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Design, Testing and Fabrication Of Ultra Wide B...
49,00 € *
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In this project, an ultra wide band antenna is designed with the help of a square shape. By the method of Fractal technique, the square is reduced in the terms of size, volume. The basic structure considered is a square. The iteration function which is to be applied on the generator which is basic structure is obtained by dividing a square into nine squares of equal size. Same small squares are removed and this gives rise to the first order. Process is then repeated for n number of times to get nth iteration. The directivity and gain is same for the fractal square antenna obtained at the second order. For the fractal second order antenna, the frequency attained is 3.1 to 10.6GHz which is simulated in CST Micro wave studio. The same antenna is fabricated and measured with Network Analyzer and the measured results and simulated results are matched. Here the ground technique used for the antenna is half-arc ground plane. We used half arc ground plane because there will be a soft transmission of current from port to feed so that maximum bandwith can be attained even after the reduction of dimension of the antenna.

Anbieter: Dodax
Stand: 31.05.2020
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Design a 1.3 GHz Microstrip Patch Antenna for a...
28,90 € *
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This book is concerned with the design, construction and testing of a 1.3GHz microstrip rectangular patch antenna. The patch antenna incorporated a feed-line on the PCB board. The first part of the design of the antenna involved the computation of the dimensions of the patch to achieve a fundamental frequency of 1.3GHz. The accuracy of the computed dimensions was confirmed on an Ansoft Designer simulation package by examining the return loss of the antenna at the resonant frequencies. The second part of the design of the antenna involved the computation of the performance of the antenna. A number of parameters were evaluated which included electric field, E and H planes, radiation pattern, radiation, conductance, directivity and efficiency. The use of approximate formulas, the MAPLE computer algebra package and the MATLAB package were used to evaluate the formulas for predicting the antenna parameters. Computations of the various performance parameters were confirmed on the Ansoft Designer simulator. The microstrip rectangular patch antenna was constructed in the laboratory and tested on a Network Analyzer. The responses showed good agreement with the Ansoft simulation results.

Anbieter: Dodax
Stand: 31.05.2020
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NanoVNA Vector Network Analyzer HF-UKW-UHF-Ante...
74,99 € *
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NanoVNA Vector Network Analyzer HF-UKW-UHF-Antenne 2,8-Zoll-TFT-Bildschirm 50 kHz-900 MHz Beschreibung: 1. NanoVNA ist ein kompakter tragbarer Vector Network Analyzer. Es ist mit einem 2,8-Zoll-TFT-Bildschirm ausgestattet. Als praktisches HF-Geraet ist e

Anbieter: Rakuten
Stand: 31.05.2020
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D-Link DGS 3000-28X - Switch - verwaltet - 24 x...
595,70 € *
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Kurzinfo: D-Link DGS 3000-28X - Switch - verwaltet - 24 x 10/100/1000 + 4 x 10Gb Ethernet SFP+ - an Rack montierbar Gruppe Hubs & Switches Hersteller D-Link Hersteller Art. Nr. DGS-3000-28X Modell DGS 3000-28X EAN/UPC 0790069429590 Produktbeschreibung: D-Link DGS 3000-28X - Switch - 24 Anschlüsse - verwaltet - an Rack montierbar Gerätetyp Switch - 24 Anschlüsse - verwaltet - stapelbar Art An Rack montierbar 1U Untertyp Gigabit Ethernet Ports 24 x 10/100/1000 + 4 x 10Gb Ethernet SFP+ Leistung Switching-Kapazität: 128 Gbps Weiterleitungsleistung (Paketgröße 64 Byte): 95.24 Mpps Größe der MAC-Adresstabelle 16.000 Einträge Remoteverwaltungsprotokoll SNMP 1, RMON 1, RMON 2, Telnet, SNMP 3, SNMP 2c, SSH Leistungsmerkmale Flusskontrolle, Auto-Negotiation, ARP-Unterstützung, Trunking, VLAN-Unterstützung, Auto-Uplink (Auto MDI/MDI-X), Schutz vor DoS-Angriffen, Dying-Gasp-Unterstützung, Quality of Service (QoS), Safeguard Engine, Network Access Protection (NAP), LLDP-Support, Remote Switch Port Analyzer

Anbieter: JACOB Computer
Stand: 31.05.2020
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Wireless networking
43,99 € *
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Wireless networking ab 43.99 € als Taschenbuch: List of ad hoc routing protocols Wireless LAN Personal area network Wireless network Direct-sequence spread spectrum Packet analyzer Wireless broadband IP over Avian Carriers Intersymbol interference Wireless mobility management. Aus dem Bereich: Bücher, Ratgeber, Computer & Internet,

