Keywords Array signal processing;parameter estimation;eigen-subspace;DOA;frequency;range;near-field signal sources;higher-order cumulant;color noise;determination of the number of signals;

• 阵列信号处理;参数估计;特征子空间;波达方向;频率;距离;近场信号源;高阶累积量;色噪声;信源数目估计;