03040cam2 2200301 450 E60020006546420210303120646.020100708g00009999|||||ita|0103 bafreDE<<1: >>OeuvresBenjamin ConstantTübingenMax Niemeyerv.23 cm001E6002000654622000 Oeuvres complètes / Benjamin Constant001E6002000654612000 <<1: >>Écrits de jeunesse (1774-1795) / Benjamin Constant ; volume dirigé par Lucia Omacini et Jean-Daniel Candaux ; textes établis et annotés par Mauro Barberis ... [et al.]001E6002000654662000 <<2.1: >>De la justice politique (1798-1800) d'après l'‘Enquiry concerning political justice’ de William Godwin / Benjamin Constant ; volume dirigé par Lucia Omacini et Étienne Hofmann ; textes établis et annotés par Laura Saggiorato ... [et al.]001E6002000654682000 <<2.2: >>De la justice politique (1798-1800) d'après l'‘Enquiry concerning political justice’ de William Godwin / Benjamin Constant ; volume dirigé par Lucia Omacini et Étienne Hofmann ; textes établis et annotés par Laura Saggiorato ... [et al.]001SOBE000583952000 <<4: >>Discours au Tribunat ; De la possibilité d'une constitution républicaine dans un grand pays (1799-1803) / Benjamin Constant ; volume dirigé par María Luisa Sánchez-Mejía et Kurt Kloocke ; établissement des textes, introductions et notes par Boris Anelli ... [et al.]001SOBE000575762000 <<11: >>Textes de 1818 : lectures à l'Athénée; Annales de la session de 1817 à 1818; Cours de politique constitutionnelle; La Minerve française; Affaires W. Regnault et C. Lainé; Élections de 1818 / Benjamin Constant ; volume dirigé par Étienne Hofmann ; établissement des textes, introductions et notes par Léonard Burnand ... [et al.] ; instruments bibliographiques par Laura Wilfinger001SOBE000656842000 <<13: >>Articles de journaux 1819-1820 / Benjamin Constant ; volume dirigé par Léonard Burnand ; établissement des textes, introductions et notes par Marianne Berlinger-Konqui ... [et al.] ; instruments bibliographiques et index par Laura Wilfinger001SOBE000656852000 <<26: >>Commentaire sur l'ouvrage de Filangieri / Benjamin Constant ; volume dirigé par Kurt Kloocke et Antonio Trampus ; établissement des textes, introductions et notes et par Kurt Kloocke ... [et al.] ; instruments bibliographiques par Laura Wilfinger001SOBE000656862000 <<33: >>Mélanges de littérature et de politique / Benjamin Constant ; volume dirigé par François Rosset ; établissement des textes par Étienne Hofmann ... [et al.] ; introductions et notes par Léonard Burnand ... [et al.] ; instruments bibliographiques par Laura WilfingerITUNISOB20210303RICAE600200065464M 102 Monografia moderna SBNMOeuvres308454UNISOB05487nam 2200697 a 450 991083067070332120170815165036.01-118-55775-11-118-58657-31-299-27736-51-118-58659-X(CKB)2560000000099411(EBL)1143597(SSID)ssj0000834349(PQKBManifestationID)11966446(PQKBTitleCode)TC0000834349(PQKBWorkID)10980946(PQKB)11102067(MiAaPQ)EBC1143597(OCoLC)830161723(CaSebORM)9781118586570(PPN)175192979(EXLCZ)99256000000009941120101013d2011 uy 0engur|n|---|||||txtccrUltra-wide band antennas[electronic resource] /edited by Xavier Begaud1st editionLondon ISTE ;Hoboken, N.J. Wiley20111 online resource (292 p.)ISTEAdapted and updated from: Les antennes ultra large bande, France : Hermes Science/Lavoisier, 2010."Rev. papers of the autumn school, GDR Ondes, organized in Valence, Oct. 2006"--T.p. verso.1-84821-232-1 Includes bibliographical references and index.Cover; Ultra Wide Band Antennas; Title Page; Copyright Page; Table of Contents; Preface; Chapter 1. Applications of Ultra Wide Band Systems; 1.1. Introduction; 1.2. UWB regulation: a complex