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R&
D In
Nav
y Ph
ased
Arr
ay R
adar
Res
earc
h an
d D
evel
opm
ent
Rob
Sex
ton,
Nav
al S
urfa
ce W
arfa
re C
ente
r, D
ahlg
ren
Div
isio
n fo
rD
r. M
icha
el A
. Pol
lock
Offi
ce o
f Nav
al R
esea
rch,
ON
R 3
12S
urfa
ce a
nd A
eros
pace
Sur
veill
ance
Sec
ond
Nat
iona
l Sym
posi
um o
n M
ulti-
func
tion
Pha
sed
Arr
ayTe
chno
logy
Inno
vatio
n an
d D
evel
opm
ent
Nov
embe
r 18,
200
9A
ppro
ved
for P
ublic
Rel
ease
Out
line
•S
urfa
ce N
avy
Pha
sed
Arra
y E
volu
tion
•D
igita
l Arr
ay R
adar
(DA
R) P
rogr
am
•A
fford
able
Com
mon
Rad
ar A
rchi
tect
ure
(AC
RA
) Pro
gram
•N
avy
Pha
sed
Arra
y R
adar
/ M
ultif
unct
ion
Pha
sed
Arra
y R
adar
Syn
ergi
es /
Diff
eren
ces
Nav
y Ph
ased
Arr
ay R
adar
Hig
hlig
hts
•P
rimar
y N
avy
rese
arch
and
dev
elop
men
t act
iviti
es
cent
ered
on
S-b
and
phas
ed a
rray
s fo
r vol
ume
surv
eilla
nce
appl
icat
ions
from
sur
face
com
bata
nts.
•N
ear t
erm
S&
T ne
ed d
riven
by
risk
redu
ctio
n fo
r Air
and
Mis
sile
Def
ense
Rad
ar (A
MD
R) a
rea
and
balli
stic
mis
sile
de
fens
e m
ulti-
mis
sion
requ
irem
ents
–
Hig
h se
nsiti
vity
, wid
e dy
nam
ic ra
nge
and
flexi
ble
time
ener
gy
man
agem
ent
•Lo
nger
term
S&
T ne
ed d
riven
by
risk
redu
ctio
n fo
r af
ford
able
vol
ume
surv
eilla
nce
rada
r con
cept
s to
repl
ace
agin
g fle
et o
f leg
acy
long
rang
e su
rvei
llanc
e sy
stem
s
•Th
e S
&T
stra
tegy
incl
udes
pus
hing
har
dwar
e an
d so
ftwar
e O
pen
Arc
hite
ctur
e in
to th
e ra
dar,
not j
ust a
t the
rada
r /
com
bat s
yste
m in
terfa
ce
Surf
ace
Com
bata
nt M
issi
ons
Volu
me
Sear
chAi
r Con
trol
Miss
ile T
rack
/ Mid
-Co
urse
Com
mun
icatio
nsMi
ssile
Tra
ck / M
id -
Cour
seCo
mm
unica
tions
Elec
troni
c Pro
tect
ion
Elec
troni
c Pro
tect
ion
Horiz
onSe
arch
Horiz
onSe
arch
Targ
etTr
ack
Targ
etTr
ack
Targ
etIllu
min
atio
nTa
rget
Illum
inat
ion
Trac
kW
hile
Scan
Trac
kW
hile
Scan
Surfa
ceSe
arch
Surfa
ceSe
arch
Peris
cope
Dete
ctio
nPe
risco
peDe
tect
ion
Volu
me
Func
tions
Hor
izon
Fun
ctio
ns
Volu
me S
earc
hVo
lum
e Sea
rch
Airc
raft
Cont
rol
Airc
raft
Cont
rol
Ship
Sel
f-def
ense
Ship
Sel
f-def
ense
Solid
Sta
te S
PY (S
-Ban
d)
Hig
h Po
wer
Dis
crim
inat
or (X
-Ban
d)
MFR
•H
oriz
on S
earc
h•
Mis
sile
Ill
umin
atio
n
Hig
h Po
wer
D
iscr
imin
atio
n
Lon
g-R
ange
Sea
rch
Volu
me
Surv
eilla
nce
Volu
me
Surv
eilla
nce
Hig
h po
wer
, S-B
and
Adv
ance
d R
adar
(SB
AR
)H
igh
pow
er, m
ulti-
func
tion
rada
r (X
-ban
d)
Nav
y Ph
ased
Arr
ay E
volu
tion
Ana
log
Bea
mfo
rmer
Ana
log
Bea
mfo
rmer
Ana
log
Bea
m F
orm
erA
nalo
g B
eam
For
mer
T/R
T/R
T/R
T/R
T/R
T/R
T/R
T/R
LNA
LNA
Rec
.A
/DR
ec.
