Acoustic Source Localization and Beamforming: Theory and Practice
Acoustic Source Localization and Beamforming: Theory and Practice
Acoustic Source Localization and Beamforming: Theory and Practice
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Circular-array Circular array (far-field (far field case)<br />
r [ sin , cos ]<br />
p<br />
Geometry factor:<br />
p<br />
p<br />
T<br />
2<br />
R /<br />
Penalty term due to the unknown speed:<br />
SNR factor:<br />
2<br />
2<br />
2<br />
2 N<br />
The CRB for DOA estimation is<br />
independent of the speed <strong>and</strong><br />
source direction !<br />
L<br />
v<br />
k<br />
/ 2<br />
1<br />
( 2<br />
k<br />
S<br />
c<br />
p<br />
zv<br />
( k)<br />
/ N )<br />
s<br />
1<br />
2<br />
0
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