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Micro-strip Wearable Antenna
ISBN: 9783659215995 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Rapid development in wireless communication promises to replace wired-communication networks in future, where the antennas play important role. Wearable antennas made a new trend by avoiding wireless communication use of physical connection with wearable electronic devices. A wearable antenna means that it is meant to be as part of the clothing. The requirements for wearable antenna are light-weight, small and robust. In addition dual or even multi-band antenna operation at selected frequency bandwidths reduce the need of many different antenna elements in clothing.EBG structures are usually...
Rapid development in wireless communication promises to replace wired-communication networks in future, where the antennas play important role. Wearab...
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Contrôle de Moteur Bldc 3 Phases Sensorless
ISBN: 9783841790170 / Francuski / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Le prA(c)sent ouvrage dA(c)crit les A(c)tapes de la conception d'un circuit de commande d'un moteur BLDC sans capteurs. Ce moteur est contrAlA(c) A travers un Driver DRV8312 de la famille Texas Instrument qui intA]gre un onduleur triphasA(c). Il est commandA(c) en modulation de largeur d'impulsion grA ce A un microcontrAleur MC9S08MP16 destinA(c) aux applications de contrAle des moteurs Brushless DC. Mots clA(c)s: moteur, Brushless, Sensorless, PWM, contrAle, onduleur, microcontrAleur, Driver, Altium Designer.
Le prA(c)sent ouvrage dA(c)crit les A(c)tapes de la conception d'un circuit de commande d'un moteur BLDC sans capteurs. Ce moteur est contrAlA(c) A tr...
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Circuits de Correction de Facteur de Puissance
ISBN: 9783841799753 / Francuski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Le monde de l'A(c)lectronique de puissance qui se rapporte au domaine industriel (comme les entrainements des moteurs A courant continu et alternatif, les diffA(c)rents chargeurs de batterie, etc.) est en pleine A(c)volution. Une grande partie des A(c)quipements prA(c)lA]ve leur A(c)nergie par l'intermA(c)diaire d'un redresseur, plus ou moins sophistiquA(c). Cependant, la conversion est souvent accompagnA(c)e d'une dA(c)cadence atteignant l'alimentation et se manifestant au niveau des formes d'onde des courants consommA(c)s ce qui produit le fait que le courant consommA(c) par l'ensemble...
Le monde de l'A(c)lectronique de puissance qui se rapporte au domaine industriel (comme les entrainements des moteurs A courant continu et alternatif,...
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Next Generation Passive Optical Networks Supervision
ISBN: 9783639663242 / Włoski / Miękka / 80 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. With increasing demand for high capacity mobile data services and a simultaneous decline in revenue per bit, network operators face the challenge of providing high capacity while reducing overall network costs. A key aspect within Passive Optical Networks is the implementation of simple monitoring strategy on the physical layer which gives the possibility for the operator to save a signicant amount of operation and maintenance expenses (OpEx). In this framework, we propose an emerging and promising technique, i.e. Optical Frequency Domain Reflectometry, in order to localize any kind of...
With increasing demand for high capacity mobile data services and a simultaneous decline in revenue per bit, network operators face the challenge of p...
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Optimizing Communication Inverter for Telecom and Utility Applications
ISBN: 9783659511196 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book is a manageable text which focuses on the fundamental aspects of pure sine wave communication inverter design that provides practical results in economic fashion. It is structured without excessive demands on the readers mathematical skills and concentrates on the engineering perspective of reliable power supply design. Classic circuits which give insight into the design processes are presented. Engineers, Technologists and Technicians will gain a good feel for the methods and ideas that contribute to reliable grid power source needed to operate transceivers, and other data...
This book is a manageable text which focuses on the fundamental aspects of pure sine wave communication inverter design that provides practical result...
