PPT-Angle Modulation

Introduction There are three parameters of a carrier that may carry information Amplitude Frequency Phase Frequency and Phase modulation are closely related and grouped together as Angle modulation. 2 and 43 of S Haykin and M Moher Introduction to Analog Digital Communications 2nd ed John Wiley Sons Inc 2007 ISBN13 9780471432227 Professor Deepa Kundur University of Toronto Properties of Angle Modulation 2 25 Angle Modulation Phase Modulation Objectives. State the triangle angle sum theorem and solve for an unknown angle in a triangle. Classify triangles based on measures of angles as well sides. State the triangle exterior angle theorem and solve for an unknown exterior angle of a triangle. Objectives. State the triangle angle sum theorem and solve for an unknown angle in a triangle. Classify triangles based on measures of angles as well sides. State the triangle exterior angle theorem and solve for an unknown exterior angle of a triangle. Husheng Li. The University of Tennessee. Phase and Frequency Modulation. Consider the standard CW signal. We define the total instantaneous angle. Phase and Frequency Modulation. Phase modulation (PM). Husheng Li. The University of Tennessee. Chopper Sampling . We introduce a switching function such that . x_s. (t)=x(t)s(t), where. Nyquist. Criterion. The sampling rate should be at least twice the bandwidth of the signal, in order to fully reconstruct the signal.. Analog data to analog signal. (AM, FM, PM). Digital data to analog signal. (ASK, FSK, BPSK, QAM). Analog data to digital signal. (PCM, DM). Digital data to digital signal. (line codes). Signal Encoding Techniques (modulation and encoding). Exchange of information from point A to point B. 100001101010001011101. 100001101010001011101. Transmit. Receive. Wireless Communication. Exchange of information from point A to point B. 100001101010001011101. Amplitude Modulation (AM). Time domain equation. y. AM. (t. ) = . Information or message x carrier. . = . m(t) . x A cos(w. c. t. ). . Frequency domain equation. Double . sideband . As latitude increases, average sun angle at solar noon . decreases. . . As latitude increases, average sun angle at solar noon . increases. .. Averaged over a full year, sun angle at solar noon is the . Repeatedly and Continually. Objectives:. Students will be able to use the adjective modulation of VERY and repeated and continuous forms of verbs and match them with their corresponding time signs.. Students will be able to sign the vocabulary correctly using MOPSE and be able to interpret the vocabulary when signed in lists and in sentences. . Lecture . 1-7. University of . Mustansiriyah. College of Engineering. Department of Computer Engineering . Lecture 2– 2019/1440. By: Elham Sunbu. OUTLINE. Modulation. Analog Modulation.. AM. FM. PM. Digital Modulation.. Modulation. Operation of varying amplitude, frequency or phase of carrier signal accordingly with the instantaneous amplitude of the message signal.. Example: ASK, FSK, PSK, QAM. Binary digital modulation. Multilevel digital modulation. Amplitude Shift Keying. Binary-ASK --- BASK. Or On-Off Keying OOK. Uses two amplitude levels for the modulated carrier . Prof. Brian L. Evans. Dept. of Electrical and Computer Engineering. The University of Texas at Austin. 15 - . 2. Introduction. Digital Pulse Amplitude Modulation (PAM). Modulates digital information (symbols) onto amplitude of pulse.