Experimental results indicate that the method here has great improvement on the noise performance and frequency resolution and can detect effectively sinusoidals that have close-spaced frequencies.

• 仿真实验表明，本文方法具有较好的噪声稳定性和较高的频域分辨能力，能准确地检测出频率非常接近的正弦信号，具有较好的估计性能。