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RSS FeedsSensors, Vol. 19, Pages 335: Joint Estimation of DOA and Frequency of Multiple Sources with Orthogonal Coprime Arrays (Sensors)

 
 

15 january 2019 19:00:23

 
Sensors, Vol. 19, Pages 335: Joint Estimation of DOA and Frequency of Multiple Sources with Orthogonal Coprime Arrays (Sensors)
 


A two-stage method is proposed to jointly estimate the direction-of-arrival (DOA) and carrier frequency (CF) of multiple sources, by using two orthogonal coprime arrays (CPAs). The DOAs of CF-known sources are estimated first by applying a spatial smoothing MUSIC algorithm. The contribution of these source signals is then removed from the originally received signal by applying an orthogonal complement projector. Next, a joint-ESPRIT algorithm is applied to estimate the DOAs and CFs of the remaining CF-unknown sources. With two orthogonal CPA(5, 6), the RMSE of DOA and CF of applying the proposed method to 30 sources, 13 of which have unknown CF, is less than 1% at SNR > 5 dB.


 
60 viewsCategory: Chemistry, Physics
 
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