7 Sampling7.1 Introduction

7 Sampling7.1 Introduction

convert a continuous-time signal to a discrete-time signal, process the discrete-time signal using a discrete-time system, and then convert back to continuous time.

7 Sampling

7.1 Introduction• The Sampling theorem Spectrum of sampled signal Exact recovery using an ideal lowpass filter

• Reconstruction of a Signal from its Samples Zero-order hold First-order hold Reconstruction of a Continuous-Time Signal with a ILPF

7.1 The Sampling Theorem

7.1.1 Impulse-Train Sampling

Analog-to-Digital Encoding

7.2 Reconstruction of A Signal From Its Samples• Reconstruction of a Continuous-Time Signal with a Zero-Order Hold

7.2 Reconstruction of A Signal From Its Samples• Reconstruction of a Continuous-Time Signal with a Zero-Order Hold

7.2 Reconstruction of A Signal From Its Samples• Reconstruction of a Continuous-Time Signal with a Zero-Order Hold

7.2 Reconstruction of A Signal From Its Samples• Reconstruction of a Continuous-Time Signal with a Zero-Order Hold

7.2 Reconstruction of A Signal From Its Samples• Reconstruction of a Continuous-Time Signal with a First-Order Hold

7.2 Reconstruction of A Signal From Its Samples• Reconstruction of a Continuous-Time Signal with a First-Order Hold

Reconstruction of a Continuous-Time Signal with a First-Order Hold

Reconstruction of a Continuous-Time Signal with a ILPF

Reconstruction of a Continuous-Time Signal with a ILPF

Reconstruction of a Continuous-Time Signal with a ILPF

7.67.21 (a),(b),(f)

7.22