This paper introduces penalty term and least square into TDSA, and gives a method that simultaneously estimates the numbers and frequencies of sinusoids signals in white gaussian noise.

• 该文在跨维模拟退火算法基础上，引入惩罚因子，通过最小二乘精简采样参数，在高斯白噪声中检测正弦信号的个数及频率。