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Инерциальная навигация
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Tt+dtRr+dr ◦ Θ + = (TtRr ◦ Θ ) ◦ (TδtΘ )' ϑ dϑ ϑ δϑ
; / % .
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Tt+dtRr+dr ◦ Θ + = TtRr ◦ Θ TδtΘ = TtRrTδtΘ ◦ Θ = ϑ dϑ ϑ δϑ ϑ δϑ
= TtTδtRr ◦ Θ ◦ Θ = (TtTδt)(Rr) ◦ (Θ ◦ Θ )
ϑ δϑ ϑ δϑ
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Tt+dt = TtTδt!
Rr+dr = Rr!
Θ + = Θ ◦ Θ
ϑ dϑ ϑ δϑ'
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% R, dr = 0
dr/dτ = 0 ' ; /
dr/dτ = v 2 / ?
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Tt+dtRr+dr ◦ V + ◦ Θ + = (TtRr ◦ V ◦ Θ ) ◦ (TδtV Θ )'
ψ dψ ϑ dϑ ψ ϑ δψ δϑ
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Tt+dtRr+dr ◦ V + Γα+dαΘ + ◦ Gg+dg Ww+dw = ψ dψ ϑ dϑ
= (TtRr ◦ V ΓαΘ ◦ Gg Ww) ◦ (TδtV ΓδαΘ Gδg Wδw)' ψ ϑ δψ δϑ
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ΛIE(τ +dτ ) = ΛIE(τ ) ◦ ΛE(τ )E(τ +dτ ) '
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E(τ )! E(τ + dτ )=
I E(τ ) ΛIE(τ )=
ΛIE(τ +dτ )ΛE(τ )E(τ +dτ )' 8 3 !
/ % , ΛIE(τ ) ΛE(τ )E(τ +dτ ) . ΛIE(τ +dτ )'
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Tt+dtRr+drVv+dv ◦ Θ + = (TtRrVv ◦ Θ ) ◦ (TδtVδv Θ )' ϑ dϑ ϑ δϑ
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Q = exp(iϑ/2)
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Tt2Tt1 = Tt! t = t1 + t2'
RrTt = TtRr'
TtRr = RrTt'
Rr2 Rr1 = Rr! r = r1 + r2'
ΘQTt = TtΘQ' TtΘQ = ΘQTt'
ΘQ |
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Rr = Rr |
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ΘQ! |
r = Q |
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r |
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Q−1' |
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r = Q−1 |
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ΘQ2 ◦ ΘQ1 = ΘQ! |
Q = Q2 ◦ Q1' |
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Vv ◦ Tt = TtRr Vv ! |
r = tv' |
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Tt ◦ Vv = VvRrTt! |
r = −tv' |
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Vv Rr = RrVv ' |
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RrVv = Vv Rr ' |
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Vv ◦ ΘQ = ΘQ ◦ Vv ! |
v = Q−1 ◦ v ◦ Q' |
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ΘQ |
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Vv = Vv |
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Vv2 Vv1 = Vv ! |
v = v1 + v2' |
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ϑ Q = exp(iϑ/2) '
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r |
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r |
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Q−1 = eiϑ/2 |
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= r cos ϑ+ϑ |
r · ϑ |
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τ+ ρ = Q ◦ (τ + ρ ) ◦ Q−1 + t + r + τ v!
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ρ = eiϑ/2 ◦ ρ ◦ e−iϑ/2 |
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A τ + ρ = X |
τ |
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Tt / * X = τ + ρ /
τ = τ + t! ρ = ρ'
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* X = τ + ρ
τ = τ = τ + t! ρ = ρ + τ v = ρ + tv + τ v'
B / Vv % 3 X X ,
τ= τ ! ρ = ρ + τ v!
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Tt Rr! r = vt' E 2
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TtRrVv ◦ ΘQTdτ Vadτ Θexp(iωdτ /2)'
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TtRrVv ◦ Tdτ ΘQ ◦ Vadτ Θexp(iωdτ /2)'
1 Tdτ 2 ! Vv
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Vadτ 3 . / % +,' ; 0
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TtRrTdτ Rvdτ Vv VQ◦a◦Q−1dτ ◦ ΘQ ◦ Θexp(iωdτ /2)'
8 % ,! / Tdτ
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TtTdτ RrRvdτ Vv VQ◦a◦Q−1dτ ◦ ΘQ ◦ Θexp(iωdτ /2)'
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Tt+dtRr+drVv+dv ◦ ΘQ+dQ = Tt+dτ Rr+vdτ Vv+Q◦a◦Q−1dτ ◦ ΘQ◦exp(iωdτ /2)'
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t + dt = t + dτ !
r + dr = r + vdτ !
v + dv = v + Q ◦ a ◦ Q−1dτ !
Q + dQ = Q ◦ eiωdτ /2'
< ! / t! r! v Q
ΛIE(τ ) = TtRrVv ◦ ΘQ / / .3
3 . ' > / 0 !
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. / dτ exp(iωdτ /2) = 1 + iωdτ /2' 6/ / ! / 3 @
dt = dτ !
dr = vdτ !
dv = Q ◦ a ◦ Q−1dτ ! dQ = iQ ◦ ωdτ /2'
F / / dτ ! / .
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dt/dτ = 1!
dr/dτ = v!
dv/dτ = Q ◦ a ◦ Q−1! dQ/dτ = Q ◦ (iω)/2'
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