The Shape of Target Function.

<p>The Shape of Target Function.</p

The Iteration Process After PCA Optimization.

<p>The Iteration Process After PCA Optimization.</p

The Contour of Target Function.

<p>The Contour of Target Function.</p

1m BRS Estimation Error Simulation Results.

<p>1m BRS Estimation Error Simulation Results.</p

0.5m BRS Estimation Error Simulation Results.

<p>0.5m BRS Estimation Error Simulation Results.</p

Target area used in the simulation.

<p>Target area used in the simulation.</p

Simulation Parameters.

<p>Simulation Parameters.</p

Localization Error under different BRS Estimation Errors.

<p>Localization Error under different BRS Estimation Errors.</p

The comparison between proposed method and LS algorithm.

<p>The comparison between proposed method and LS algorithm.</p

Simulation results without BRS estimation error.

<p>Simulation results without BRS estimation error.</p