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References

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  1. B. D. Duncan and M. P. Dierking, “Holographic aperture ladar,” Appl. Opt. 48, 1168–1177 (2009).
    [CrossRef]
  2. S. M. Venable, B. D. Duncan, M. P. Dierking, and D. J. Rabb, “Demonstrated resolution enhancement capability of a stripmap holographic aperture ladar system,” Appl. Opt. 51, 5531–5542 (2012).
    [CrossRef]

2012

S. M. Venable, B. D. Duncan, M. P. Dierking, and D. J. Rabb, “Demonstrated resolution enhancement capability of a stripmap holographic aperture ladar system,” Appl. Opt. 51, 5531–5542 (2012).
[CrossRef]

2009

B. D. Duncan and M. P. Dierking, “Holographic aperture ladar,” Appl. Opt. 48, 1168–1177 (2009).
[CrossRef]

Dierking, M. P.

S. M. Venable, B. D. Duncan, M. P. Dierking, and D. J. Rabb, “Demonstrated resolution enhancement capability of a stripmap holographic aperture ladar system,” Appl. Opt. 51, 5531–5542 (2012).
[CrossRef]

B. D. Duncan and M. P. Dierking, “Holographic aperture ladar,” Appl. Opt. 48, 1168–1177 (2009).
[CrossRef]

Duncan, B. D.

S. M. Venable, B. D. Duncan, M. P. Dierking, and D. J. Rabb, “Demonstrated resolution enhancement capability of a stripmap holographic aperture ladar system,” Appl. Opt. 51, 5531–5542 (2012).
[CrossRef]

B. D. Duncan and M. P. Dierking, “Holographic aperture ladar,” Appl. Opt. 48, 1168–1177 (2009).
[CrossRef]

Rabb, D. J.

S. M. Venable, B. D. Duncan, M. P. Dierking, and D. J. Rabb, “Demonstrated resolution enhancement capability of a stripmap holographic aperture ladar system,” Appl. Opt. 51, 5531–5542 (2012).
[CrossRef]

Venable, S. M.

S. M. Venable, B. D. Duncan, M. P. Dierking, and D. J. Rabb, “Demonstrated resolution enhancement capability of a stripmap holographic aperture ladar system,” Appl. Opt. 51, 5531–5542 (2012).
[CrossRef]

Appl. Opt.

B. D. Duncan and M. P. Dierking, “Holographic aperture ladar,” Appl. Opt. 48, 1168–1177 (2009).
[CrossRef]

S. M. Venable, B. D. Duncan, M. P. Dierking, and D. J. Rabb, “Demonstrated resolution enhancement capability of a stripmap holographic aperture ladar system,” Appl. Opt. 51, 5531–5542 (2012).
[CrossRef]

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Figures (2)

Fig. 1.
Fig. 1.

HAL transformation geometry.

Fig. 2.
Fig. 2.

Example of the corrected spotlight HAL transformation applied to five sequentially collected phase-only field segments resulting from an off-axis point target. In this case, the RX aperture overlaps itself by half its diameter during each subsequent TX–RX cycle. Monostatic conditions apply.

Equations (12)

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gsp=C{f(ξ,η)exp(jπλRo[(ξxT)2+(ηyT)2])exp(j2πλRo[ξxT+ηyT])hRo(ξ,η)},
gsp=C{f(ξ,η)exp(jπλRo[ξ2+η2])exp(j2πλRo[ξxT+ηyT])hRo(ξ,η)}.
gsp(xa)=Cf(ξ)exp(jπλRoξ2)exp(j2πλRoξxT)exp(jπλRo(xaξ)2)dξ=Cexp(jπλRoxa2)f(ξ)exp(j2πλRoξ2)exp(jpξ)dξ,
=Cexp(jπλRoxa2)F(xa+xT),
p=2πλRo(xa+xT)[rad/m],
go(xa)=Cexp(jπλRoxa2)F(xa).
go(xa+xT)=Cexp(jπλRo(xa+xT)2)F(xa+xT)=[Cexp(jπλRoxa2)F(xa+xT)]exp(jπλRoxT2)exp(j2πλRoxaxT)=gsp(xa)exp(jπλRoxT2)exp(j2πλRoxaxT),
go(xa+xT,ya+yT)=gsp(xa,ya)exp(jπλRo(xT2+yT2))exp(j2πλRo(xaxT+yayT)).
gpsp(xa)=Cexp(j2πλRo[xa22+ξp2ξp(xa+xT)]),
gpo(xa)=Cexp(j2πλRo[xa22+ξp2ξpxa]).
Deffsp=2DSAR+Dap,
ISRsp=DeffspDap=2DSARDap+1=N,

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