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[null,"1.","Record Nr.",null,"UNINA990006952190403321"]
[null,null,"Autore",null,"Fiore, Pasquale"]
[null,null,"Titolo",null,"Il Diritto internazionale codificato e la sua sanzione giuridica : seguito da un sunto storico dei più importanti trattati internazionali : studi / Pasquale Fiore"]
[null,null,"Pubbl/distr/stampa",null,"Torino : Unione Tipografico-editrice, 1890"]
[null,null,"Descrizione fisica",null,"638 p. ; 24 cm"]
[null,null,"Collana",null,"Ordinamento giuridico della Società degli Stati"]
[null,null,"Disciplina",null,"341"]
[null,null,"Locazione",null,"FGBC"]
[null,null,"Collocazione",null,"X B 174"]
[null,null,"Lingua di pubblicazione",null,"Italiano"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,"2.","Record Nr.",null,"UNISALENTO991001688319707536"]
[null,null,"Autore",null,"Jara, Rene"]
[null,null,"Titolo",null,"Amerindian images and the legacy of Columbus / Rene Jara and Nicholas Spadaccini"]
[null,null,"Pubbl/distr/stampa",null,"Minneapolis : Univ. of Minnesota Press, 1992"]
[null,null,"Descrizione fisica",null,"ix, 758 p. ; 21 cm."]
[null,null,"Collana",null,"Hispanic issues ; 9"]
[null,null,"Disciplina",null,"970"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,"3.","Record Nr.",null,"UNINA9910831187403321"]
[null,null,"Autore",null,"Kizer George M (George Maurice), <1945->"]
[null,null,"Titolo",null,"Digital microwave communication : engineering point-to-point microwave systems / / George Kizer"]
[null,null,"Pubbl/distr/stampa",null,"Hoboken, New Jersey : , : IEEE Press, , [2013]"]
[{"$nulls":4},"[Piscataqay, New Jersey] : , : IEEE Xplore, , [2013]"]
[null,null,"ISBN",null,"1-118-63680-5"]
[{"$nulls":4},"1-118-63674-0"]
[null,null,"Descrizione fisica",null,"1 online resource (758 p.)"]
[null,null,"Classificazione",null,"TEC024000"]
[null,null,"Disciplina",null,"621.382"]
[null,null,"Soggetti",null,"Microwave communication systems"]
[{"$nulls":4},"Digital communications"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Description based upon print version of record."]
[null,null,null,"Nota di bibliografia","Includes bibliographical references and index."]
[null,null,"Nota di contenuto",null,"Preface xv -- Acknowledgments xvii -- About the Author xix -- 1 A Brief History of Microwave Radio Fixed Point-to-Point (Relay) Communication Systems 1 -- 1.1 In the Beginning, 1 -- 1.2 Microwave Telecommunications Companies, 7 -- 1.3 Practical Applications, 10 -- 1.4 The Beat Goes On, 14 -- References, 16 -- 2 Regulation of Microwave Radio Transmissions 20 -- 2.1 Radio Frequency Management, 21 -- 2.2 Testing for Interference, 28 -- 2.3 Radio Paths by FCC Frequency Band in the United States, 29 -- 2.4 Influences in Frequency Allocation and Utilization Policy within the Western Hemisphere, 30 -- 2.4.1 United States of America (USA), 30 -- 2.4.2 Canada, 36 -- 2.5 FCC Fixed Radio Services, 36 -- 2.6 Site Data Accuracy Requirements, 41 -- 2.7 FCC Antenna Registration System (ASR) Registration Requirements, 42 -- 2.8 Engineering Microwave Paths Near Airports and Heliports, 44 -- 2.8.1 Airport Guidelines, 46 -- References, 47 -- 3 Microwave Radio Overview 48 -- 3.1 Introduction, 48 -- 3.2 Digital Signaling, 50 -- 3.3 Noise Figure, Noise Factor, Noise Temperature, and Front End Noise, 50 -- 3.4 Digital Pulse Amplitude Modulation (PAM), 53 -- 3.5 Radio Transmitters and Receivers, 58 -- 3.6 Modulation Format, 60 -- 3.7 QAM Digital Radios, 65 -- 3.8 Channel Equalization, 68 -- 3.9 Channel Coding, 70 -- 3.10 Trellis Coded Modulation (TCM), 72 -- 3.11 Orthogonal Frequency Division Multiplexing (OFDM), 75 -- 3.12 Radio Configurations, 76 -- 3.12.1 Cross-Polarization Interference Cancellation (XPIC), 78 -- 3.13 "]
[{"$nulls":4},"Frequency Diversity and Multiline Considerations, 82 -- 3.14 Transmission Latency, 85 -- 3.15 Automatic Transmitter Power Control (ATPC), 87 -- 3.16 Current Trends, 87 -- 3.16.1 TDM (or ATM) over IP, 87 -- 3.16.2 TDM Synchronization over IP, 88 -- 3.16.3 Adaptive Modulation, 89 -- 3.16.4 Quality of Service (QoS) [Grade of Service (GoS) in Europe], 89 -- References, 90 -- 4 Radio Network Performance Objectives 96 -- 4.1 Customer Service Objectives, 96 -- 4.2 Maintenance Objectives, 96."]
