An antenna must be tuned matched to the same frequency band as the radio system to which it is connected. Ppt power point basics powerpoint presentation free to download id. To insert a new slide, go to the insert tab on powerpoint s ribbon. Antennas the antenna is very important if long range is important a quarter wave antenna is an easy and good solution, but it is not small 433 mhz. In this powerpoint slide animation tutorial, you will learn how to organize and animate your presentation contents so that it grabs the attention of your audience. Antenna basics white paper this white paper describes the basic functionality of antennas. Kevin dearing has been in the it industry for 20 years. Basic antenna theory and concepts ppt video online download.
In fact, historically, these methods were first developed in antenna theory and. Basics of antennas and beamforming massive mimo networks. An antenna is a device to transmit andor receive electromagnetic waves. Free powerpoint templates download free powerpoint backgrounds and powerpoint slides on antenna nfc powerpoint template nfc powerpoint template is a free ppt background for nfc presentations or also known as near field communication protocol. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Objectives of this chapter study the basic theory of antennas understand how radio waves are generated by. Mar 10, 2015 wifi basics is the first part of a series that explains core networking concepts. Electromagnetic waves are often referred to as radio waves. If an antenna is able to extract a certain amount of power from a passing wave of known power density, an effective area or aperture can be calculated and associated with it. Powerpoint for microsoft 365 powerpoint 2019 powerpoint 2016 powerpoint 20 powerpoint 2010 more. The smallest and most common form of antenna is the ceramic patch antenna. Introduction an antenna is an electrical conductor or system of conductors transmission radiates electromagnetic energy into space reception collects. Get more information about ppt presentation smart antenna by visiting this link.
Microstrip antennas can be designed as very thin planar printed antennas and they are very useful elements for communication applications 4. Antenna theory basics in modern technological perspective. This unit will give the basic picture regarding microstrip antenna configurations, methods of analysis and some feeding techniques. Likewise, if a linear wire antenna develops a certain voltage across its terminals when it is excited by a known field intensity from a passing wave, an effective length or height for vertical wires can be determines. How to learn powerpoint quickly complete beginners guide. Generally, an ebook can be downloaded in five minutes or less. Audience this tutorial is meant for all the readers who are aspiring to learn the phenomenon of antennas used in communication systems, from the basic parameters of antennas, the types. Additional material was added for the following topics.
Ppt antenna basics powerpoint presentation free to download. This is often a good solution since it utilizes unused volume for a product. A free powerpoint ppt presentation displayed as a flash slide show on id. Antenna fundamentals an antenna is a device for converting electromagnetic radiation in space into electrical currents in conductors or viceversa, depending on whether it is being used for receiving or for transmitting, respectively. Smart antenna seminar reportpdf ppt download abstract. Introduction the antenna is the interface between the transmission line and space antennas are passive devices. Aug 24, 2016 the video above shows an alternatingcurrent lamp filament being flexed between support points in the presence of a strong magnetic field. The antenna is very important if long range is important a quarter wave antenna is an easy and good solution, but it is not small 433 mhz. Find materials for this course in the pages linked along the left. Arrays of antennas are used to direct radiated power towards a desired. The radiation pattern of antenna is a representation. Antenna basics ppt free download as powerpoint presentation.
May 06, 2018 an introduction to radio beamforming, including the basic mathematical expressions that allow to predict the how antenna arrays behave. Using hfss software to study the effect of the tumor size on the output signal. Previous versions include powerpoint 2016, powerpoint 20, powerpoint 2010, powerpoint 2007, and powerpoint 2003. Browse for the picture you want, and then choose insert. Telecommunications powerpoint provides a good template for antenna or communication presentations.
The functioning of an antenna depends upon the radiation mechanism of a transmission line. Download the file by clicking the download button above and saving the file to your hard disk doubleclick the ppttpml1. An antennas impedance relates the voltage to the current at the input to the antenna. Topics include directivity, polarization, bandwidth, impedance, frequency bands, all things necessary for an understanding of antenna theory, antenna basics and antenna fundamentals. Remove this presentation flag as inappropriate i dont like this i like this remember as a favorite.
Shortly after, nikola tesla wirelessly lit lamps in his workshop, demonstrated the first remotecontrol toy boat, and established the alternatingcurrent system we use to transfer electricity throughout the world today. Sidelobes of dipole arrays sidelobe antenna pattern with sidelobes many applications require sidelobe levels sll to be below 20db. This antenna is low profile, inexpensive, and compact, but it has lower reception compared to other types of antennas. Over 2600 years ago and likely well before that the ancient greeks discovered that a piece of amber rubbed on a piece of fur would attract. Think of slides as the individual units in your presentation that you can fill with content. Nov 28, 2018 the author emil bjornson of the book massive mimo networks explains and visualizes the basics of antennas, radiating elements, and beamforming in multiple antenna communications.
Basic tasks for creating a powerpoint presentation. The directive gain of an isotropic or omnidirectional antenna an antenna that. Just plain trigonometry and basic linear algebra is used. This antenna needs to face upwards with a clear view of the sky to get good a good signal, i. Hplane rectangular aperture circular aperture chapter 6. Take a tour download template use 3d models download template import your 3d models download template other versions. Get more information about smart antenna pdf free download by visiting this link. Prior to that was extensive military experience in rf communications and computers. Times new roman symbol arial default design microsoft equation 3. The beamwidth is a measure of the directivity of the antenna. One of the most rapidly developing areas of communications is smart antenna systems.