A/D
Rec
.A
/DR
ec.
A/D
Wav
efor
mC
ontr
ols
& C
lock
s
Wav
efor
mC
ontr
ols
& C
lock
s
Pass
ive
Arr
ayA
ctiv
eEl
emen
tD
igita
l Arr
ay
AEG
IS A
N/S
PY-1
(Cur
rent
ly D
eplo
yed)
VSR
(Cur
rent
Acq
uisi
tion)
Futu
re R
adar
•Be
am F
orm
ing
•Mul
ti-be
am o
pera
tion
•Fle
xibl
e tim
e en
ergy
man
agem
ent
•Pow
er A
pertu
re G
ain
Impr
ovem
ent
•Lar
ge h
igh
pow
er a
pertu
re
Dig
ital B
eam
For
mer
Dig
ital B
eam
For
mer
TD
DS
TD
DS
R A/DR A/D
TD
DS
TD
DS
R A/DR A/D
TD
DS
TD
DS
R A/DR A/D
Hig
h Po
wer
Am
plifi
erH
igh
Pow
erA
mpl
ifier
Wav
efor
mG
ener
ator
Wav
efor
mG
ener
ator
Wav
efor
mG
ener
ator
Wav
efor
mG
ener
ator
ON
R D
igita
l Arr
ay R
adar
(D
AR
) Pro
gram
Dig
ital R
adar
Ena
bles
Mul
tiple
S
imul
tane
ous
Bea
ms
War
fight
ing
Impr
ovem
ents
•En
ablin
g te
chno
logy
for l
arge
S-b
and
pow
er a
pert
ure
rada
rs
•Im
prov
ed ti
me
/ ene
rgy
man
agem
ent
with
mul
ti-be
am s
earc
h•
Effe
ctiv
e op
erat
ions
in th
e lit
tora
l•
Enab
les
softw
are
upgr
ades
as
new
ef
fect
ive
tech
niqu
es a
re d
isco
vere
d•
Incr
ease
d dy
nam
ic ra
nge
& s
tabi
lity
Prod
ucts
•S
ubsy
stem
s D
evel
oped
&
Test
ed in
Lab
Env
ironm
ent
–D
igita
l Rec
eive
r / E
xcite
r –
Dig
ital B
eam
form
Pro
cess
or–
Dig
ital S
igna
l Pro
cess
or
Prod
ucts
•D
AR
Tes
t Bed
•Te
st/D
emo
Tim
e of
Day
Clo
ck li
nes
DA
R S
ubsy
stem
s
Ext
erna
l Sub
syst
ems
Anal
og S
igna
l Lin
es
Dig
ital M
essa
ges
(def
ined
in D
AR
Inte
rface
Con
trol D
ocum
ent)
Dig
ital M
essa
ges
(def
ined
el
sew
here
, but
refe
renc
ed b
y D
AR IC
D)
Dig
ital M
essa
ges
to b
e de
fined
in
futu
re
Ope
n A
rchi
tect
ure
Rad
ar
Spec
ifica
tion
Rec
ordi
ng &
S
timul
us
Arr
ayA
nten
na
Dig
ital
Rec
eive
r
Dig
ital
Exc
iter
Dig
ital
Bea
mfo
rmer
Dig
ital
Wav
efor
mG
ener
ator
Dig
ital
Sig
nal
Pro
cess
or
Rad
arC
ontro
lP
roce
ssor
Nav
igat
ion
Sys
tem
Com
bat
Sys
tem
Proc
ess
Sync
hron
ous
Rad
arD
ata
over
Asy
nchr
onou
sC
OTS
Net
wor
ks
•D
ecom
posi
tion
of ra
dar i
nto
loos
ely
coup
led
subs
yste
ms
with
wel
l doc
umen
ted
inte
rface
s al
low
s•
Pot
entia
l for
acq
uisi
tion
of ra
dar s
ubsy
stem
s in
a m
ore
com
petit
ive
envi
ronm
ent
•“B
est o
f Bre
ed”s
ubsy
stem
s•
Rad
ar p
rimes
+ s
mal
ler c
ompa
nies
hav
ing
nich
e te
chni
cal
capa
bilit
ies
com
pete
for s
ubsy
