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SUServo: remove references to non-existent a0 parameter

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Signed-off-by: TPH <thomas.harty@physics.ox.ac.uk>
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hartytp 2019-02-07 15:17:41 +00:00 committed by TPH
parent df6c1fca2c
commit f3aab2b891
1 changed files with 1 additions and 2 deletions
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artiq/coredevice/suservo.py
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@ -319,7 +319,7 @@ class Channel:
The recurrence relation is (all data signed and MSB aligned):
.. math::
a_0 y_n = a_1 y_{n - 1} + b_0 (x_n + o)/2 + b_1 (x_{n - 1} + o)/2
y_n = a_1 y_{n - 1} + b_0 (x_n + o)/2 + b_1 (x_{n - 1} + o)/2
Where:
@ -328,7 +328,6 @@ class Channel:
* :math:`x_n` and :math:`x_{n-1}` are the current and previous
filter inputs in :math:`[-1, 1[`.
* :math:`o` is the offset
* :math:`a_0` is the normalization factor :math:`2^{11}`
* :math:`a_1` is the feedback gain
* :math:`b_0` and :math:`b_1` are the feedforward gains for the two
delays