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Principles of analogue modulation

Principles of analogue modulation

Principles of analogue modulation. Lecture 3. Analogue Modulation Techniques. Theory of amplitude modulation Representation of AM Power relations in the AM wave Single-sideband techniques. Amplitude Modulation.

By Olivia
(539 views)

Lecture 2: AM Transmission

Lecture 2: AM Transmission

Lecture 2: AM Transmission. Prof. Park ELC 222 Essex County College. Modulation. Modulation is the process of impressing a low-frequency intelligence signal onto a higher-frequency carrier signal. The low-frequency intelligence signal Intelligence Modulating Signal Information Signal

By duena
(357 views)

FM GENERATION

FM GENERATION

FM GENERATION. Direct Method: when the frequency of carrier is modulated by information signal Indirect Method: when the phase of carrier is modulated by information signal. Generation of FM waves. Varactor diode modulator( Direct method) Reactance modulator( Direct method)

By kendall
(3518 views)

PULSE MODULATION

PULSE MODULATION

PULSE MODULATION. PULSE MODULATION. A set of techniques where by a sequence of information-carrying quantities occurring at discrete instances of time is encoded into a corresponding regular sequence of electromagnetic carrier pulses

By reed
(312 views)

RF technology

RF technology

RF technology. Module contents. Technologies overview Spread Spectrum Direct Sequence Frequency Hopping Modulation DBPSK/DQPSK CCK. OSI Reference Model: Phy. Network Oper. System Network Layer Guarantees delivery data Drivers LLC Layer send/receive data LAN Controller MAC Layer

By inoke
(154 views)

PULSE MODULATION

PULSE MODULATION

PULSE MODULATION. CHAPTER 4 Part 1. Chapter Outline. PART 1: Basic sampling technique Generation and recovery Pulse Amplitude Modulation (PAM) Pulse Duration Modulation (PDM) Pulse Position Modulation (PPM) Advantages & Disadvantages. Sampling.

By finley
(551 views)

CS 525M – Mobile and Ubiquitous Computing Seminar

CS 525M – Mobile and Ubiquitous Computing Seminar

CS 525M – Mobile and Ubiquitous Computing Seminar. Emmanuel Agu. Wireless Physical Layer. Overview Introduction to radio waves Electromagnetic spectrum Spectrum regulation Physics of radio propagation (diffraction, fading, ISI) Differences between indoor and outdoor propagation

By molly
(109 views)

ANALOG PULSE MODULATION

ANALOG PULSE MODULATION

ANALOG PULSE MODULATION. CHAPTER 3 Ismahayati Adam. Chapter Outline. Basic sampling technique Sampling of bandpass signals Time Division Multiplexing Generation and recovery Pulse Amplitude Modulation (PAM) Pulse Duration Modulation (PDM) Pulse Position Modulation (PPM)

By bree
(803 views)

Chapter V. Amplitude Modulations

Chapter V. Amplitude Modulations

Chapter V. Amplitude Modulations. An unmodulated sinusoidal carrier signal can be described as e c (t) = E c cos2 p f c t (5-1) where E c is the peak continuous-wave (CW) amplitude and f c is the carrier frequency in hertz.

By hinto
(96 views)

COMMUNICATION SYSTEM EEEB453 Chapter 2 AMPLITUDE MODULATION

COMMUNICATION SYSTEM EEEB453 Chapter 2 AMPLITUDE MODULATION

COMMUNICATION SYSTEM EEEB453 Chapter 2 AMPLITUDE MODULATION. Dept of Electrical Engineering Universiti Tenaga Nasional. AM Transmitter. Transmitter Requirements: Generate a signal of correct freq with the right type of modulation at the right carrier freq.

By jemima-young
(298 views)

Modulation Formats

Modulation Formats

Modulation Formats. Modulation Formats. General. Optical communication systems are carrier systems . This implies that a wave of a frequency much higher than that of the information ( signal) is used to enable the

By martina-oriole
(200 views)

Data Communication and Networking

Data Communication and Networking

Data Communication and Networking. 332 Hardware Components of Data Communication. Lecture Overview. Signal Modulation AM FM PM QPSK QPM. Signal Modulation. The process of varying the electrical energy is modulation .

By latifah-jensen
(139 views)

Modulation Formats

Modulation Formats

Modulation Formats. Modulation Formats. General. Optical communication systems are carrier systems . This implies that a wave of a frequency much higher than that of the information ( signal) is used to enable the

By devin-parks
(173 views)

ELF

ELF

Wavelength. Frequency. THE ELECTROMAGNETIC SPECTRUM FROM 30 HZ TO 300 GHZ. ( = 300/f). 10 -1 m. 10 -2 m. 10 -3 m. 10 -4 m. 10 5 m. 10 4 m. 10 2 m. 10 6 m. 10 3 m. 10 7 m. 10 m. 1 m. Millimeter waves. ELF. VLF. LF. MF. HF. VHF. UHF. SHF. EHF. VF. 3 kHz.

By sheilaf
(1 views)


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