This condition is called resonance, as the electrical energy fed to antenna is radiated into free space. Windows server 2016 is the next upcoming server operating system from microsoft. Antenna basics ppt antenna radio telecommunications. This paper deals with the principle and working of smart antennas and the elegance of their applications in various fields such a 4g telephony system, best suitability of multi carrier modulations. Basic electrical principles conductors keep loose grip on their electrons and allow electrons to move freely. Antenna whether it transmits or receives or does both can be connected to the circuitry at the station through a transmission line. Insulators keep close hold of their electrons and do not allow free movement of electrons. Sep 04, 20 antenna and its fundamentals 8 antenna impedance. Antenna basics outline reciprocity theorem point radiator concept. Ppt antenna basics powerpoint presentation, free download. Nfc powerpoint template is a free ppt background for nfc presentations or also known as near field communication protocol. Introduction an antenna is a structure or a device that is used to.
Fig 1 basic structure of microstrip patch antenna so many advantages and applications can be mentioned for microstrip patch antennas over conventional antennas. It allows you to recognize and understand the power of communication, dentify specific communication problems and apply treatments and learn techniques to manage and ensure proper communication over cables, wifi or radio frequency antennas. After completing this tutorial, you will be able to calculate the parameters of an antenna and decide which antenna suits for which type of application and why. Patch antennas are low cost, have a low profile and are easily fabricated. Ppt antennas and antenna arrays powerpoint presentation free to download id. Likewise, if a linear wire antenna develops a certain voltage across its terminals when it is excited by a. A smart antenna consists of several antenna elements, whose signal are processed adaptively in order to exploit the spatial domain of the mobile radio channel. Shabbir hasan,ece827,ist,national antenna parameters are. If the length of the conductor is a certain ratio or multiple of the wavelength of the signal1, it becomes an antenna. Gain or directivity an isotropic antenna and a practical antenna fed with the same power. Download microsoft powerpoint for windows pc from filehorse. This tutorial is meant to provide the readers a detailed description of the antennas used in communication systems. An antenna must be tuned matched to the same frequency band as the radio. A fundamental list of antenna theory concepts, an antenna basics menu is given here.
Then, click on the new slide button to add a new slide to your presentation. The adobe flash plugin is needed to view this content. When antenna manufacturers specify simply the gain of an antenna they are usually referring to the maximum value of g. Folded dipole antenna same length as 12 wave dipole parallel conductors joined at each end separated by an appropriate spacing. Shengchou lin radar system design some common rf decibel units only one number is needed if the other is a known, standard value. Antenna design with minimal signal degradation, optimal gain directive main. When an antenna is used for reception, then the radiation pattern becomes reception pattern. Antenna definitioncontd in transmit systems the rf signal is generated, amplified, modulated and applied to the antenna in receive systems the antenna collects electromagnetic waves that are cutting through the antenna and induce alternating currents that are used by the receiver. It is the angle within which the power radiated by the antenna is at least half of what it is in the most powerful direction. Download powerpoint templates pack 1 from official.
A more common characterization is antenna gain gf,, which is the ratio of the. Communications antenna ppt free powerpoint templates. Some basic references are provided at the end of these viewgraphs. A new slide will have basic placeholders to add your content to in powerpoint. Example 2 em field em field of linear current element em field of current element. It is a fundamental property of antennas that the electrical characteristics of an antenna described in the next section, such as gain, radiation pattern, impedance. There are many specific types of antennas, but three basic types are used most of the time, and will be useful in building a wireless network. An introduction to antenna basics technical articles. You are welcome to visit a website that goes along with a course at the university of houston on microstrip antennas powerpoint viewgraphs from the course may be found there, along with the viewgraphs from this short course. Learn all about the windows operating system for pcs. Antennas are used to transmit and receive information through changes in the electromagnetic fields that surround them.
Free powerpoint templates download free powerpoint backgrounds and powerpoint slides on antenna. This free gray background has a blue signal for nfc communication. Even though current is same magnitude but out of phase with respect to the wire, in space the currents are actually in the same direction due to folding of antenna. Wire antenna construction methods antenna modeling software mininec, winnec, and eznec for windows. Glass, wood, plastic, mica, fiberglass and air are good insulators. Learn how to use the windows file system to work with files more easily. To apply a shadow, reflection, glow, bevel, 3d rotation, a transform, choose text effects, and then choose the effect you want. The sole functionality of an antenna is power radiation or reception. Most antennas are resonant devices, which operate efficiently over a relatively narrow frequency band. Ppt antennas and antenna arrays powerpoint presentation.
Ppt power point basics powerpoint presentation free to. Some routers will have antennas built in, and sometimes the routers will have a choice of antenna you can attach to the router. Khz means hertz, mhz means 1,000,000 hertz, and ghz means 1,000,000,000 hertz. Antennas 101 2 the basics 1 antennas radiate or receive because electrons are accelerated or are caused to accelerate in the antenna s elements radio or electromagnetic waves are both an e electric and h magnetic field electrons move parallel to efields strongest radiation from accelerating. Starting with hertzs antenna model followed by a short introduction to the fundamentals of wave propagation, the important general characteristics of an antenna and its associated parameters are explained. An ebook reader can be a software application for use on a computer such as microsofts free. Microsoft powerpoint download 2020 latest for windows 10. Heinrich hertz was the first to build a radio transmitter and receiver while understanding what he was doing. This part talks about frequencies and channels in the 2. Animation basics for your presentation powerpoint office support.