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wyszukanych pozycji: 417
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Winning Chess Brilliancies
ISBN: 9781836840572 / Angielski / Twarda / 2026 / 368 str. Termin realizacji zamówienia: ok. 30 dni roboczych. |
cena:
154,07 |
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Mobile Communications System using Stratospheric Platforms
ISBN: 9783659509902 / Angielski / Miękka / 2013 / 56 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. In this book, the cell footprint of stratospheric platforms mobile communications system is analyzed and the layout extension is described. The cellular parameters are dependent on the earth surface approximations models where it can be flat or curved especially at lower elevation angle regions. When designing the system coverage, the cell becomes flattened and its eccentricity increases greatly at lower elevation angles as we use circular beams. A technique has been introduced to overcome the broadening of the cells especially at lower elevation angles. This technique is based on the...
In this book, the cell footprint of stratospheric platforms mobile communications system is analyzed and the layout extension is described. The cellul...
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cena:
166,24 |
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QoS Frameworks for Ad-Hoc and Heterogeneous Netwoks
ISBN: 9783639203004 / Angielski / Miękka / 2009 / 196 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. QoS research in mobile ad-hoc networks is a particularly difficult topic due to the network dynamics, variations in radio quality, limited capabilities of mobile nodes, and lack of central authority. Few studies paid attention to the QoS problems on the gateway to the ad-hoc network. This book presents the PYLON-Lite QoS model that deals with the cross-domains QoS issues. A PYLON-Lite gateway operates between the ad-hoc network, with its unique characteristics on one side, and the fixed topology access network on the other side. The fundamental differences between the two networks form the...
QoS research in mobile ad-hoc networks is a particularly difficult topic due to the network dynamics, variations in radio quality, limited capabilitie...
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cena:
314,87 |
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Mo's World
ISBN: 9798233220685 / Angielski / Miękka / 2025 / 80 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
54,76 |
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Basics of Gas Field Processing: Operation of Natural Gas Dehydration and Sweetening Plants
ISBN: 9781082835759 / Angielski / Miękka / 2019 / 320 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
269,49 |
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Winning Chess Tactics
ISBN: 9781836840671 / Angielski / Miękka / 2026 / 328 str. Termin realizacji zamówienia: ok. 30 dni roboczych. |
cena:
128,37 |
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Concentric Circular Antenna Arrays
ISBN: 9783659529542 / Angielski / Miękka / 2014 / 116 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. This book provides a comprehensive study on concentric circular antenna arrays and its role in wireless communications. The first chapter reviews the propagation characteristics and mobile channel impairments, then introduces the concept of smart antenna technology and its role in performance improvement for mobile systems. Chapter two describes the various two-dimensional array structures for mobile communications including planer rectangular arrays, circular arrays, and introduces the concentric circular arrays concepts. Finally in chapter three, the concentric circular antenna arrays are...
This book provides a comprehensive study on concentric circular antenna arrays and its role in wireless communications. The first chapter reviews the ...
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cena:
254,22 |
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Muito Além do Treino: O profissional da saúde em movimento
ISBN: 9798293202003 / Portugalski / Miękka / 2025 / 118 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
42,74 |
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Play Winning Chess
ISBN: 9781857443318 / Angielski / Miękka / 2003 / 240 str. Termin realizacji zamówienia: ok. 8-10 dni roboczych. Play Winning Chess is an introduction to the moves, strategies and philosophy of chess, with clear explanations of the games, fundamental and instructive examples, question-and-answer sections, sample games and psychological hints.
Play Winning Chess is an introduction to the moves, strategies and philosophy of chess, with clear explanations of the games, fundamental and instruct...
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cena:
83,31 |
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Allume ta bougie: Une conception saharienne
ISBN: 9782343235776 / Francuski / Miękka / 2021 / 126 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
74,96 |
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Postales de Bolivia. Experiencias del Programa Nacional de Alfabetizaci?n.
ISBN: 9789917055334 / Hiszpański / Miękka / 2025 / 272 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
104,91 |
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Restore your Dreamland: 17 stories on the mysteries, wonders and science of sleep
ISBN: 9781838352608 / Angielski / Miękka / 2020 / 236 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
65,14 |
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Winning Chess Tactics
ISBN: 9781857443868 / Angielski / Miękka / 2005 / 240 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. Readers will learn sure-fire tactics and combinations from one of the world's top chess players. Attack? Defend? Swap pieces? Tactics are the watchdogs of strategy that take advantage of short-term opportunities to trap or ambush opponents and quite possibly change the course of a game in a single move. Why should players only hope that opponents will blunder when International Grandmaster Yasser Seirawan can show them how to put the tactics of the world's chess legends to work. Choose from the double attack, the pin, the skewer, deflection, the decor, x-rays, windmills, and many more...
Readers will learn sure-fire tactics and combinations from one of the world's top chess players. Attack? Defend? Swap pieces? Tactics are the watchdog...
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cena:
106,73 |
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Greffe de rein provenant d'un donneur vivant
ISBN: 9786209970856 / Francuski / Miękka / 2026 / 124 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
355,91 |
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Play Winning Chess
ISBN: 9781836840510 / Angielski / Twarda / 2026 / 224 str. Termin realizacji zamówienia: ok. 30 dni roboczych. |
cena:
128,37 |
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Unsaintly
ISBN: 9798366853255 / Angielski / Miękka / 2022 / 34 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
23,02 |
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Transplante renal de dador vivo
ISBN: 9786209978531 / Portugalski / Miękka / 2026 / 120 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
355,91 |
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Winning Chess Strategies
ISBN: 9781836840558 / Angielski / Miękka / 2026 / 360 str. Termin realizacji zamówienia: ok. 30 dni roboczych. |
cena:
128,37 |
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Beamforming Techniques for High-Altitude Platforms Communications
ISBN: 9783659504136 / Angielski / Miękka / 2013 / 164 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. In this book, the coverage of High-Altitude Platforms cellular system is analyzed and improved using antenna arrays and beamforming techniques. Firstly, the HAP cell footprint is analyzed and footprint equations are investigated that include the effects of the earth's curvature. Secondly, regarding the cellular layout expansion of HAPs, an algorithm is introduced for cells' beams pointing generation. Thirdly, the carrier-to-interference (CIR) in the HAP tessellated cell structure has been improved using uniform circular antenna arrays (UCCAs) with low-sidelobe levels. Fourthly, the wide area...
In this book, the coverage of High-Altitude Platforms cellular system is analyzed and improved using antenna arrays and beamforming techniques. Firstl...
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cena:
332,93 |
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Circularly Masked Planar Arrays : Modeling & Design
ISBN: 9783659859823 / Angielski / Miękka / 2016 / 56 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
166,24 |
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