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《Journal of Anhui University(Natural Sciences)》 2003-02
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A novel approach to fast DOA estimation with sensor gain and phase perturbations

GU Juan-juan(Department of Computer and Information Engineering, Hefei Association University, Hefei230022, China)  
A novel approach, which is totally different from the traditional methods, for estimating directions-of-arrival (DOA) of multiple spatial narrow-band signals is presented in this paper. Based on fast Fourier transforms (FFT) of the sensor array output data, a relationship between the FFT spectrum and direction-of-arrival angles is established so that the angles can quickly be estimated through searching peaks in the FFT spectrum. In addition, the performance of the proposed approach with sensor gain and phase perturbations is also discussed. Computer simulations confirm the availability of the proposed approach.
【Fund】: 合肥联合大学自然科学研究资助项目
【CateGory Index】: TN911.7
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