statistikuri funqciebi monacemTa analizisaTvis - ieeetsu
statistikuri funqciebi monacemTa analizisaTvis - ieeetsu
statistikuri funqciebi monacemTa analizisaTvis - ieeetsu
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5. normalurad ganawilebuli SemTxveviTi sidideebi saSualoTi 0 da<br />
dispersiiT 2.0<br />
6. SemTxvevoTi sidideebi normaluri ganawilebiT saSualoTi 0 da dispersiiT<br />
0.5<br />
7. SemTxvevoTi sidideebi normaluri ganawilebiT saSualoTi –2.5 da dispersiiT<br />
0.5<br />
signalis xmaurTan Sefardebis gamoTvla<br />
Tanafardoba signali/xmauri aris signalis simZlavris Tanafardoba xmauris<br />
simZlavresTan. sailustraciod SevqmnaT 201 elementiani veqtori signali,<br />
romelic warmoadgensa sinusoidisa da Tanabrad ganawilebuli xmauris jams<br />
(nax. 13)<br />
t=(0:0.01:2); N=length(t);<br />
s1=5*sin(2*pi*t);<br />
s2= rand(1,201);<br />
s=s1+s2;<br />
plot(t,s);<br />
axla SegviZlia gamovTvaloT signalis xmaurTan Tanafardoba,<br />
amisaTvis calke viangariSebT sinusoidaluri signalis simZlavres da<br />
calke xmaurisas da gamoviangariSebT maT Sefardebas:<br />
snr= sum(s1.^2)/N/(sum(s2.^2)/N)<br />
6<br />
4<br />
2<br />
0<br />
-2<br />
-4<br />
-6<br />
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2<br />
nax. 13 sinusoiduri signali xmauriT.<br />
ganxiluli brZanebebi da <strong>funqciebi</strong><br />
Cumprod<br />
Cumsum<br />
hist<br />
max<br />
mean<br />
median<br />
min<br />
prod<br />
rand<br />
randn<br />
sort<br />
std<br />
sum<br />
gansazRvravs kumulaciur namravls<br />
gansazRvravs kumulaciur jams<br />
agebs histogramas<br />
gansazRvravs udides mniSvnelobas<br />
gansazRvravs saSualo mniSvnelobas<br />
gansazRvravs medianas mniSvnelobas<br />
gansazRvravs umcires mniSvnelobas<br />
gansazRvravs <strong>monacemTa</strong> namravls<br />
gansazRvravs [0 1] intervalSi Tanabrad ganawilebul SemTxveviT<br />
ricxvebs<br />
gansazRvravs normalurad ganawilebul SemTxveviT ricxvebs<br />
(nulovani saSualoTi da erTis toli dispersiiT)<br />
zrdis mixedviT daalagebs monacemebs<br />
gamoiTvlis standartul gadaxras<br />
gansazRvravs <strong>monacemTa</strong> jams
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