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40 Meter Mini-MOXON Beam Antenna At W7XA - CADXA Home

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40 Meter Mini-MOXON Beam Antenna At W7XA - CADXA Home

40 Meter Mini-MOXON Beam Antenna Designed, built, and presented by: Al Koblinski W7XA Design goals Some forward gain Good directivity (high F/B and F/S ratios ...

http://cadxa.org/LinkClick.aspx?fileticket=xncaVKN3dNQ%3d&tabid=68&mid=538

Date added: October 29, 2012 - Views: 88

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PowerPoint Presentation

P.W. Gorham et al.. TEST BEAM A SLAC Time relative to beam entry Antenna V/Vrms Time relative to beam entry Antenna V/Vrms close to shower maximum shower nearly ...

http://kicp-workshops.uchicago.edu/mw-2010/pdf/7-gorham.ppt

Date added: August 11, 2013 - Views: 2

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HELIX ANTENNAS - Chapter 70 Home

... large arrays of helix antennas for radio astronomy “the dimensions of the helix are so non-critical that the helical beam antenna ... V E3NPC Helix Antenna ...

http://qcwa70.org/HELIX%20ANTENNAS.ppt

Date added: October 19, 2011 - Views: 101

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Wire Antennas - South Canadian Amateur Radio Society (SCARS ...

The Wonderful World of Antennas. ... Inverted L, V-Beam, Rhombic, Beverage & so on. Antenna Characteristics The ratio at any given point on the antenna of Voltage to ...

http://w5nor.org/wa.ppt

Date added: June 25, 2013 - Views: 4

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Antennas - This page needs a title | EECS Department

... half-wave dipole oriented parallel to the z axis Tuned half-wave dipole antenna (V/m) ... 6-element array Half-wave dipole radiators Antenna arrays Beam ...

http://people.eecs.ku.edu/~callen/823/823_Antennas-F14.ppt

Date added: September 30, 2014 - Views: 2

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MICROWAVE ANTENNA - CERMIN DIRI HIASI PERIBADI...

MICROWAVE ANTENNA. Definition. A conductor or group of conductors used either for radiating electromagnetic energy into space or for collecting it from space.

http://nurhidayahmoktar.weebly.com/uploads/6/4/8/7/6487407/chapter_5_microwave_antenna.pptx

Date added: May 2, 2013 - Views: 85

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Small Antennas - Navy Mars HP Frames

... SWL http://www.antennex.com/hws/ws0302/varcap.html Capacitor Solution #2 From ARRL Antenna Book ... 300 V /mil) 16 to 542 pF ... air: -20 to –35 dB vs. beam ...

http://www.navymars.org/northeast/reg1/sne/small_hf_antennas.ppt

Date added: October 12, 2011 - Views: 48

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The Expanded Very Large Array - NRAO: Socorro, New Mexico

Antennas in Radio Astronomy Peter Napier Outline Interferometer block diagram Antenna fundamentals Types of antennas Antenna performance parameters Receivers E.g ...

http://www.aoc.nrao.edu/events/synthesis/2004/presentations/NapierAntennas.ppt

Date added: November 18, 2011 - Views: 42

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Slide 1

Antenna Pattern. Antenna pattern shows the distribution of transmitted power with angle for axis of beam (where gain is maximum) - see Fig 10.10

http://reu.wireless.vt.edu/powerpoint/Antennas_2013_v01-Dr_Pratt.pptx

Date added: September 15, 2013 - Views: 7

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Lecture 10: Antennas - Lamar University

Antenna parameters 5. Effective aperture. ... Introducing the power radiation pattern as The beam solid angle of the antenna is (10.28.1) (10.28.2) (10.28.3) ...

http://www.ee.lamar.edu/gleb/em/Lecture%2010%20-%20Antennas.ppt

Date added: November 18, 2011 - Views: 143

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EE608 Adaptive Signal Processing Course Project Adaptive Beam ...

Title: EE608 Adaptive Signal Processing Course Project Adaptive Beam Forming using Antenna Array Author: V B BHEDARU Last modified by: V B BHEDARU

http://www.ee.iitb.ac.in/~prakshep/ASP/Project/BF_ASP_Final.ppt

Date added: September 21, 2013 - Views: 6

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Amateur Radio Technician Class Element 2 Course Presentation

An antenna built from aluminum I-beams An omnidirectional antenna invented by Clarence Beam An antenna that concentrates signals in one direction An antenna that ...

http://www.w0wtn.org/downloads/class_material/tech/w5yi/(18)%20Antennas%20(13)%2B(15)%3D(28).ppt

Date added: May 7, 2013 - Views: 14

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Introduction to antennas - APEX - Atacama Pathfinder EXperiment

Introduction to antennas Michel Anciaux / APEX November 2004 What is an antenna? Region of transition between guided and free space propagation Concentrates incoming ...

http://www.apex-telescope.org/training/2005-02-04/Introduction_to_antennas.ppt

Date added: November 14, 2011 - Views: 379

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Satellite Communications A - Electronic Engineering ...

