where iii - github pages · uav ic v w lu w want an hull real suchthatwaxntlmntysyw.tw lu.w 7tlywd...
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still I 8
Definition A Fourier series on 0,253 is an
expression f thefirm fat
zCuduct which is conga
Eleni
where factint
conges
I
iii I
to get coff en ca Et It 4 Hdtik t
e
today's thirty getty caffas the
Coard of a weakrepresentationof fat via
arth projector
Ck fat 4,9
iHermitron aka sequitur innerproduct
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121 A Hermitian inner product ona complex neckspare
Visi a mapUav IC
v w Lu w
want an Hull real
suchthatwaxntlmntysyw.twLu.w 7tLywD
and Lu Xu D Gw
Xtcand Gu twin Lu w threw
Givin It cu w
a u am EzE
ywT w I STEbi
and Su w
Def view su w7 o
Basis en semisorthogonormal if Lei ej i
ijif i j
is orthogonal if 0 else
Lei ej7 0 unless i j
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Det L is nandgemek if su v 0 onlywhew o
4,2 is pasime if suis 20 all u.to
Deke a Hermit mm product onfunctors on o za
anon pride fratesal
prod ut
via f g GITAgutdt
note HfIR Cf f Ifu lfdt
note Ldn.fm JTpnuT4mCHdtint at
n e go e inteimtdt
these are orthogonal to zip
eachotherigo eilmNtdf
if fct Ecuolnut Yoif n th
21T if men
ofmud FED 4dm Scuola
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E ColmCafu
g cholm old
cmcdm.fm
cm Lcfmuffled25cm
ImttT fut dt
SEint field
Back to discretetransfer d samply
Input signal i fCt assume periodicsampleat
N pants daytheperiod
to tu tu tu equally speed in priced
Caneucence rescale sothat to O ti l t 2
Cn EN I
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soyndpriad in Co N
what frequencies are a holy fr
From prion discussionconsider gn.ae
N nit
fezitifuynJt
oh Yt wut usefulnumbfrsamphynten
main propertyof co is
wN 1 w eatin
if we are only samphyat t o 1,2 N I
then In 44mW look sane
OhNlt od 2 IwktMt.wnttNt.wutnyty.wt
ofnut
Morali if you aretryto sample a high foamy
signal your samplerateneeds to be big as
well
alias z
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Nygoisterierion sample ratemust be more than tie
thehighest frequency youare lookingfan
IT21T
O
samphyexactly Triceas fast not
sufficient
But more than Trice isalways enough
Sore 01N sane sampledas 00
Olney
when we are tryingtoreconduct asampled
function fG
from fats itmakes senseto only
consider
o too I ION i
Ideai approximate en Cola FED
tfo Heldt
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as f m.IO ya fam Cm standsin Art
IN Coffin fsample frstandard
inunpaidutDoesthsw.sk
Sampledfunctun i f lo fld ACND
u ethinkof as acolumn vector
IIIteeninpotato fnkh wntnq.ie
j.nfeeNskedadmmpnadut en f
N I
II 3 Emp Evinn O
H Santo has'fffationsEn Y I
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A Z fo f
fiago.t
Erikt o
f
l D1
e1
IfA 4 Go 04,02,03
tT44Ytn oin.s
I
t 91,43
Eiht ethi j
int 4
n o t l ltil I l f
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I HFadi L En Eml N Sn m l
So candetermine en's by inn product
Suppose have asampled signal fee fu of f
suppose can wite it F E en En
then i en IN Lem I