View and download zenith z42pj240 installation and operating manual online. Scientists states that 99% of the universe is covered with plasma. Functioning of a plasma antenna largely depends upon the behavior of electromagnetic waves propagating in plasma. In he plasma antenna system there exists two signal circuits, one is excited rf power, the other is the. It employs an ionized gas enclosed in a tube as the conducting element of antenna. But plasmas only exist when the gasses theyre made of are very hot. The ionized gas is enclosed in a tube or enclosure.
Plasma antennas behave much like solid metal antennas because electrons flow freely in the hot gas, just as they do in metal conductors. Indoor and outdoor measurement ranges which provide freespacelike conditions for the antenna are. Modeling and simulation of plasma based applications in the microwave and rf frequency range. Computational investigation of microstrip antennas in. Zenith z42pj240 installation and operating manual pdf download. The radiation pattern properties and some simple design procedures are explained. And the iterative equations of maxwell equation are derived.
Investigating physics of nanosecondpulsed argon plasma discharges for a vlf plasma antenna approved by. A plasma antenna is a type of radio antenna currently in development in which plasma is used instead of the metal elements of a traditional antenna features. The plasma antenna research team of national space science center has created some techniques to make a practical plasma antenna prototype, it can reach the same antenna gain and radiation pattern as a common metal. The fundamental base of plasma antenna is the use of an ionized medium as a conductor. A new kind of plasma antenna can focus highfrequency radio waves that would dissipate quickly if beamed by conventional arrays. Modeling and simulation of plasma based applications in. Physical characteristics of plasma antennas request pdf. An experiment aimed at investigating the antenna properties of different plasma structures of a plasma column as a reconfigurable plasma antenna, is reported. Three promising designs are discussed, and mathematical models used in this study are presented. Dec 09, 2015 except for theoretical research, creating a prototype with considerable performance as metal antenna is really very difficult. Download plasma antenna seminar reports, ppt, pdf, plasma antenna seminar topics, abstracts, full documentation, source code. Plasma antenna is a new and efficient technology that has been introduced in recent years. Also explore the seminar topics paper on plasma antennas with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016.
The key advantages of plasma antennas are that they are highly reconfigurable and can be turned on and off. So from the results of related experiments in monopole plasma antenna if we want to get a large range of working reconfigurable frequency, the radius of plasma antenna should be small and th e inner pressure of it should be low. Pdf study of a fluorescent tube as plasma antenna mrinal. We have received a phase 1 sbir contract from the us navy to develop a plasma stealth antenna. A plasma stealth antenna for the us navy ieee conference. The gas is ionized only for the time of transmission or reception, 3 plasma antenna. Plasma antenna dheeraj rajaram madda department of electronics and telecommunication engineering, n. The study explores the advantages of a transmitting elf plasma antenna for submarine applications and draws comparisons between this antenna and those currently in use. More than all i thank the almighty for his blessing. It is an electromagnetic radiator, transducer, sensor and impedance matching device used in systems such as radio broadcasting, broadcast television, radar etc. Such antennas could enable nextgen wifi that allows for super. Use features like bookmarks, note taking and highlighting while reading plasma antennas artech house antennas and propagation library.
Plasma antennas artech house antennas and propagation. Plasma facing pfa antenna group politecnico di torino class materialdistribution forbidden 2 ohmicheating the plasma current is driven by a toroidalelectric field induced by transformer action, due to a flux change produced by current passed through the primary coil initial heating in all tokamakscomes from the ohmicheating caused by the. In the era of high speed communication and cognitive radio, plasma antenna grown for its beam forming, to hide and fast switching properties. Altunkan hizal august 2005, 79 pages the plasma antennas offer a new solution to new requirements that are imposed on antenna systems with the advancing communication technology and increasing. Plasma antennas artech house antennas and propagation library kindle edition by anderson, theodore. A third feature of the plasma antenna, is that it can be turned off rapidly, reducing ringing on pulse transmission. Antenna antenna is a metallic structure used to propagate em wave such that maximum intensity is in intended direction. Plasma antenna technology it employs an ionized gas enclosed in a tube as the conducting element of an antenna. A plasma antenna is a rf antenna partially composed of. Mar 31, 20 plasma antennas plasma antennas is a type of radio antenna currently under development. M ethods of exciting and confining plasmas are discussed, and the current state of the art in. Design, simulation and implementation of a preionized.