Satellite Communications A Part 2 Antenna Basics-Professor Barry G Evans-Antenna Radiation Pattern Antenna radiation pattern in polar coordinates Near Field – Far ...

http://info.ee.surrey.ac.uk/Teaching/Courses/eem.scma/satcommsa2004part2.ppt

Date added: November 1, 2013 - Views: 38

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5 Element 20m Wire Beam

5 Element 20m Wire Beam at WB6DCO Construction of an East facing 20m beam made from wires supported on both ends by fiberglass poles. August 2009

http://71.165.227.225/hampages/eznec/astrobeam4.ppt

Date added: May 25, 2014 - Views: 2

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HANDBOOK ON GREEN INFORMATION AND COMMUNICATION SYSTEMS

HANDBOOK ON GREEN ... antennas * MULTIPLE ANTENNA SYSTEM Beam-Forming Delay-Sum Beam-Former A Simple Delay-Sum Beam-Former * MULTIPLE ANTENNA SYSTEM Beam-Forming V ...

http://booksite.elsevier.com/9780124158443/downloads/Chapter_15_SlidesGICS119.ppt

Date added: April 26, 2013 - Views: 21

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Smart antennas for Mobile Ad-hoc networks

... to provide control of space by providing virtual channels in an angle domain Directional Antennas Sectorised antenna ... V .Shankarkumar and N ... The beam ...

http://www.cse.buffalo.edu/~qiao/cse620/fall04/Smartantennas.ppt

Date added: October 7, 2011 - Views: 111

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MAC Protocols for Directional Antenna: A Survey

Title: MAC Protocols for Directional Antenna: A Survey Author: Microsoft Corporation Last modified by: 조성래 Created Date: 10/5/2006 4:04:58 AM

https://mentor.ieee.org/802.11/dcn/09/11-09-0796-00-00ad-contention-based-directional-mac-protocols-a-survey.ppt

Date added: May 8, 2012 - Views: 26

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Antennas Demystified - Home Page - MicroHAMS.com

Antennas Demystified Scott Honaker N7WLO Importance of Antennas Antennas are as important as the radio A $5000 TV with rabbit ears will have a lousy picture Antennas ...

http://www.microhams.com/binfile/talks/Antennas%20Demystified.ppt

Date added: September 10, 2011 - Views: 68

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Introduction to antennas - Wireless | T/ICT4D Lab

Basic Antenna Theory Professor R. Struzak ... 3 2 0 d Beam direction 00 or 22.50 00 or 450 00 or 900 00 or 1800 Input Output Bit #4 Bit #3 Bit #2 Bit ...

http://wireless.ictp.it/school_2005/lectures/struzak/Anten_theor_basics.ppt

Date added: September 7, 2011 - Views: 496

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No Slide Title

Antenna Fundamentals ... Above a Perfectly Conducting Surface Love them Hate them Baluns Long Wires V Beams Rhombics Creating a V Beam A Rhombic – Two V Beams Back ...

http://w8zpf.cboh.org/talks/2012-12+K8LJ+AntennaFundamentals.pps

Date added: August 29, 2014 - Views: 1

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Faster, Better, Cheaper - Northwestern University

... Increased efficiency Adaptability Robust to space environment Faster, Better, Cheaper ... antenna can steer beam to focus reception or transmission Adjusting ...

http://clifton.mech.northwestern.edu/~me381/project/02fall/NANOSATELLITE.ppt

Date added: May 11, 2012 - Views: 59

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Directional Antennas in Mobile Ad Hoc Networks:

Vaidya Scheme 1 The node uses a directional antenna to send the RTS ... Beam Patterns are formed at both the transmitter and the receiver to maximize signal power.

http://nesl.ee.ucla.edu/courses/ee206a/2002s/student_presentations/SP06_RimaBenham.ppt

Date added: July 8, 2012 - Views: 3

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Implementation of Smart Antenna using SDR - Home - Filebox

Title: Implementation of Smart Antenna using SDR Author: Raqibul Mostafa Last modified by: Jeff Created Date: 9/7/2004 8:16:54 PM Document presentation format

http://filebox.vt.edu/s/shelbys/Class%20Materials%20Fall%202004/Implementation%20of%20Smart%20Antenna%20using%20SDR.ppt

Date added: March 14, 2014 - Views: 22

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Slide 1

This poster concerns the on-orbit validation of the antenna beam pointing and corresponding instantaneous field of view (IFOV) earth location for the CONAE Microwave ...

http://depts.washington.edu/uwconf/aquarius_sacd/Clymer_MWR_poster.pptx

Date added: December 3, 2014 - Views: 1

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Adaptive Digital Beam-Forming for HRWS SAR

Monostatic System Planar phased array antenna Vortragstitel 17 .05 ... NESZ (multichannel ... channel antenna in elevation where a digital beam.forming technique ...

http://www.grss-ieee.org/wp-content/uploads/2011/07/4_IGARSS11_HRWS.ppt

Date added: March 21, 2014 - Views: 6

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CM Matlab R0.85 Support Doc - IEEE Standards Association ...

