filter userdata