Mar 28, 2017 plasma antenna and its applications 1. Plasma antenna plasma antennas are radio frequency antennas that employ plasma as the guiding medium for electromagnetic radiations. In 15, the authors proposed a dipole plasma antenna with a lumped element equivalent circuit to represent the input impedance. Hence, the aim of this paper is to present simulated and experimental results to. Although plasma antennas have only become practical in recent years when. An enclosed chamber composition capable of forming plasma. Antennas antennas couple propagating electromagnetic waves to and from circuits and devices, typically using wires treated in section 3. The plasma antenna is an emerging technology and is a type of radio antenna currently in development in which plasma is used instead of the metal elements of. Chapter 7 is focused on the techniques used to measure antenna parameters. Research on radiation characteristic of plasma antenna. Pdf in the era of high speed communication and cognitive radio, plasma antenna grown for its beam forming, to hide and fast switching properties find. All experiments showed that plasma antenna elements performed within a few db of a metal antenna.
N sinhgad college of engineering, solapur abstract the plasma antenna is an emerging technology and is a type of radio antenna currently in development in which plasma is used instead of the metal elements of a traditional antenna. The plasma antenna is an emerging technology that partially or fully utilises ionised gas as the conducting medium instead of metal to create an antenna. On hearing the name plasma antenna for the first time, we may get a wrong impression that it is something entirely different. The radiation characteristic of plasma antenna is investigated by using the finitedifference timedomain fdtd approach in this paper. Modeling and simulation of plasma based applications in the. Pdf a study of plasma antenna parameters with different gases. Five different configurations of plasma antenna have been simulated with the help of high frequency structure simulator hfss. This experimental and theoretical study examines the excitation of a plasma antenna using an argon surface wave discharge operating at 500 mhz with rf power levels up to 120 w and gas pressures. This study summarizes the basic theory behind the operation of plasma antennas based on a survey of patents and technical publications. Plasma consists of collection of free moving electrons and ions i. V antenna, yagiuda array, turnstile antenna, helix, spiral, microstrip patch, etc. University of california, berkeley plasma a short course on the principles of plasma discharges and materials processing michael a. Mitchell walker, advisor school of aerospace engineering. Plasma antenna technology since the discovery of radio frequency rf transmission, antenna design has been an integral part of virtually every communication and radar application.
In order to validate the correctness of this method, we simulate the process of. Except for theoretical research, creating a prototype with considerable performance as metal antenna is really very difficult. It is wellknown that the striations are the black and white regions appear in the positive column of a glow discharge. Experience on plasma antenna technology ieee conference. In the groton experiments, the plasma antenna communicated between two computers transmitting at 900 mhz.
Theoretical and experimental investigation of plasma antenna. The antenna is designed and works at different frequencies. Recent results using plasma antennas in the pulsed mode have transmission and reception taking place in noncurrentcarrying plasmas. Previous works on plasma antenna have shown that plasma antenna is just as e. Lieberman department of electrical engineering and computer sciences. Modeling and simulation of plasma based applications in the microwave and rf frequency range dr. When the gas is electrically charged or ionized to a plasma,it becomes conductive and allowing radio frequency signals to be transmitted or received. Plasma facing pfa antenna group politecnico di torino class materialdistribution forbidden 2 ohmicheating the plasma current is driven by a toroidalelectric field induced by transformer. Plasma antennas could enable nextgen wifi, beaming. The plasma antenna research team of national space science center has created some techniques to make a practical plasma antenna prototype, it can reach the same antenna gain. Dec 08, 2015 introduction to plasma antenna technology. The antenna elements or striations developed in a single plasma column due to change in operating parameters.
A plasma antenna is a type of radio antenna currently in development in which plasma is used. Currently, the operating elf antenna is the horizontal electric dipole hed antenna. Plasma antennas plasma antennas is a type of radio antenna currently under development. There was remaining consistently confusion over the better gas for plasma. Download it once and read it on your kindle device, pc, phones or tablets. Download plasma antenna seminar reports, abstract, pdf, ppt. Progress in electromagnetics research letters, vol. The silicon radiator is activated with the aid of highly dense solidstate plasma by injecting carriers into the. Through using fdtd method, we study the propagation of electromagnetic wave in free space in stretched coordinate. Are reconfigurable for frequency, bandwidth, gain, length of plasma column and radius of glass tube.