[{"$nulls":4},"4.3 Commissioning Objectives, 98 -- 4.4 Design Objectives, 98 -- 4.4.1 Quality, 98 -- 4.4.2 Availability, 98 -- 4.5 Differences Between North American and European Radio System Objectives, 99 -- 4.5.1 North American Radio Engineering Standards (Historical Bell System Oriented), 99 -- 4.5.2 European Radio Engineering Standards (ITU Oriented), 99 -- 4.6 North American Telecommunications System Design Objectives, 100 -- 4.7 International Telecommunications System Design Objectives, 100 -- 4.7.1 Legacy European Microwave Radio Standards, 102 -- 4.7.2 Modern European Microwave Radio Standards, 102 -- 4.8 Engineering Microwave Paths to Design Objectives, 102 -- 4.9 Accuracy of Path Availability Calculations, 106 -- 4.9.1 Rain Fading, 106 -- 4.9.2 Multipath Fading, 106 -- 4.9.3 Dispersive Fading Outage, 107 -- 4.9.4 Diversity Improvement Factor, 107 -- 4.10 Impact of Flat Multipath Variability, 108 -- 4.11 Impact of Outage Measurement Methodology, 108 -- 4.12 Impact of External Interference, 109 -- 4.13 Conclusion, 109 -- References, 110 -- 5 Radio System Components 114 -- 5.1 Microwave Signal Transmission Lines, 115 -- 5.2 Antenna Support Structures, 121 -- 5.2.1 Lattice Towers, 122 -- 5.2.2 Self-Supporting Towers, 122 -- 5.2.3 Guyed Towers, 122 -- 5.2.4 Monopoles, 124 -- 5.2.5 Architecturally Designed Towers, 125 -- 5.2.6 Building-Mounted Antennas, 126 -- 5.2.7 Camouflaged Structures, 126 -- 5.2.8 Temporary Structures, 126 -- 5.3 Tower Rigidity and Integrity, 127 -- 5.4 Transmission Line Management, 127 -- 5.5 Antennas, 127 -- 5.6 Near Field, 137 -- 5.7 Fundamental Antenna Limitations, 143 -- 5.8 Propagation, 143 -- 5.9 Radio System Performance as a Function of Radio Path Propagation, 145 -- 5.9.1 Flat Fading, 146 -- 5.9.2 Dispersive Fading, 148 -- 5.10 Radio System Performance as a Function of Radio Path Terrain, 149 -- 5.11 Antenna Placement, 153 -- 5.12 Frequency Band Characteristics, 155 -- 5.13 Path Distances, 157 -- 5.A Appendix, 159 -- 5.A.1 Antenna Isotropic Gain and Free Space Loss, 159."]
