'Polar nrz' presentation slideshows

ECOM 4314 Data Communications Fall September, 2010

ECOM 4314 Data Communications Fall September, 2010. Lecture #4 Outline. DIGITAL-TO-DIGITAL CONVERSION Line Coding Line Coding Schemes Block Coding Scrambling. DIGITAL-TO-DIGITAL CONVERSION. A computer network is designed to send information from one point to another.

1k views • 72 slides

Chapter 4 Digital Transmission

Chapter 4 Digital Transmission. Data Analog: Continuous value data (sound, light, temperature) Digital: Discrete value (text, integers, symbols) Signal Analog: Continuously varying electromagnetic wave Digital: Series of voltage pulses (square wave). Components of Data Communication.

959 views • 59 slides

CHAPTER 3 PULSE MODULATION

CHAPTER 3 PULSE MODULATION. 3.7 Pulse Code Modulation 3.8 Noise in PCM Systems 3.9 Time Division Multiplexing 3.10 Digital Multiplexers 3.11 Modifications of PCM. Outline. This part deals with the most basic form of digital modulation.

920 views • 52 slides

CHAPTER 3 PULSE MODULATION

CHAPTER 3 PULSE MODULATION. 3.7 Pulse Code Modulation 3.8 Noise in PCM Systems 3.9 Time Division Multiplexing 3.10 Digital Multiplexers 3.11 Modifications of PCM. Outline. This part deals with the most basic form of digital modulation.

544 views • 52 slides

Lecture. 3 Data Transmission and Computer Communications.

Lecture. 3 Data Transmission and Computer Communications. DIGITAL-TO-DIGITAL CONVERSION. A computer network is designed to send information from one point to another. This information needs to be converted to either a digital signal or an analog signal for transmission.

574 views • 40 slides

Digital Data and Digital Signal

Digital Data and Digital Signal. Digital Data is converted to digital signal for transmission . There are three types of coding methods: Line Coding Block Coding Scrambling. Characteristics of Encoding Schemes. No. of signal levels Bit rate and baud rate DC component Signal Spectrum

409 views • 33 slides

ECE 4331, Fall, 2009

511 views • 32 slides

Polar NRZ-L, NRZ-I, RZ schemes

Polar NRZ-L, NRZ-I, RZ schemes. The voltages are on the both sides of the time axis NRZ-L (Non Return to Zero-Level): The level of the voltage determines the value of the bit NRZ-I (Non Return to Zero-Invert): If the bit is 0 there is no change; if the bit is 1 there is a change

641 views • 15 slides