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Thesis - Leigh Moody.pdf - Bad Request - Cranfield University

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Appendix C / Axis Transforms<br />

_ _<br />

Not so rare is a near-zero horizontal range for high diving targets,<br />

M<br />

hM<br />

( P > 5 ) ∧ ( P < 5 )<br />

m<br />

Introducing the functional form,<br />

m<br />

T<br />

M<br />

A<br />

: =<br />

ϕ<br />

16-14<br />

⇒<br />

DC<br />

XYZ<br />

T<br />

M<br />

A<br />

: =<br />

⎛<br />

⎜<br />

⎜<br />

⎜<br />

⎜<br />

⎜<br />

⎜<br />

⎝<br />

A ( P , 5 )<br />

m<br />

0<br />

1<br />

0<br />

,<br />

,<br />

,<br />

0<br />

0<br />

1<br />

,<br />

,<br />

,<br />

1<br />

0<br />

0<br />

⎞<br />

⎟<br />

⎟<br />

⎟<br />

⎟<br />

⎟<br />

⎟<br />

⎠<br />

Equation 16.13-5<br />

Equation 16.13-6<br />

The transform from the Alignment to Target LOS frame is (TRATOT),<br />

T<br />

T<br />

A<br />

: =<br />

ϕ<br />

DC<br />

XYZ<br />

A ( P , 5 )<br />

16.14 Alignment to Missile and Target Velocity Transformations<br />

t<br />

Equation 16.13-7<br />

The Euler triplet defining the orientation of the Missile Velocity frame with<br />

respect to the Alignment frame,<br />

E<br />

MV<br />

A<br />

=<br />

−1<br />

ZA hA<br />

1 YA XA<br />

( 0 , tan ( P&<br />

P&<br />

−<br />

−<br />

) , tan ( P&<br />

P&<br />

) )<br />

m<br />

m<br />

m<br />

m<br />

Equation 16.14-1<br />

The transform from the Alignment to Missile Velocity frame (TRATMV),<br />

T<br />

MV<br />

A<br />

: =<br />

ϕ<br />

DC<br />

XYZ<br />

A ( P&<br />

c , 5 )<br />

Equation 16.14-2<br />

The same equations can be used for the orientation of the Target Velocity<br />

frame with respect to the Alignment frame. The transform from the<br />

Alignment to Target LOS frame (TRATTV),<br />

T<br />

TV<br />

A<br />

: =<br />

ϕ<br />

DC<br />

XYZ<br />

A ( P&<br />

t , 5 )<br />

Equation 16.14-3<br />

Consider the YP Euler angle Jacobians associated with the Alignment to<br />

Missile Velocity frame transform, that apply in general,

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