The plasma antenna is an emerging technology that partially or fully utilizes ionized gas as the conducting medium instead of metal to create an antenna. A plasma antenna is a type of radio antenna currently in development in which plasma is used instead of the metal elements of a traditional antenna. Plasma antenna plasma antenna, plasma antenna ppt, plasma antenna pdf, antenna, plasma antennas, plasma antenna technology, plasma antenna abstract, presentation powerpoint, plasma antenna seminar. Plasma antenna technology since the discovery of radio frequency rf transmission, antenna design has been an integral part of virtually every. When gas is not ionized,the antenna element ceases to exit. The moment the energy source heating a plasma antenna is shut off, the plasma turns back into a plain old non conductive gas. At least three energizing points to form electromagnetic. Plasma column antenna is a new technology for uhfvhf communication.
Explore plasma antennas with free download of seminar report and ppt in pdf and doc format. Threedimensional model of cylindrical monopole plasma. A frequency reconfigurable dipole antenna based on a silicon radiator is presented. Page 4 safetyinstructions warning to reduce the risk of fire or electrical never touch this apparatus or antenna during a thunder or lighting storm. A 30 cm long plasma column is excited by surface wave, which acts as a plasma antenna. Barro, mohammed himdi, and olivier lafond abstractthis paper presents the performance of cylindrical plasma antenna. Plasma antenna basics plasma antenna working,advantages. A plasma antenna can be used for both transmission and reception. Two most important plasma parameters which are taken into consideration for this computational investigation are. Plasma antenna is a special type of antenna in which metal conducting elements of conventional antenna are replaced by plasma. They can be used for both transmission and reception. A plasma antenna is a column of ionized gas in which the free electrons emit, absorb and reflect radio signals just as the free electrons in a metal antenna.
A plasma antenna is a type of antenna that is currently in development in which plasma is used to replace the metal elements of a normal antenna. The key advantages of plasma antennae are that they are highly reconfigurable and can be turned on and off vishnu gautam. Plasma is on of the advanced technology in semi conducting materials. Pdf several experiments on plasma antennas are investigated till date.
When the tubes are energized, they become conductors and can transmit and receive radio signals. Plasma antennas refer to a wide variety of antenna concepts that incorporate some use of an ionized medium. The concept is to use plasma discharge tubes as antenna elements. Antenna parameters of plasma antenna and equivalent metallic copper antenna are studied. Plasma antennas seminar report, ppt, pdf for ece students. A frequency reconfigurable dipole antenna with solidstate. The plasma antenna uses ionized gas enclosed in tube enclosure as. An investigation on plasma antennas tig rek, recep f. By changing the operating parameters a single plasma antenna plasma column can be transformed into multiple antenna elements striations, which can be treated as a phased array broadside vertical plasma antenna. Plasma antenna uses ionized gas as counducting material. Preliminary tests before receiving the sbir successfully demonstrated both the operation of the antenna in transmission and reception, and the stealth features on a navy test range in san diego. In this paper, the plasma antenna technology is introduced to solve the problems of radio antennas. A system for information transmission having a plasma antenna, including an electrodeless plasma tube, and a power source effective to generate an electromagnetic field to cause ionization of material within the tube so as to form the antenna for one or both of either sending or receiving signals, wherein the electromagnetic field is applied to a portion only of the tube.
This paper is aimed to investigate the plasma antenna parameters to help the optimization of plasma antenna dimensions length and radius of plasma antenna. An rf antenna which uses plasma element instead of metal conductor is known as plasma antenna. The receiving properties of antennas are characterized by the antenna affective area af,t,i, where the available power at the output of the receiving antenna prf is the product of the effective area of the receiving antenna in direction t,i and the flux density swm2hz1 incident from that direction. Joshi2 1electronics and communication department, birla institute of technology mesra, ranchi 835215, india. In 1919, j hettinger was granted a patent for the concept of a plasma antenna. Reconfigurable characteristics of the monopole plasma antenna. Apr 12, 2018 plasma antenna is a special type of antenna in which the metal conducting elements of a conventional antenna are replaced by plasma. Advantages of the plasma antenna information technology essay. How plasma antennas different from other antennas plasma antenna traditional antenna electronic movement is made solid metal antenna can function even more easily inside the because electrons can move free plasma antenna, because of ly in the metal conductor. The disadvantage is that the plasma antennas require energy to be ionized.
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