用c语言实现下列的数字信号处理算法

1．离散傅里叶级数合成连续周期信号

2．DIF FFT 测试程序

3．将输入数据的幅度画出图形

4．使用FFT实现快速卷积

5．使用FFT实现快速相关

6．取样混迭演示程序

-language used to achieve the following digital signal processing algorithms 1. Discrete Fourier series synthetic signal two consecutive cycles. DIF FFT three test procedures. The input data rate of 4 paint graphics. Use FFT fast convolution 5. Use FFT fast correlation 6. Aliasing sampling Demonstration Program