Reentry Air Data System for a Sub-orbital Spacecraft Based on X-34 ...

How do we reduce the effect of noise?
• Complementary Inertial Filters
– In the Laplace domain
– However, the rest of the algorithm is non-continuous, so the
conversion back to the time domain is not a simple one.
– Necessitates usage of a Bi-Linear trans<strong>for</strong>m
2007 USU Industry Day
τ sβ
+ β
β =
τ s + 1
inertial FADS
⎡z−1⎤ 1
s = a
⎢
⇒ β = β + β −β
⎣z+ 1⎥
⎦
⎡z−1⎤ a
⎢ τ + 1
⎣z+ 1⎥
⎦
( )
inertial FADS inertial
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