Chapter Objectives Analog-to-digital signaling(PCM and delta modulation) Binary and multilevel digitals signals Spectra and bandwidths of digital signals Prevention of intersymbol interference Time division multiplexing Packet transmission

Objective-Determination- of realizable transfer function G() approximating a given frequency response specification is an important step in the development of a digital filter If an IIR filter is desired, G() should be a stable real rational function Digital filter design is the process of deriving the transfer function G

Digital Signal Processing • Signal & System • DSP system • Description for DSP FIR Filter Design & Implement • Digital Filter • Specification Design • Hardware Implementation Some Examples • Digital Down Converter • Central Processing Unit

10.1 Introduction 10.2 Pipeline interleaving in digital filters 10.3.1 Pipelining for 1st-Order IIR Filters 10.3.2 Look-Ahead Pipelining with Power-of-2 Decomposition 10.3.3 Look-Ahead Pipelining with General Decomposition 10.4 Pipelining in Higher-order IIR Digital Filters 10.5 Parallel Processing in IIR Filters

Digital Signal Processing • Signal & System • DSP system • Description for DSP FIR Filter Design & Implement • Digital Filter • Specification Design • Hardware Implementation Some Examples • Digital Down Converter • Central Processing Unit

§5.1 Digital Processing of Continuous-Time Signals §5.2 Sampling of Continuous-time Signals §5.3 Effect of Sampling in the Frequency Domain §5.4 Recovery of the Analog Signal §5.5 Implication of the Sampling Process §5.6 Sampling of Bandpass Signals §5.7 Analog Lowpass Filter Specifications §5.8 Analog Lowpass Filter Design

Digital Signal Processing Theory, method, algorithm Digital Signal Processor A kind of microprocessor used to implement digital signal processing algorithm

§5.1 Digital Processing of Continuous-Time Signals §5.2 Sampling of Continuous-time Signals §5.3 Effect of Sampling in the Frequency Domain §5.4 Recovery of the Analog Signal §5.6 Sampling of Bandpass Signals §5.7 Analog Lowpass Filter Specifications §5.8 Analog Lowpass Filter Design

5.1 Digital Processing of Continuous-Time Signals Digital processing of a continuous-time signal involves the following basic steps: (1) Conversion of the continuous-time signal into discrete-time signal, ()Processing of the discrete-time signal, (3) Conversion of the processed discrete- time signal back into a continuous-time signal

Unit 8 Computer Networking Text 1 Data Communications The end equipment can be computers, printers, keyboards, CRTs, and so on. They are generates the digital information for transmission or uses the received digital data. This equip g