MATLAB codes distributed in IEEE802.15.4a was modified This M-file are composed of six ... or select your own beamwidth (2)? 2 Input Antenna Beam Width: [1 to ...

https://mentor.ieee.org/802.15/file/07/15-07-0559-03-003c-cm-matlab-release-1-1-support-document.ppt

Date added: May 8, 2012 - Views: 85

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Wide field imaging

Introduction to Interferometry Lo and Cornwell Copyright, 1996 © Dale Carnegie & Associates, Inc.

http://www.astro.indiana.edu/catyp/radio/Indiana.interferometry.ppt

Date added: September 24, 2014 - Views: 1

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Slide 1

Collapsible Beam for 6 m ... NW3Z, and James L. Breakall, WA3FET, “A 40m V-Yagi”, in International Antenna Collection, RSGB/ARRL, 2003, (and in QST,May 1988) [2] ...

http://www.qsl.net/ve3sma/50MHzCollapsibleBeam.ppt

Date added: July 25, 2013 - Views: 4

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PowerPoint Presentation

Base Station Antenna Considerations in Wireless Network Deployment By David Shani V.P. Int’ Sales and Marketing With MTI Wireless Edge The Motivation Improving the ...

http://www.mtiwe.com/_Uploads/dbsAttachedFiles/BTS_Antenna_Consideration.pps

Date added: September 19, 2013 - Views: 7

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Antenna Fundamentals with LVDAM-ANT System

However, for an antenna whose radiation efficiency is less than 1 (100%), there is a difference. * a Antenna beam solid angle (steradians) ...

http://hijjawi.yu.edu.jo/Database/Departments/cme/Labs/447A/Antenna%20fundementals%20with%20LVDAM-ANT%20system.ppt

Date added: December 20, 2013 - Views: 13

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Antenna Cost Modeling For Large Arrays - Cornell University

Antenna Cost Modeling For Large ... mass = k1 V 2/3 f 1 ... including substantial DSP with analog processing Many channels per chip or module Limitations Multi-beam ...

http://www.astro.cornell.edu/SKATDP/files/Meet_2008Mar_AWG/AWG_Mar2008_Talk13_d%27Addario.ppt

Date added: November 27, 2014 - Views: 1

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Satellite Orbits – 1 - Welcome to the GMU ECE Department ...

... 1 Determined by two principal factors Height of satellite above the Earth Beamwidth of satellite antenna ... beam antenna Repeat of Slide 47 Satellite ...

http://ece.gmu.edu/coursewebpages/TCOM/TCOM707/TCOM707_Lecture1.ppt

Date added: May 3, 2013 - Views: 48

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SATELLITE LINKS - ImageEvent

satellite links basic link budgets ... (40-55%, or 20-30% for multi-beam) * basics of antenna gain a tx shaped antenna focuses the tx pwr if no beam directivity is ...

http://photos.imageevent.com/qdf_files/technicalgoodies/training/SATCOM%20Link%20Budgeting.ppt

Date added: May 10, 2012 - Views: 37

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Antennas - Northern Illinois University - Your Future, Our Focus

This is an antenna. ... Tahoma Symbol Beam Microsoft Equation 3.0 Antennas Free Charge Accelerating Charge Receiving Waves Angled Antenna Radio Waves ...

http://www.niu.edu/~mfortner/PHYS211/Unit%207%20EM%20Waves/p211_07b.ppt

Date added: December 26, 2012 - Views: 20

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BIG GUNS

The boom is two 60 foot towers welded togtherr and Crane can drop beam in 3.5 mins. Footprint of the antenna covers ... Guelph 75M Big Antenna Farm 4 square ...

http://www.angelsnz.net/ZL3SV/Library/BIG-GUNS%5B1%5D.ppt

Date added: October 23, 2011 - Views: 40

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Substrate-guided wave optical true-time delay feeding network ...

Title: Substrate-guided wave optical true-time delay feeding network for phase-array antenna steering Author: Ray Collins Last modified by: Ray Chen

http://depts.washington.edu/eooptic/presentations/files/AIAA_chen-phased-array-ppt.ppt

Date added: September 18, 2012 - Views: 16

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High Brightness Negative Ion Sources with High Emission ...