Anbieter: hugendubel
Stand: 31.05.2020
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Vector Network Analyzer Measurements and Uncert...
138,99 € *
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Vector Network Analyzer Measurements and Uncertainty Assessment ab 138.99 EURO 1st ed. 2017

Anbieter: ebook.de
Stand: 31.05.2020
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The Calibration of 2-Port Vector Network Analyz...
48,99 € *
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The Calibration of 2-Port Vector Network Analyzer (VNA) ab 48.99 € als Taschenbuch: A Comparative Study. Aus dem Bereich: Bücher, Wissenschaft, Technik,

Anbieter: hugendubel
Stand: 31.05.2020
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Design & Implementation of Network Protocol Ana...
35,90 € *
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Design & Implementation of Network Protocol Analyzer ab 35.9 EURO Network Security

Anbieter: ebook.de
Stand: 31.05.2020
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A New Host-Based Hybrid IDS Architecture - A Mi...
68,00 € *
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In a world where our every day life depends on what is going on in the gap between stimulus and reaction, Intruders could make the decision for you. Unless they are detected on time!Network security has been an issue since computers have been networked together. Lots of vulnerabilities, risks and threats came to the scene. An important security product that has emerged is Intrusion Detection Systems (IDS).The author proposes a new Host-Based Hybrid Intrusion Detection System.The Intrusion Detection Analyzer Module consists of two analyzers that work in a hybrid architecture: Anomaly Detection Analyzer and Misuse Detection Analyzer.This way, the Anomaly Detection Analyzer is trained with attack-free session data and normal behaviour is learnt so it raises an alarm when it detects a deviation from this normal behaviour. Self Organizing Map, an unsupervised machine learning algorithm, is used.The Misuse Detection Analyzer uses a C4.5 Decision Tree.Finally, Decision Making Module decides whether the session is normal or an attack. The proposed hybrid architecture works very accurately.It is an essential book. Any professional can benefit from such a lecture.

Anbieter: Dodax
Stand: 31.05.2020
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Loss Reduction and Voltage Improvement by Netwo...
55,90 € *
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Nowadays, the electricity demand is increasing day by day, and hence it is very important not only to extract electrical energy from all possible new power resources, but also to reduce power losses to an acceptable minimum level in the existing distribution networks, where a large amount of power dissipation occurred. In Myanmar, a lot of power is remarkably dissipated in distribution system. Among several methods in reducing system power losses, network reconfiguration method is employed for loss minimisation, and also voltage profile improvement in this research. Network reconfiguration in distribution systems is performed by opening sectionalising (normally closed) and closing tie (normally open) switches of the network. The benefits of network reconfiguration are loss reduction, voltage profile improvement and freeing up the power system capacity. Exhaustive search techniques, an optimisation tool which is also applied in order to achieve the minimal loss switching scheme. The distribution network for existing and reconfiguration conditions are modeled and simulated by Electrical Transient Analyzer Program (ETAP) 7.5 version software.

Anbieter: Dodax
Stand: 31.05.2020
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Shoaib, Nosherwan: The Calibration of 2-Port Ve...
49,00 € *
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Erscheinungsdatum: 03/2012, Medium: Taschenbuch, Einband: Kartoniert / Broschiert, Titel: The Calibration of 2-Port Vector Network Analyzer (VNA), Titelzusatz: A Comparative Study, Autor: Shoaib, Nosherwan, Verlag: LAP Lambert Academic Publishing, Sprache: Englisch, Rubrik: Elektronik // Elektrotechnik, Nachrichtentechnik, Seiten: 72, Informationen: Paperback, Gewicht: 127 gr, Verkäufer: averdo

Anbieter: averdo
Stand: 31.05.2020
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Automation of Test & Measurement Equipments in ...
49,00 € *
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A major revolution in wireless industry is now due, with the development of Ultra-Wideband, Cognitive Communication, and Networking. The goal of this book is to do spectrum occupancy and wideband channel sounding using automated system. In this book, the automated systems developed using LabVIEW as a tool to control Spectrum analyzer, Vector Network Analyzer (VNA), and Digital Sampling Oscilloscope (DSO) are discussed. Spectrum occupancy for CDMA, GSM, Wi-Fi, and DTV spectrum s is investigated, followed by field strength measurements for DTV signal. Frequency domain and Time domain channel sounding are also performed and all results are shown.

Anbieter: Dodax
Stand: 31.05.2020
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