context; 1.2.1. UWB regulation in the USA; 1.2.2. UWB regulation in Europe; 1.2.3. UWB regulation in Japan; 1.2.4. Emission mask in the United States, Europe and Japan; 1.3. Formal Ultra Wide Band types; 1.3.1. Ultra Wide Band Impulse Radio (UWB-IR); 1.3.2. OFDM-ultra wide band (UWB-OFDM); 1.4. Non-formal ultra wide band types; 1.4.1. Ultra wide band frequency hopping (UWB-FH)1.4.2. Chirp Ultra Wide Band (UWB-FM)1.5. Comparison between the different Ultra Wide Band techniques; 1.6. Typical UWB-OFDM applications; 1.6.1. Peripheral connection to a PC; 1.6.2. High speed applications in large structures with optical fiber backbone; 1.6.3. High speed UWB in a harsh indoor environment; 1.6.4. High speed UWB combined with other technologies; 1.7. Specialized UWB-OFDM applications; 1.7.1. Last mile radio applications; 1.7.2. Information and video streaming applications; 1.8. Typical applications of the Impulse Radio UWB, UWB-FH and UWB-FM1.8.1. Professional geo-localization1.8.2. Geolocalization for private individuals; 1.9. Impact on the antennas; Chapter 2. Radiation Characteristics of Antennas; 2.1. Introduction; 2.1.1. What is an antenna and how can we define it?; 2.1.2. Where does antenna radiation come from?; 2.2. How can we characterize an antenna?; 2.2.1. Plane wave and polarization; 2.3. Radiation fields and radiation power; 2.3.1. Radiation fields; 2.3.2. Radiation power; 2.3.3. The radiation pattern, the phase center; 2.3.4. Directive gain, directivity; 2.3.5. Radiation impedance and radiation resistance2.4. Gain, efficiency and effective aperture2.4.1. Gain and efficiency; 2.4.2. Receive antenna effective aperture; 2.5. Budget link, transfer function; 2.6. Equivalent circuits of the antennas; 2.7. Bandwidth; 2.8. Example of characterization: the triangular probe antenna in F; 2.8.1. Description of the structure; 2.8.2. Impedance matching; 2.8.3. Radiation patterns; 2.8.4. Optimization of the antenna; Chapter 3. Representation, Characterization and Modeling of Ultra Wide Band Antennas; 3.1. Introduction; 3.2. Specificities of UWB antennas: stakes and representation3.2.1. Context and requirements of an effective and complete representation3.2.2. Transfer function in transmission; 3.2.3. Transfer function in reception, reciprocity; 3.2.4. Transfer function and "conventional" quantities; 3.2.5. Elements on the measurement of transfer functions in the frequency domain; 3.3. Temporal behavior, distortion; 3.4. Distortion and ideality; 3.5. Performance characterization: synthetic indicators; 3.5.1. Energy gain and mean realized gain (MRG); 3.5.2. Synthetic indicators of distortion3.6. Parsimonious representation by development of singularities and spherical modesUltra Wide Band Technology (UWB) has reached a level of maturity that allows us to offer wireless links with either high or low data rates. These wireless links are frequently associated with a location capability for which ultimate accuracy varies with the inverse of the frequency bandwidth. Using time or frequency domain waveforms, they are currently the subject of international standards facilitating their commercial implementation. Drawing up a complete state of the art, Ultra Wide Band Antennas is aimed at students, engineers and researchers and presents a summary of internationally recogISTEUltra-wideband antennasCongressesUltra-wideband antennas621.382/4621.3824621.384135TEC008000bisacshBegaud Xavier1663188Begaud Xavier1663188MiAaPQMiAaPQMiAaPQBOOK9910830670703321Ultra-wide band antennas4020312UNINA