PPT-Chapter 2: Time/Frequency analysis of communication signals and systems

Carrier is strong and stable sinusoidal signal xt A cos w c t q Carrier transports information audio video text email across the world Why is the carrier required Audio and video signals cannot travel over large distances since they are weak. Stochastic processes Probability theory random processes power spectral dens ity Gaussian process Modulation and encoding Basic modulation techniques and binary data transmission AM FM Pulse Modulation PCM DPCM Delta Modulation Information theory In And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students 34 030 brPage 9br Chapter 4 17 Overvoltages in Power Systems Four Main Features of Lightning Protection Chapter 4 18 Overvoltages in Power Systems Lightning Step Voltage Step Voltage brPage 10br Chapter 4 19 Overvoltages in Power Systems Frequency In this lecture we discuss these signals and then proceed to a discussion of sys tems first in general and then in terms of various classes of systems defined by specific system properties The unit step both for continuous and discrete time is zero Examples of signals:. Voltage output of a RLC circuit, stock market, ECG, speech, sequences of bases in a gene, MRI or CT scan. Examples of systems:. RLC circuit, an algorithm for predicting future of stock market, an algorithm for detecting abnormal heart rhythms, speech understanding systems, edge detection algorithm for medical images.. generations. First generation systems utilized . frequency axis. . to separate . users into different channels. Second generation systems added . time axis . to increase number of . users in eac. h channel. Introduction. One of the major functions of physical layer is to move data in the form of electromagnetic signals across a transmission medium.. Thus, the data must be transformed to electromagnetic signals to be transmitted.. Instructor: . Dr. Ghazi Al Sukkar. Dept. of Electrical Engineering. The . University of Jordan. Email: . ghazi.alsukkar@ju.edu.jo. 1. Fall 2014. 2. Course Details. Objective. Establish a background in Signal and System Analysis. Human Factors, Weak Signals and Communication H3SE integration kit Module TCT 4.1 Module objectives H3SE integration kit - TCT 4.1 – Human Factors, Weak Signals and Communication – V2 2 At the end of this half-day module: Overview. Communication is a battle between signal and noise/distortion. Chapter 1 . Summary. Information representation. Communication system block diagrams. Analog versus digital systems. Performance metrics. BY . Mr.Sukchatri Prasomsuk. Contents :. 3.1 Analog and Digital. 3.2 Periodic and Aperiodic Signals. 3.3 Analog Signals. 3.4 Time and Frequency Domains. 3.5 Composite Signals. 3.6 Digital Signals. Chapter-2 : Signals & Systems . Review. Marc Moonen & . Toon. van . Waterschoot. Dept. E.E./ESAT-STADIUS, KU Leuven. marc.moonen@kuleuven.be. www.esat.kuleuven.be. /. stadius. /. Chapter-2 : Signals & Systems Review. Microwaves:. Microwaves are electromagnetic waves with a frequency with wavelengths ranging from one meter to one millimeter (frequencies between 300 MHz and 300 GHz).. Microwaves are ideal when large areas need to be covered and there are no obstacles in the path.. School of Electrical . Engineering. DHA Suffa University, Karachi, Pakistan. email: . imtiaz.hussain@faculty.muet.edu.pk. URL :. http://imtiazhussainkalwar.weebly.com/. Lecture-1. Introduction. Note: .