第2章 信号变换 67

2.1 Z变换及MATLAB实现 67

2.1.1 Z变换的定义 68

2.1.2 Z变换的收敛域 68

2.1.3 Z逆变换 70

2.1.4 Z变换的性质 72

2.1.5 Z变换的工程应用 74

2.2 Chirp Z变换及MATLAB实现 77

2.2.1 Chirp Z变换的定义 77

2.2.2 Chirp Z变换的计算方法 79

2.2.3 Chirp Z变换的MATLAB实现 80

2.3 离散傅里叶变换及MATLAB实现 82

2.3.1 离散傅里叶变换定义 82

2.3.2 离散傅里叶变换的MATLAB实现 84

2.3.3 离散傅里叶变换性质 86

2.3.4 离散傅里叶变换的FFT算法 95

2.3.5 离散傅里叶变换FFT算法的应用 98

2.4 DCT变换及MATLAB实现 99

2.4.1 DCT变换的定义 100

2.4.2 DCT变换的MATLAB实现 101

2.5 Hilbert变换及MATLAB实现 103

2.5.1 Hilbert变换的定义 103

2.5.2 Hilbert变换的MATLAB实现 104

2.5.3 Hilbert变换的性质 105-Chapter 2, the signal transform 67

2.1 Z transform, and MATLAB to achieve 67

2.1.1 Z transform definition 68

2.1.2 Z transform domain of convergence 68

2.1.3 Z inverse transform 70

2.1.4 Z transform the nature of the 72

2.1.5 Z 74 Transform Application

2.2 Chirp Z transform, and MATLAB to achieve 77

2.2.1 Chirp Z transform definition 77

2.2.2 Chirp Z transform method 79

2.2.3 Chirp Z Transform MATLAB to achieve 80

2.3 Discrete Fourier Transform and MATLAB to achieve 82

82 2.3.1 Definition of Discrete Fourier Transform

2.3.2 MATLAB Implementation of Discrete Fourier Transform 84

2.3.3 Discrete Fourier transform 86

2.3.4 Discrete Fourier Transform FFT algorithm 95

2.3.5 Discrete Fourier Transform FFT algorithms in the 98

2.4 DCT transform, and MATLAB to achieve 99

2.4.1 DCT transform definition 100

2.4.2 DCT Transform MATLAB Implementation 101

2.5 Hilbert Transform and MATLAB Implementation 103

2.5.1 Hilbert transform definition 103

2.5.2 Hilbert Transform MATLAB Im