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160,58 |
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An Efficient Methodology for VLSI Circuit Partitioning
ISBN: 9783659524950 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In the recent years, with the explosive growth in the density of VLSI circuits, ecient algorithms and methodologies for circuit partitioning have been established as an important area of computer aided design for VLSI. In this book, I explore a novel methodology for the partitioning of VLSI circuits optimizing area, cost and performance according to the user priorities. A data graph representation of a circuit is taken and an optimum crossover point is calculated with the help of graph partitioning algorithms (METIS). This crossover point is used to mutate the individuals in the genetic...
In the recent years, with the explosive growth in the density of VLSI circuits, ecient algorithms and methodologies for circuit partitioning have bee...
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160,58 |
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Intelektiskās patēriņa uzskaites un monitoringa sistēmas
ISBN: 9783639658187 / Latvian / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Gr mata ir velt ta intelektiskaj m elektroener ijas uzskaites sist m m, kurus pa laik akt vi ievie vis s pasaules energosist m s un pa i Eirop, stenojot vied t kla koncepciju. Ar vied t kla j dzienu apz m piln gi integr tu automatiz tu elektrot klu ar divvirzienu komunik ciju starp saviem elementiem. Tas ietver visus elektroener ijas avotus, p rvades un sadales t klus, k ar visus elektroener ijas pat r t ju veidus. Vied uzskaite ir noz m ga vied t kla koncepcijas da a un t s izmanto anas priek nosac jums. Gr mat ir aprakst ti vied skait t ja galvenie funkcion lie bloki un izp t tas da das...
Gr mata ir velt ta intelektiskaj m elektroener ijas uzskaites sist m m, kurus pa laik akt vi ievie vis s pasaules energosist m s un pa i Eirop, stenoj...
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Silicon Photonic Computing
ISBN: 9783659546570 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. We are in an era of daily explosions in the development of optics and optical components for computing and other applications. The business of photonics is booming in industry and universities worldwide. Optics has a higher bandwidth capacity over electronics, which enables more information to be carried and data to be processed arises because electronic communication along wires requires charging of a capacitor that depends on length. In contrast, optical signals in optical fibers, optical integrated circuits, and free space do not have to charge a capacitor and are therefore faster. Another...
We are in an era of daily explosions in the development of optics and optical components for computing and other applications. The business of photoni...
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QoS Based Routing in MANET
ISBN: 9783659494673 / Angielski / Miękka / 80 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Increase in popularity of wireless technology and continuous technological advancement has made ad-hoc network as an area of interest.An ad-hoc network is an infrastructure-less, dynamic wireless network consisted of nodes that can communicate directly with each other if lying in each other vicinity .Because of the dynamic nature, nodes are free to move and arrange themselves arbitrarily. Thus, the networks topology may change rapidly and unpredictably. Existing work in ad-hoc routing is generally related to the better utilization of bandwidth only. But in order to cater all type of...
Increase in popularity of wireless technology and continuous technological advancement has made ad-hoc network as an area of interest.An ad-hoc networ...
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Remedies of Short Channel Effects in Conventional MOSFET
ISBN: 9783659566264 / Angielski / Miękka / 76 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. MOSFETs are scaled primarily due to increased packing density and speed. Due to scaling some drawbacks are found in conventional MOSFET. They are mobility degradation and surface scattering, velocity saturation in MOSFET, avalanche breakdown, hot electron effect, drain induced barrier lowering(DIBL), reduction of threshold voltage, punch through. These drawbacks are known as Short Channel Effect(SCE).The model of double halo dual material gate combines the advantages of both the channel engineering (halo) and the gate engineering techniques (dual-material gate) to effectively suppress the...
MOSFETs are scaled primarily due to increased packing density and speed. Due to scaling some drawbacks are found in conventional MOSFET. They are mobi...