stem
des
igns
•U
pgra
de c
apab
ility
ove
r tim
e•
Reu
se o
f sub
syst
ems
in o
ther
rada
r sys
tem
s•
Tim
e of
Day
con
trol o
f sub
syst
ems
faci
litat
es c
oord
inat
ion
acro
ss a
shi
p &
in th
e fu
ture
acr
oss
a ba
ttle
grou
p•
Sen
sor s
yste
ms
can
unde
rsta
nd w
hat o
ther
sen
sors
are
doi
ng in
re
al ti
me
and
adap
t acc
ordi
ngly
•E
xam
ple:
Ele
ctro
nic
Sup
port
Mea
sure
s (E
SM
) sen
sor c
an re
ceiv
e tim
e of
day
bas
ed c
ontro
l mes
sage
s fo
r rad
ar a
nd d
eter
min
e w
hat
frequ
enci
es to
avo
id a
nd w
hen
•N
o co
ntra
ctor
ow
ned
Inte
llect
ual P
rope
rty in
bas
ic
arch
itect
ure
and
inte
rface
s
Dig
ital A
rray
Rad
arA
rchi
tect
ure
Hig
hlig
hts
DA
R D
igita
l Rec
eive
r Exc
iter
AD
C C
ard
Gig
abit
Ethe
rnet
Con
trol
C
ard
Dig
ital I
nter
face
Car
d
Upc
onve
rter
Dow
ncon
vert
er
DA
C C
ard
Fisc
al Y
ear
0304
0506
07
OA
Dig
ital B
eam
For
min
g
Build
:1
23
45
Chg
Chan
nels/
Boar
d: 4
44
412
3x
Boar
ds:
12
618
9Ch
anne
ls:
2
422
5610
8 50
xBe
ams:
12
416
1616
xCo
st/Ch
anne
l: $10
K$1
0K$5
K$5
K$2
.3K 2
5%Si
ze/C
hann
el: 1U
1U0.2
5U0.2
5U0.1
U 10
%
All
inte
rfac
es a
re E
ther
net
Dig
ital P
roce
ssin
g Eq
uipm
ent
Dig
ital A
rray
Rad
ar
Test
Bed
•Te
st B
ed c
onst
ruct
ion
prog
ress
ing
from
4
-32
-64
chan
nels
ON
R A
fford
able
Com
mon
Rad
arA
rchi
tect
ure
(AC
RA
) Pro
gram
AC
RA
Com
mon
Com
pone
nts
Scal
able
Arr
ays
Rec
eive
r/Exc
iter
Sign
al /
Dat
a Pr
oces
sor
Ship
boar
dFi
xed
Phas
ed A
rray R
otat
ing
Phas
ed A
rray
�
�5
year
(FY-
09 -
FY-1
3) P
rogr
am to
Bui
ld R
isk
Red
uctio
n Pr
otot
ype
AC
RA
Arc
hite
ctur
e
Dig
ital
Exci
ter
Sign
al &
C
ontr
olPr
oces
sor
Dig
ital
Bea
mfo
rmPr
oces
sor
Nav
y PA
R a
nd M
PAR
Syne
rgy/
Diff
eren
ces
low
est
/ low
est
high
er /
high
erhi
ghes
t / h
ighe
stPu
lse
wid
th /
duty
cy
cle
narr
owes
tw
ider
wid
est
Tuna
ble
Ban
dwid
th
narr
owes
tw
ider
wid
est
Inst
anta
neou
sB
andw
idth
low
est -
larg
est
(des
ign
depe
nden
t)lo
wes
t -la
rges
t (d
esig
n de
pend
ent)
larg
er#
Sim
ulta
neou
s B
eam
shi
ghhi
ghhi
ghes
tSt
abili
ty
mod
erat
ehi
ghhi
ghes
tD
ynam
ic R
ange
low
est
high
est
high
est
Elec
trom
agne
ticC
ompa
tibili
tylin
ear (
switc
habl
e) /
circ
ular
linea
rlin
ear
Pola
rizat
ion
high
high
high
est
Sens
itivi
tyM
PAR
1N
avy
Lega
cy
