已知一个连续周期信号x (t) = 1 – cos (πt) + 2sin (2πt) + cos (3πt),用DFT 计算 其频谱.已知一个连续周期信号x (t) = 1 – cos (πt) + 2sin (2πt) + cos (3πt),用DFT 计算其频谱.信号基频W =π,周期T0=2;最高
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 12:07:40
![已知一个连续周期信号x (t) = 1 – cos (πt) + 2sin (2πt) + cos (3πt),用DFT 计算 其频谱.已知一个连续周期信号x (t) = 1 – cos (πt) + 2sin (2πt) + cos (3πt),用DFT 计算其频谱.信号基频W =π,周期T0=2;最高](/uploads/image/z/9931175-71-5.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%80%E4%B8%AA%E8%BF%9E%E7%BB%AD%E5%91%A8%E6%9C%9F%E4%BF%A1%E5%8F%B7x+%28t%29+%3D+1+%E2%80%93+cos+%28%CF%80t%29+%2B+2sin+%282%CF%80t%29+%2B+cos+%283%CF%80t%29%2C%E7%94%A8DFT+%E8%AE%A1%E7%AE%97+%E5%85%B6%E9%A2%91%E8%B0%B1.%E5%B7%B2%E7%9F%A5%E4%B8%80%E4%B8%AA%E8%BF%9E%E7%BB%AD%E5%91%A8%E6%9C%9F%E4%BF%A1%E5%8F%B7x+%28t%29+%3D+1+%E2%80%93+cos+%28%CF%80t%29+%2B+2sin+%282%CF%80t%29+%2B+cos+%283%CF%80t%29%2C%E7%94%A8DFT+%E8%AE%A1%E7%AE%97%E5%85%B6%E9%A2%91%E8%B0%B1.%E4%BF%A1%E5%8F%B7%E5%9F%BA%E9%A2%91W+%EF%BC%9D%CF%80%2C%E5%91%A8%E6%9C%9FT0%EF%BC%9D2%EF%BC%9B%E6%9C%80%E9%AB%98)
x){}KhxcՋ^tgs?ٿi
M[CG
47 E34<1|
>_7]i붗&ذQ!쁘t. ?\t 6 yF~66IE>lXj#ѡl&