The principle of ML direction finding and fourth-order cumulant s array extension is dissertated,then a new DOA estimation method based on ML estimation and fourth-order cumulant is presented.
论述了最大似然(ML)算法测向以及四阶累积量阵列扩展的基本原理,在此基础上给出了一种基于最大似然算法和四阶累积量的DOA估计新方法。
The principles of MUSIC method based on high-order cumulant and array extension were introduced.
指出了长短基线法、参差基线法、无模糊长基线三种解模糊方法的各自缺点,介绍了四阶累积量MU-SIC算法原理和阵列扩展原理,并根据阵列扩展原理提出了在较小空间内放置三阵元均匀线阵扩展的解模糊方法,并进行了Matlab仿真,验证了方法的可行性。
