现代数字信号处理-谱估计-bt法-matlab程序源代码-Modern digital signal processing- spectral estimation-bt method-matlab source code

产生随机信号观测样本，不同信噪比和归一化频率。分别用BT法和周期图法估计功率谱密度。-Generate random signal observation samples, different signal to noise ratio and normalized frequency.Using method of BT and cycle diagram method to estimate the power spectral density.