'Radio wave' diaporamas de présentation

CWNA Guide to Wireless LANs, Second Edition

CWNA Guide to Wireless LANs, Second Edition. Chapter Three How Wireless Works. Objectives. Explain the principals of radio wave transmissions Describe RF loss and gain, and how it can be measured List some of the characteristics of RF antenna transmissions

988 views • 89 slides

Electromagnetic Waves

Electromagnetic Waves. Chp. 12 Section 1 What are electromagnetic waves?. Electromagnetic Waves. Section 1 slides 3- 31 What are electromagnetic waves? Section 2 slides 32-59 The Electromagnetic Spectrum Section 3 slides 60-69 Radio Communication. What are electromagnetic waves?.

873 views • 74 slides

WELCOME

WELCOME. ELEMENT 3 SUBELEMENT. SUBELEMENT G1 COMMISSION'S RULES 5 Exam Questions-5 Groups] 60 Questions SUBELEMENT G2 OPERATING PROCEDURES [5 Exam Questions-5 Groups] 59 Questions SUBELEMENT G3 RADIO WAVE PROPAGATION [3 Exam Questions-3 Groups] 41 Questions

798 views • 53 slides

CWNA Guide to Wireless LANs, Second Edition

CWNA Guide to Wireless LANs, Second Edition. Chapter Three How Wireless Works. Objectives. Explain the principals of radio wave transmissions Describe RF loss and gain, and how it can be measured List some of the characteristics of RF antenna transmissions

670 views • 52 slides

CWNA Guide to Wireless LANs, Second Edition

CWNA Guide to Wireless LANs, Second Edition. Chapter Three How Wireless Works. Objectives. Explain the principals of radio wave transmissions Describe RF loss and gain, and how it can be measured List some of the characteristics of RF antenna transmissions

635 views • 52 slides

Technician License Class

Technician License Class. Chapter 2 Radio Signals & Fundamentals. System of Metric Units. Tera T 10 12 1,000,000,000,000 Giga G 10 9 1,000,000,000 Mega M 10 6 1,000,000 Kilo k 10 3 1,000 Basic Unit 10 0 1 Milli m 10 -3 0.001 Micro ? 10 -6 0.000001

621 views • 48 slides

The Workings of the Internet

The Workings of the Internet. CECS 5030 with Cathie Norris, Jennifer Smolka & Gerald Knezek. Overview. Layered Organization Topologies Network Transports Access Methods Routing. ISO/OSI Model . Developed by International Organization for Standardization in 1974

642 views • 47 slides

The Electromagnetic Spectrum

The Electromagnetic Spectrum. A Very Short Discussion of Waves. Waves. Waves are pure energy. Waves carry energy from place to place. Examples of waves are Heat Sound Light Water. Characteristics of Waves. All waves have Wavelength ( l ) Amplitude

542 views • 32 slides

Quiz on Thursday

Introduction to Physical Science Monday, Wednesday, Thursday Tom Burbine tomburbine@astro.umass.edu. Quiz on Thursday. Magnetism Waves Light c = ? * f E = h*f Electromagnetic spctrum Doppler shift. Wave. Something that vibrates in space and time Light acts as a wave

406 views • 32 slides

KS4 Waves: Total Internal Reflection and Communication

KS4 Waves: Total Internal Reflection and Communication. LEARNING OUTCOMES: Describe what happens to light incident on a perspex/glass-air surface both above and below the critical angle of incidence and describe how light is reflected at the inner face of a right-angled prism.

564 views • 31 slides

Chapter 19: Between the Stars: Gas and Dust in Space

Chapter 19: Between the Stars: Gas and Dust in Space. Gas and Dust in Space. To understand how stars are born, we begin by learning about the raw material from which they are made. Interstellar matter : gas and dust that lies in the regions between stars.

497 views • 31 slides

(An Advancement toward Solar Energy Harvesting Technologies)

Porphyrin Research at the Evergreen State College: The Synthesis, Separation, Isolation and Characterization of Di-functional meso-substituted Porphyrins. (An Advancement toward Solar Energy Harvesting Technologies). Introduction.

465 views • 30 slides

Sistem Komunikasi

Sistem Komunikasi. oleh Risanuri Hidayat. Pengantar. Telekomunikasi = komunikasi yang dipisahkan oleh jarak Ada 3 komponen utama : Isyarat Komunikasi Kanal Komunikasi Jaringan Komunikasi. Isyarat Komunikasi. Isyarat Komunikasi.

687 views • 27 slides

Lecture 24

Physics 2102 Jonathan Dowling. Lecture 24. EM waves Geometrical optics. EM spherical waves.

417 views • 19 slides

Ultra-high energy neutinos generated in GZK(Greisen- Zatsepin - Kuzmin ) Process

Measurement of a phase of a radio wave reflected from rock salt and ice irradiated by an electron beam for detection of ultra-high-energy neutrinos.

296 views • 17 slides

The Electromagnetic Spectrum

The Electromagnetic Spectrum. PHYSICS 1. Somnath Bharadwaj and Pratik Khastgir, Department of Physics and Meteorology, IIT Kharagpur, 721 302 India http://www.cts.iitkgp.ernet.in/~phy1/. Radio wave. Less than 1 GHz. Microwave. 1 GHz to 3 ? 10 11 Hz. 30 cm to 1 mm.

272 views • 17 slides

Terrestrial Microwave TK2133 A103418 Lee Hau Sem A103411 Lai Horng Meau

Terrestrial Microwave TK2133 A103418 Lee Hau Sem A103411 Lai Horng Meau What is Terrestrial Microwave ?

979 views • 16 slides

Radio

Radio. Introductory Question. If you took an electrically charged ball and shook it up and down rapidly, charges in a nearby metal object would move in response. How far away could that metal object be and still respond? 1 meter 1 kilometer The other side of the universe.

254 views • 15 slides

Pei-Ann Lin and PJ Velez December 13, 2011

254 views • 11 slides

Communication System

Communication System. Joey Porter. Input . A sound wave is produced with a frequency of 5 Hz - 20 kHz. A microphone converts the sound wave into an electrical signal .

141 views • 6 slides