Rep
lace
men
tN
avy
Hig
h Pe
rfor
man
cePa
ram
eter
1 Fro
m “M
PA
R T
rade
Stu
dies
”pre
sent
atio
n by
Mar
k W
eber
, Nat
iona
l Sym
posi
um
on M
ultif
unct
ion
Pha
sed
Arr
ay R
adar
, 12
Oct
ober
200
7
Com
men
ts o
n N
avy
PAR
/ M
PAR
Syne
rgy/
Diff
eren
ces
•M
PA
R p
ast n
otio
nal d
esig
ns a
ppea
r to
be fo
cuse
d on
la
rge
arra
ys o
f low
pow
er e
lem
ents
with
vol
ume
prod
uctio
n an
d de
sign
for m
anuf
actu
rabi
lity
appl
ied
to
cont
rol c
osts
–T/
R m
odul
e / a
rray
tech
nolo
gies
syn
ergy
with
Nav
y ap
plic
atio
ns u
ncle
ar•
Pos
sibl
e po
tent
ial f
or c
omm
on e
lem
ents
of:
–D
igita
l Rec
eive
r Exc
iter
–D
igita
l Bea
m F
orm
ing
–S
igna
l Pro
cess
ing
and
Con
trols
•A
wel
l def
ined
Ope
n A
rchi
tect
ure
wou
ld a
llow
gre
ater
op
portu
nity
for r
e-us
e ac
ross
pro
gram
s–
Wou
ld re
quire
des
ign
to s
uper
set o
f req
uire
men
ts–
Cos
t sav
ings
pot
entia
l dep
ends
on
requ
irem
ent s
peci
fics
and
volu
me
of p
urch
ase
•P
ossi
ble
to re
aliz
e co
st s
avin
gs fo
r all
parti
cipa
ting
parti
es O
R
only
for o
ne p
arty
(low
vol
ume
DoD
appl
icat
ion
with
mor
e de
man
ding
requ
irem
ent c
ould
ben
efit,
whi
le h
igh
volu
me
appl
icat
ion
with
less
dem
andi
ng re
quire
men
t mig
ht s
uffe
r)
Sum
mar
y
•P
rimar
y N
avy
rese
arch
and
dev
elop
men
t act
iviti
es
cent
ered
on
S-b
and
phas
ed a
rray
s fo
r vol
ume
surv
eilla
nce
appl
icat
ions
from
sur
face
com
bata
nts.
•N
ear t
erm
S&
T ne
ed d
riven
by
risk
redu
ctio
n fo
r Air
and
Mis
sile
Def
ense
Rad
ar (A
MD
R) a
rea
and
balli
stic
mis
sile
de
fens
e m
ulti-
mis
sion
requ
irem
ents
–
Hig
h se
nsiti
vity
, wid
e dy
nam
ic ra
nge
and
flexi
ble
time
ener
gy
man
agem
ent
•Lo
nger
term
S&
T ne
ed d
riven
by
risk
redu
ctio
n fo
r af
ford
able
vol
ume
surv
eilla
nce
rada
r con
cept
s to
repl
ace
agin
g fle
et o
f leg
acy
long
rang
e su
rvei
llanc
e sy
stem
s
•Th
e S
&T
stra
tegy
incl
udes
pus
hing
har
dwar
e an
d so
ftwar
e O
pen
Arc
hite
ctur
e in
to th
e ra
dar,
not j
ust a
t the
rada
r /
com
bat s
yste
m in
terfa
ce
Con
tact
Info
rmat
ion
•R
ob S
exto
n,
–N
aval
Sur
face
War
fare
Cen
ter D
ahlg
ren
Div
isio
n–
Em
ail:
robe
rt.d.
sext
on@
navy
.mil
•D
r. M
ike
Pol
lock
,–
Offi
ce o
f Nav
al R
esea
rch
–E
mai
l: m
icha
el.a
.pol
lock
@na
vy.m
il