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Ökonomische Evaluation von Wind-Batterie-Stationen
ISBN: 9783639626643 / Niemiecki / Miękka / 68 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Die okologischen Bedenken und die Unsicherheiten der Rohstoffpreise fuhrten zu einem schnellen Wachstum der Energieproduktion aus erneuerbaren Energiequellen. Meistens ist die erzeugte elektrische Windenergie in der Nacht hoher, wahrend der Bedarf an elektrischer Energie niedrig ist. Dies fuhrt dazu, dass ein grosser Teil der erzeugten Windenergie gedrosselt wird, anstatt in das elektrische Netz eingespeist zu werden. Daher war die Idee, Batterien fur das Speichern der gedrosselten Energie zu verwenden. In dieser Arbeit wird eine wirtschaftliche Bewertung der Wind-Batterie-Stationen in...
Die okologischen Bedenken und die Unsicherheiten der Rohstoffpreise fuhrten zu einem schnellen Wachstum der Energieproduktion aus erneuerbaren Energie...
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Rfid-Tag Antenna Design
ISBN: 9783659583209 / Angielski / Miękka / 52 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The Radio frequency identification (RFID) technology essentially consists of the reader, tag and host computer.Since the passive RFID tag does not have its own power source, therefore, the continuous sending signal by the RFID readers antenna through the air acting as activate the tag to send the information to the reader.This Research Presents small low cost passive UHF -RFID tag prototype has been designed and applied for metallic object it can also be used in tracing and tracking object it can be used in logistics and supply chain.The tag can modified into non-metallic application such...
The Radio frequency identification (RFID) technology essentially consists of the reader, tag and host computer.Since the passive RFID tag does not ha...
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Analysis of RF-Interferences in WLAN and Bluetooth Environments
ISBN: 9783639723243 / Angielski / Miękka / 80 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The Surface Acoustic Waves (SAW) technology allows the realization of RF interrogated sensors for extreme environmental conditions (temperatures up to +400 C). The SAW tags transmit data using CW radar technology, which operates in this case in the 2.45 GHz ISM band. The main interference in the 2.45 GHz band is produced by wireless systems like IEEE 802.11 WLAN and IEEE 802.15 Bluetooth. The influence of these disturbances on physical parameters of the SAW measurement results were explored in theory and practice. Based on these measurement results coexistence strategies were developed and...
The Surface Acoustic Waves (SAW) technology allows the realization of RF interrogated sensors for extreme environmental conditions (temperatures up to...
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Laboratorios remotos y virtuales; solución al trabajo independiente
ISBN: 9783659049309 / Hiszpański / Miękka / 84 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Los laboratorios remotos y virtuales desde hace unos anos se vienen implementando en universidades del mundo como parte del componente practico dentro de un programa academico en diferentes disciplinas del conocimiento. Para la Fundacion Universitaria Juan de castellanos es importante seguir creando nuevos programas academicos pero por su enfoque institucional se requiere acceder a la modalidad a distancia para ampliar la oferta academica, por lo que surge la necesidad de realizar una investigacion frente al tema del uso de laboratorios remotos y virtuales enfocados al programa de Ingenieria...
Los laboratorios remotos y virtuales desde hace unos anos se vienen implementando en universidades del mundo como parte del componente practico dentro...
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Power Optimization in NoC by using Network Partitioning Approach
ISBN: 9783659546471 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book presents the power optimization consumption for Network-on-Chip (NoC) architecture based on network partitioning (NP). The new methodology is proposed to reduce the total power consumption in NoC by utilizing network partitioning (NP) technique to solve the NoC's problem so that it gives a satisfactory performance with the use of high speed, complex ICs in mobile and portable applications. The development of NoC communication power is to estimate the total power consumption in NoC-based communication system. This algorithm will consists of vertex mapping to Processing Elements (PE),...
This book presents the power optimization consumption for Network-on-Chip (NoC) architecture based on network partitioning (NP). The new methodology i...
