单频加白噪声的随机信号分析模型，包括经典的周期图法和AR模型-Add single-frequency white noise random signal analysis model, including the classic periodogram and AR model

时间序列AR模型建立matlab源代码。一个正弦型号叠加正太白噪声信号作为系统输入-Time series AR model matlab source code. Taebaek a sinusoidal model superimposed noise signal being input as the system