Research on Two-dimensional Arrival Angle Estimation Using MUSIC Algorithm Based on L Array

Array signal processing makes good use of spatial signals with array antenna,which receives more information of signals than just one antenna,and is good for extracting the information such as time difference,phase difference and direction of arrival,so it has been widely used in communication,radar and electronic warfare,etc.Spatial spectrum estimation is an important area in array signal processing,it overcomes the problem of Rayleigh limit in the conventional beam-forming method and has the excellent merits,such as ability to estimate multiple sources at the same time,high resolution ability and so on.So estimating multi-parameters of multi-signals is very important.