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Herramienta neumática y programación de rutinas para el robot FANUC
ISBN: 9783659049781 / Hiszpański / Miękka / 76 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. El presente texto consiste basicamente en el diseno de una herramienta neumatica con cuatro ventosas con aplicaciones de paletizado, la cual fue elaborada en el programa de diseno Solid Edge que es de gran utilidad en el modelado de piezas de diferentes materiales y funciones de dibujo tridimensionales. El diseno obtenido fue incorporado en el programa RoboGuide de FANUC, en el que es posible elaborar y simular rutinas en celdas de trabajo industriales empleando el robot LRMATE200iB/5P en el que se instalo la herramienta neumatica."
El presente texto consiste basicamente en el diseno de una herramienta neumatica con cuatro ventosas con aplicaciones de paletizado, la cual fue elabo...
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160,58 |
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Spread Spectrum Radar based Doppler Extraction using 2P-Power Method
ISBN: 9783659638589 / Angielski / Miękka / 56 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In this book we discuss a Spread Spectrum based radar system for car detection in the road and autonomous guidance of vehicles. Basically we have proposed a set of algorithms which lead to the solution of road and vehicle collision using carrier recovery method. One of the proposed techniques is spread spectrum which can improve the reliability of automotive radars. Along with the Radar technologies, we have proposed another algorithm to extract the moving object Doppler frequency using 2P-Power method. This Doppler frequency will help us to get information about the velocity of the vehicle...
In this book we discuss a Spread Spectrum based radar system for car detection in the road and autonomous guidance of vehicles. Basically we have prop...
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160,58 |
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Equalizer for an Integrated Optical Receiver in 65nm CMOS
ISBN: 9783639614688 / Angielski / Miękka / 76 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. This book describes the design of an analog equalizer for a fully integrated optical receiver in 65nm CMOS process which compensates for the limited bandwidth of n-well/p-sub photodiode with a roll-down of about 5dB/decade. A transimpedance amplifier which has a transimpedance gain of 70dB and 3dB bandwidth of 1.3GHz is also designed in this work. Equalization extends the bandwidth of the optical receiver to 1GHz from 6MHz. The design is simulated with Cadence Spectre simulator. Corner simulations are performed to ensure robust operation under process variations.Total power consumption is...
This book describes the design of an analog equalizer for a fully integrated optical receiver in 65nm CMOS process which compensates for the limited b...
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160,58 |
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Détection Des Contours Dans Les Images À Niveaux de Gris
ISBN: 9783841741837 / Francuski / Miękka / 68 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Ce travail consiste en une nouvelle mA(c)thode de dA(c)tection des contours des images par les rA(c)seaux de neurones multicouches. Cette mA(c)thode est basA(c)e sur la prA(c)paration d'une base de donnA(c)es formA(c)e de prototypes de contours dessinA(c)s sur des trames de taille (3x3) pixels. Deux cas sont traitA(c)s: - Cas des images binaires. - Cas des images A niveaux de gris. Les rA(c)sultats de simulation ont permis de montrer des dA(c)tails de contours qu'aucune mA(c)thode de dA(c)tection des contours classiques (Canny, Sobel, Robert, ...) n'a donnA(c).
Ce travail consiste en une nouvelle mA(c)thode de dA(c)tection des contours des images par les rA(c)seaux de neurones multicouches. Cette mA(c)thode e...
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Wireless Technology in Health Prospective
ISBN: 9783659662393 / Angielski / Miękka / 68 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Wireless technology is the ultimate invention of the world to mankind. Wireless phone call involves the broadcast of information greater than a distance without help of wires. Some of the devices used for wireless communication are telephones, mobiles, GPS units, wireless computer parts, and satellite television. Mobile-phones are a really eye-catching tool for communication and exchanging views. The numbers of mobile phones and mobile-phone towers are increasing, which causes hazardous effects to human health. There are growing concerns about the emissions of radiofrequency rays from the...
Wireless technology is the ultimate invention of the world to mankind. Wireless phone call involves the broadcast of information greater than a distan...
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160,58 |
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