'Dipole antenna' diaporamas de présentation

MSIT 413: Wireless Technologies Week 3

MSIT 413: Wireless Technologies Week 3. Michael L. Honig Department of EECS Northwestern University. January 2011. Cellular Frequency Assignments. B. A. C. E. D. G. A. C. B. F. D. G. A. C. B. E. F. D. G. C. B. E. F. D. G. A. C. B. E. D. G. A. C. B. F. G. A.

1.29k views • 114 slides

Ch. 7 - Antennas

Ch. 7 - Antennas. Cisco Fundamentals of Wireless LANs version 1.1 Rick Graziani Cabrillo College. Overview. Everything about antenna choice involves a tradeoff. If maximum range is desired, coverage must be traded.

1.12k views • 91 slides

Basic Antenna Theory and Concepts

Basic Antenna Theory and Concepts. ICS 620 Communication Technologies Class #11. Introduction. An antenna is an electrical conductor or system of conductors Transmission - radiates electromagnetic energy into space Reception - collects electromagnetic energy from space

7.25k views • 75 slides

Technician Licensing Class

773 views • 65 slides

INTRODUCTION

INTRODUCTION. TO. What is an antenna?. A metallic apparatus for sending and receiving electromagnetic waves . A usually metallic device (as a rod or wire) for radiating or receiving radio waves . A transitional structure between free-space and a guiding structure.

956 views • 55 slides

ANTENNA

ANTENNA BASICS AND TYPES

1.09k views • 52 slides

Chapter 3:Principle of Radar Observation ?????????

Chapter 3:Principle of Radar Observation ?????????. Radar system: Transmitter, Receiver, Antenna, and Display of data Scattering theory, Mie scattering. MOPA: master oscillator and power amplifier: Transmitter.

1.04k views • 48 slides

568 views • 40 slides

In-Cabin WiFi Channel Channel: Preliminary Ray Tracing Simulations

In-Cabin WiFi Channel Channel: Preliminary Ray Tracing Simulations . Date: 14-July-2014. Authors:. * The contributors were with Carnegie Mellon University when the research project was conducted. Wireless on the go. Source: http://www.internet-go.com/. Motivation.

446 views • 27 slides

Dipolo Infinitesimal

554 views • 26 slides

355 views • 23 slides

Matching Techniques and Baluns

Matching Techniques and Baluns. INEL 5305 Dr. Sandra Cruz-Pol ECE, UPRM. Ref. Balanis sect. 9.8, 14.8. Matching Techniques. Matching over the desired frequency range when connecting the T.L. to the antenna Types Stub-matching l /4 transformer: single or multiple. Z o (real).

418 views • 19 slides

331 views • 19 slides

Towards Radar-Enabled Sensor Networks

240 views • 16 slides

History

History. Justin Project Justin Moninger Car Accident Different Technologies 300Mhz 433mhz. Version 1.0. Transmitter/Receiver 433Mhz Accelerometer Comparator Dip Switches. Accomplishments. Goals Met No User Input Range $$$ - Cheap Weather Proof. Issues and Problems. Problems

261 views • 15 slides

OFF-CENTER FED ANTENNAS AND/OR MULTIBAND ANTENNAS

OFF-CENTER FED ANTENNAS AND/OR MULTIBAND ANTENNAS. G5RV vs. Windom. out to about 200 to 300 miles. The many purposes for NVIS propagation includes. What is NVIS?. ?. NVIS stands for Near. -. Vertical Incidence Skywave. radio propagation. A Little Bit Of History.

533 views • 14 slides

Lecture 6: Antennas

375 views • 8 slides

Sky noise measurement s with a dual polarization active dipole antenna

232 views • 8 slides

Physics 22: Electromagnetic Waves

Physics 22: Electromagnetic Waves. Christopher Chui. Changing Electric Fields produce Magnetic Fields. James Clerk Maxwell (1831-1879) made predictions of electromagnetic waves and unified all phenomena of electricity and magnetism

294 views • 5 slides

10 th PISA meeting on Advanced Detectors, May 21-27 2006

82 views • 1 slides