Beam Current vs an Arc Current for Different Slit Geometry in the Semiplanotron Dependences of the Н- ion beam ... antenna; 5- magnetic coil; 6- ion ...

http://beamdocs.fnal.gov/AD/DocDB/0020/002062/001/HCDHBSPS2.ppt

Date added: June 13, 2012 - Views: 33

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HF-Radio.ppt - Department of Electrical, Computer, and ...

RF Safety However it is your responsibility to verify proper installation and operation ... “Inverted V” Sloper Antennas The tri-band Yagi or beam antenna ...

http://www.ecse.rpi.edu/courses/CStudio/ham_radio_docs/HF-Radio.ppt

Date added: May 3, 2013 - Views: 13

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Fourth generation (4g) wireless systems - Karlstad University

... beamforming creates a narrower antenna beam than that generated by a baseline fixed-beam ... A LTE terminal, each company will appear as a firm component ...

http://www.cs.kau.se/~pdely/uploads/Main/pres-4g.ppt

Date added: August 2, 2013 - Views: 167

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Frequency Allocation in SDMA Satellite Communications System

Hybrid Discrete-Continuous Optimization for the Frequency Assignment Problem in Satellite Communications System Kata KIATMANAROJ, Christian ARTIGUES, ...

http://www.laas.fr/files/MOGISA/2012-Conf/presentation-kata-incom2012.pps

Date added: August 16, 2013 - Views: 6

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Mosaicing - Australia Telescope National Facility

Mosaicing Naomi McClure-Griffiths ATNF-CSIRO [email protected] 2003 ATNF Synthesis Imaging Workshop ...

http://www.atnf.csiro.au/whats_on/workshops/synthesis2003/talks/mosaic.ppt

Date added: December 27, 2013 - Views: 7

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Contest Antennas and Coaxial CablesBy Frank Donovan W3LPL

Contest Antennas and Coaxial CablesBy Frank Donovan W3LPL. Antenna heights. Receiving antennas. Stacking. Single tower stations. Low loss coaxial cables

http://www.contestuniversity.com/attachments/Contest_Antennas_and_Coaxial_CablesSession_2.ppsx

Date added: July 15, 2013 - Views: 6

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PowerPoint Presentation

Planar Antenna-Coupled Hot ... Cu absorber, 23 nm thick, V = 6.2 ( m ... Build a double slot antenna scale model and conduct reflection and beam pattern ...

http://hibp.ecse.rpi.edu/~connor/education/Antennas/ASC_poster02_small.ppt

Date added: May 25, 2013 - Views: 28

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Systematic Product Analysis - Home - Earth Online - ESA

... H/V, Gain/Phase History ... > 1 LSB error > 2 LSB error > 3 LSB error External Characterisation Antenna B/F Test Results Antenna Gain Test Results Beam Antenna ...

https://earth.esa.int/workshops/validation_12_02/asar/systematic_prod_analysis.ppt

Date added: May 2, 2013 - Views: 14

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Information and Coding Theory - School of Electronic ...

Recommended textbook. Constantine A. Balanis, Antenna Theory: Analysis and Design, 3rd Edition, Wiley-Interscience, 2005; ISBN:0-471-66782-X. Chapters 1 & 2

http://www.eee.bham.ac.uk/ConstantinouCC/Teaching_files/Introduction%20to%20Antennas.pptx

Date added: November 5, 2012 - Views: 14

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PowerPoint Presentation

... is the antenna beam solid angle • What would be for one octant (x,y,z all > 0) ? Normalized Antenna Power Pattern Pn( , ) ...

http://classes.soe.ucsc.edu/cmpe123a/Fall07/doc/AntBrief123A12-6-07.ppt

Date added: August 27, 2013 - Views: 37

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Scatterometer Algorithm - OC Home Page | Ocean Color Web

Beam 2 Tx_H Beam 2 Tx_V Beam 2 Tx_V Beam 2_V Noise only Beam 2 Tx H Rx_V Rx_V Rx_H Rx_H ... azimuth angles Write to output files Antenna beam pattern files Complex ...

http://oceancolor.gsfc.nasa.gov/AQUARIUS/Meeting200703/YUEH_Scatterometer_algorithm.ppt

Date added: October 15, 2011 - Views: 37

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PowerPoint Presentation

LEO Satellite Antenna Concept (7 Beam) Single antenna for transmit and receive. TDMA up- and down-link. Array of helical elements. 9 dB gain. 40° beamwidth. downlink.

http://commsystec.com/images/UHF%20Final%20Briefing%20Milestone.pptx

Date added: November 25, 2012 - Views: 27