01253nam2 22002651i 450 VAN004365720221129025705.23520060406d1938 |0itac50 baitaIT|||| |||||ˆ3: ‰Dei quasi contrattiGiovanni PacchioniPadovaCedam1938325 p.25 cm001VAN00436542001 ˆ2: ‰Diritto delle obbligazioniGiovanni Pacchioni210 PadovaCedam215 Fondo Raffaele Papa3PadovaVANL000007PacchioniGiovanniVANV035405194440CEDAMVANV111515650ITSOL20221202RICAVAN0043657BIBLIOTECA DEL DIPARTIMENTO DI GIURISPRUDENZA00CONS FB.XV.196 00FB 4205 20110517 Fondo Salvatore BiggieroBIBLIOTECA DEL DIPARTIMENTO DI GIURISPRUDENZA00CONS XV.Eca.158 00FP 28972 20060906 Fondo Raffaele PapaBIBLIOTECA DEL DIPARTIMENTO DI GIURISPRUDENZA00CONS XV.Eca.158 bis 00 15432 20061124 Dei quasi contratti63845UNISOB01109nam0 22002771i 450 UON0010255520231205102559.71920020107d1994 |0itac50 baitaIT|||| |||||ˆIl ‰ripostiglio di Monasterolo Brembio (Milano), 1929a cura di Maila ChiaravalleMilanoComune di Milano199435 p.ill.28 cm001UON000901692001 Ripostigli monetali in ItaliaDocumentazione dei complessiNUMISMATICALombardiaUONC027224FIITMilanoUONL000005JNUMISMATICAACHIARAVALLEMailaUONV057564Comune di MilanoUONV259593650ITSOL20240220RICASIBA - SISTEMA BIBLIOTECARIO DI ATENEOUONSIUON00102555SIBA - SISTEMA BIBLIOTECARIO DI ATENEOSI J 073 002 10 SI MC 18625 5 10 Ripostiglio di Monasterolo Brembio (Milano), 1929284792UNIOR05155nam 2200673 a 450 991102008570332120200520144314.09786612756443978128275644112827564439780470930427047093042X97804709322610470932260(CKB)2670000000034257(EBL)588871(OCoLC)664572496(SSID)ssj0000423304(PQKBManifestationID)11280072(PQKBTitleCode)TC0000423304(PQKBWorkID)10441163(PQKB)11315560(MiAaPQ)EBC588871(Perlego)2771512(EXLCZ)99267000000003425719921022d1993 uy 0engur|n|---|||||txtccrMobile communications design fundamentals /William C.Y. Lee2nd ed.New York Wileyc19931 online resource (396 p.)Wiley series in telecommunications"A Wiley-Interscience publication."9780471574460 0471574465 Includes bibliographical references and index.Mobile Communications Design Fundamentals; CONTENTS; Preface; Acknowledgments; Chapter 1 The Mobile Radio Environment; 1.1 Representation of a Mobile Radio Signal; 1.1.1 Description of a Mobile Radio Environment; 1.1.2 Field-Strength Representation; 1.1.3 Mobile Radio Signal Representation; 1.2 Causes of Propagation Path Loss; 1.3 Causes of Fading; 1.3.1 Long-Term Fading, m(t) or m(x); 1.3.2 Short-Term Fading, r0(t) or r0(x); 1.3.3 Classification of Channels; 1.3.4 Effects of Weather; 1.4 Reciprocity Principle; 1.5 Definitions of Necessary Terms and Their Applications; 1.5.1 Averages1.5.2 Probability Density Function (pdf)1.5.3 Cumulative Probability Distribution (CPD); 1.5.4 Level-Crossing Rate (ler) and Average Duration of Fades (adf); 1.5.5 Correlation and Power Spectrum; 1.5.6 Delay Spread, Coherence Bandwidth, Intersymbol Interference; 1.5.7 Confidence Interval; 1.5.8 False-Alarm Rate and Word-Error Rate; References; Problems; Chapter 2 Prediction of Propagation Loss; 2.1 The Philosophy behind the Prediction of Propagation Loss; 2.2 Obtaining Meaningful Propagation-Loss Data from Measurements; 2.2.1 Determining the Length L2.2.2 Determining the Number of Sample Points Required over 40λ2.2.3 Mobile Path and Radio Path; 2.3 Prediction over Flat Terrain; 2.3.1 Finding the Reflection Point on a Terrain; 2.3.2 Classification of Terrain Roughness; 2.3.3 The Reflection Coefficient of the Ground Wave; 2.3.4 Models for Predicting Propagation Path Loss; 2.3.5 A Theoretical Model for Path Loss; 2.3.6 An Area-to-Area Path-Loss Prediction Model; 2.3.7 The Model of Okumura et al.; 2.3.8 A General Path-Loss Formula over Different Environments; 2.4 Point-to-Point Prediction (Path-Loss Prediction over Hilly Terrain)2.4.1 Point-to-Point Prediction under Nonobstructive Conditions2.4.2 Point-to-Point Prediction under Obstructive Conditions-Shadow Loss; 2.5 Other Factors; 2.5.1 Foliage Effects; 2.5.2 Street Orientation Channel Effect; 2.5.3 The Tunnel and Underpass Effects; 2.6 The Merit of Point-to-Point Prediction; 2.7 Microcell Prediction Model; References; Problems; Chapter 3 Calculation of Fades and Methods of Reducing Fades; 3.1 Amplitude Fades; 3.1.1 Level-Crossing Rates; 3.1.2 Average Duration of Fades; 3.1.3 Distribution of Duration of Fades3.1.4 Envelope Correlation between Two Closely Spaced Antennas at the Mobile Unit3.1.5 Power Spectrum; 3.2 Random PM and Random FM; 3.2.1 Random Phase Ψr(t); 3.2.2 Random FMΨr(t); 3.3 Selective Fading and Selective Random FM; 3.3.1 Selective Fading; 3.3.2 Selective Random FM; 3.4 Diversity Schemes; 3.4.1 Macroscopic Diversity (Apply on Separated Antenna Sites); 3.4.2 Microscopic Diversity (Apply on Co-located Antenna Site); 3.5 Combining Techniques; 3.5.1 Combining Techniques on Diversity Schemes; 3.5.2 Combining Techniques for Reducing Random Phase3.6 Bit-Error Rate and Word-Error Rate in Fading EnvironmentRevised and enlarged version that discusses how to design a mobile communications system. Comprehensively examines the mobile radio environment. Covers prediction of propagation loss, calculation and methods of reducing fades, interference, frequency plans and associated schemes, design parameters, signaling and channel access, cellular CDMA, microcell systems, and miscellaneous related systems. Contains chapter-by-chapter references and problems.Wiley series in telecommunications.Mobile communication systemsDesignMobile communication systemsDesign.621.3845/6Lee William C. Y523173MiAaPQMiAaPQMiAaPQBOOK9911020085703321Mobile communications design fundamentals1427898UNINA