Antenna Training – Engineering, Theory, Analysis and Design

Introduction:

Antenna Training – Engineering, Theory, Analysis and Design Training Course

This three-day Antenna Training – Engineering, Theory, Analysis and Design course teaches the basics of antenna and antenna array theory. Fundamental concepts such as beam patterns, radiation resistance, polarization, gain/directivity, aperture size, reciprocity, and matching techniques are presented. Different types of antennas such as dipole, loop, patch, horn, dish, and helical antennas are discussed and compared and contrasted from a performance/applications standpoint. The locations of the reactive ear-field, radiating near-field (Fresnel region), and far-field (Fraunhofer region) are described and the Friis transmission formula is presented with worked examples. Propagation effects are presented.

Antenna arrays are discussed, and array factors for different types of distributions (e.g., uniform, binomial, and Tschebyscheff arrays) are analyzed giving insight to sidelobe levels, null locations, and beam broadening (as the array scans from broadside.) The end-fire condition is discussed. Beam steering is described using phase shifters and true-time delay devices. Problems such as grating lobes, beam squint, quantization errors, and scan blindness are presented. Antenna systems (transmit/receive) with active amplifiers are introduced. Finally, measurement techniques commonly used in anechoic chambers are outlined. The textbook, Antenna Theory, Analysis & Design, is included as well as a comprehensive set of course notes.

**Customize It:**

With onsite Training, courses can be scheduled on a date that is convenient for you, and because they can be scheduled at your location, you don’t incur travel costs and students won’t be away from home. Onsite classes can also be tailored to meet your needs. You might shorten a 5-day class into a 3-day class, or combine portions of several related courses into a single course, or have the instructor vary the emphasis of topics depending on your staff’s and site’s requirements.

**Related Courses:**

**Duration: **3 days

**Objectives:**

◾Understand the basics theory behind antennas and antenna theory

◾Discuss the mathematical and physical background that is needed to understand electromagnetic radiation and antennas

◾Describe antenna radiation and antenna parameters

◾Master basic definitions of antenna including radiation, gain, bandwidth, directivity, efficiency, effective area, pattern, impedance, antenna noise temperature, and polarization of antennas for wireless communications

◾Understand the operation of a wide range of antenna types

◾Carry out planning, calculation and design of a wide range of antenna types

◾Select antenna types for specific applications and systems

◾Learn to measure antenna performance on a variety of antenna measurement facility types

◾Explore new antenna concepts such as smart antenna, Phased-Array, MIMO and MU-MIMO

**Course Content:**

**Fundamentals of Antennas**

◾Antenna Terminology

◾Antenna Basics

◾Theory and practice of antenna engineering

◾Popular antenna types

◾Antenna applications and electromagnetic properties

◾Spectrum of frequencies: 550 kHz to 550 GHz

◾VHF, UHF and microwave regions.

◾Mobile communications

◾Radar

◾Military applications.

◾Radiation

◾Electromagnetic wave propagation

◾Power flow

◾Maxwell equation basics

◾Plane wave propagation in space

◾Antenna directivity, power gain and efficiency

◾Components, Construction and Cost

◾Modeling and Simulation of Antennas

◾Near-Field Antenna Measurement Techniques

◾Far-Field Antenna Measurements

◾Near-Field Antenna Measurements

**Why do Antennas Radiate?**

◾Radiowave Propagation

◾Antenna Function

◾Size and Directivity

◾Gain and Frequency

◾Physics and Applications

◾Transformation of a guided EM wave

◾Transmission line

◾Radiator

◾Resonator

◾Radiation Pattern

◾Antenna Gain

◾Antenna Polarization

◾Antenna Parameters

◾Antenna Bandwidth and Gain

◾Effective Area or Aperture

◾Intended and Unintended Radiators

◾Antenna Materials

◾Antenna Synthesis and Continuous Sources

◾Basic Antenna Properties

◾Bandwidth

◾Frequency Bands

◾Field Regions

◾Directivity

◾Efficiency and Antenna Gain

◾Beamwidths and Sidelobes

◾Impedance and VSWR

◾Radiation Pattern

◾How to read Radiation Patterns

◾Effect of Polarization

◾Computational Methods for Antennas

◾Computer Modeling of Antennas

◾Current and Voltage Distribution

**Types of Antennas**

◾Aperture Antennas

◾Antenna Arrays

◾Resonant antennas

◾Traveling wave antennas

◾Frequency Independent antennas

◾Aperture antennas Phased arrays

◾Electrically small antennas

◾Circularly polarized antennas

◾Antenna Miniaturization and Fractal Antennas

**Physics of Different Antenna Types**

◾Helical Antennas

◾Helical Antennas

◾Horn Antennas

◾Linear Wire Antennas

◾Log Periodic Dipole Arrays

◾Loop Antennas

◾Low-Noise Antennas

◾Microstrip Antennas

◾MIMO

◾Mobile Antennas

◾Phased Array Technology

◾Spiral Antennas

◾Traveling Wave and Broadband Antennas

◾VHF and UHF Antennas

◾Broadband Dipoles and Matching Techniques

◾Cellular Base Station Antennas

◾Dipoles and Monopoles

◾Radar Antennas

◾Reflector Antennas

**Fundamental Parameters of Antennas**

◾Antenna Radiation Efficiency

◾Antenna Temperature

◾Antenna Vector Effective Length and Equivalent Areas

◾Bandwidth

◾Beam Efficiency

◾Beamwidth

◾Gain

◾Impedance and Impedance Matching

◾Integral Equations, Moment Method, and Self and Mutual Impedance

◾Directivity

◾Maximum Directivity and Maximum Effective Area

◾Numerical Techniques

◾Polarization

◾Propagation Effects

◾Radiation Integrals and Auxiliary Potential Functions

◾Radiation Intensity

◾Radiation Pattern

◾Radiation Power Density

◾Radomes

◾Reciprocity

◾Smith Charts

◾Antenna Temperature

◾Design Considerations

**Linear Wire Antennas**

◾Infinitesimal Dipole

◾Small Dipole

◾Region Separation

◾Finite Length Dipole

◾Half-Wavelength Dipole

◾Linear Elements Near or on Infinite Perfect Conductors

◾Ground Effects

◾Computer Codes

**Building Loop Antennas**

◾Small Circular Loop

◾Circular Loop of Constant Current

◾Ground and Earth Curvature Effects

◾Polygonal Loop Antennas

◾Ferrite Loop

◾Mobile Communication Systems

**Building Arrays Antennas**

◾Linear, Planar, and Circular

◾Two-Element Array

◾Design Procedure

◾Rectangular-to-Polar Graphical Solution

◾Superdirectivity

◾Planar Array

◾Circular Array

**Introduction to Smart Antenna**

◾Antenna Arrays

◾Phased Array Antennas

◾MIMO and MU-MIMO Concepts

◾Antenna Testing and Measurements

◾Antenna Measurement Techniques

◾Phased Array Antennas for Radar and Communications

◾Phased Array Antennas and Adaptive Techniques

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