[{"$nulls":4},"5.A.2 Free Space Loss, 163 -- 5.A.3 Antenna Isotropic Gain, 164 -- 5.A.4 Circular (Parabolic) Antennas, 166 -- 5.A.5 Square (Panel) Antennas, 167 -- 5.A.6 11-GHz Two-foot Antennas, 168 -- 5.A.7 Tower Rigidity Requirements, 169 -- References, 172 -- 6 Designing and Operating Microwave Systems 175 -- 6.1 Why Microwave Radio? 175 -- 6.2 Radio System Design, 175 -- 6.3 Designing Low Frequency Radio Networks, 179 -- 6.4 Designing High Frequency Radio Networks, 182 -- 6.4.1 Hub and Spoke, 183 -- 6.4.2 Nested Rings, 184 -- 6.5 Field Measurements, 185 -- 6.6 User Data Interfaces, 185 -- 6.7 Operations and Maintenance, 202 -- 6.7.1 Fault Management, 203 -- 6.7.2 Alarms and Status, 206 -- 6.7.3 Performance Management, 207 -- 6.8 Maintaining the Network, 210 -- References, 217 -- 7 Hypothetical Reference Circuits 220 -- 7.1 North American (NA) Availability Objectives, 220 -- 7.1.1 NA Bell System Hypothetical Reference Circuit-Availability Objectives, 220 -- 7.1.2 NA Telcordia Hypothetical Reference Circuit-Availability Objectives, 222 -- 7.2 North American Quality Objectives, 225 -- 7.2.1 Residual BER, 225 -- 7.2.2 Burst Errored Seconds, 225 -- 7.2.3 DS1 Errored Seconds, 225 -- 7.2.4 DS3 Errored Seconds, 225 -- 7.3 International Objectives, 225 -- 7.3.1 "]
[{"$nulls":4},"International Telecommunication Union Availability Objectives, 228 -- 7.4 International Telecommunication Union Quality Objectives, 236 -- 7.4.1 Legacy Quality Objectives, 236 -- 7.4.2 Current Quality Objectives, 240 -- 7.5 Error-Performance Relationship Among BER, BBER, and SESs, 245 -- References, 247 -- 8 Microwave Antenna Theory 249 -- 8.1 Common Parameters, 251 -- 8.2 Passive Reflectors, 252 -- 8.2.1 Passive Reflector Far Field Radiation Pattern, 253 -- 8.2.2 Passive Reflector Near Field Power Density, 255 -- 8.3 Circular (Parabolic) Antennas, 256 -- 8.3.1 Circular (Parabolic) Antenna Far Field Radiation Pattern, 256 -- 8.3.2 Circular (Parabolic) Antenna Efficiency, 260 -- 8.3.3 Circular (Parabolic) Antenna Beamwidth, 261."]
[{"$nulls":4},"8.3.4 Circular (Parabolic) Antenna Near Field Power Density, 264 -- 8.3.5 General Near Field Power Density Calculations, 265 -- 8.3.6 Circular Antenna Near Field Power Density Transitions, 272 -- 8.3.7 Circular Antenna Far Field Reference Power, 273 -- 8.4 Square Flat Panel Antennas, 274 -- 8.4.1 Square Antenna Beamwidth, 276 -- 8.4.2 Square Near Field Power Density, 279 -- 8.4.3 Square Antenna Far Field Reference Power, 288 -- 8.4.4 Square Near Field Power Density Transitions, 289 -- 8.5 Regulatory Near Field Power Density Limits, 290 -- 8.6 Practical Near Field Power Calculations, 290 -- 8.6.1 A Parabolic Antenna Near Field Power Example Calculation, 293 -- 8.6.2 Safety Limits, 294 -- 8.7 Near Field Antenna Coupling Loss, 296 -- 8.7.1 Antenna to Antenna Near Field Coupling Loss, 296 -- 8.7.2 Coupling Loss between Identical Antennas, 300 -- 8.7.3 Coupling Loss between Different-Sized Circular Antennas, 300 -- 8.7.4 Coupling Loss between Different-Sized Square Antennas, 301 -- 8.7.5 Parabolic Antenna to Passive Reflector Near Field Coupling Loss, 302 -- 8.7.6 Coupling Loss for Circular Antenna and Square Reflector, 303 -- 8.7.7 Coupling Loss for Square Antenna and Square Reflector (Both Aligned), 305 -- 8.7.8 Back-to-Back Square Passive Reflector Near Field Coupling Loss, 306 -- 8.A Appendix, 307 -- 8.A.1 Circular Antenna Numerical Power Calculations, 307 -- 8.A.2 Square Antenna Numerical Power Calculations, 311 -- 8.A.3 Bessel Functions, 315 -- References, 318 -- 9 Multipath Fading 320 -- 9.1 Flat and Dispersive Fading, 329 -- 9.A Appendix, 338 -- 9.A.1 Fading Statistics, 338 -- 9.A.2 DFM Equation Derivation, 339 -- 9.A.3 Characteristics of Receiver Signature Curves and DFM, 342 -- References, 344 -- 10 Microwave Radio Diversity 348 -- 10.1 Space Diversity, 350 -- 10.2 Dual-Frequency Diversity, 354 -- 10.3 Quad (Space and Frequency) Diversity, 357 -- 10.4 Hybrid Diversity, 358 -- 10.5 Multiline Frequency Diversity, 358 -- 10.6 Crossband Multiline, 365 -- 10.7 Angle Diversity, 366."]
[{"$nulls":4},"10.7.1 Angle Diversity Configurations, 368 -- 10.7.2 Angle Diversity Performance, 371 -- 10.A Appendix, 372 -- 10.A.1 Optimizing Space Diversity Vertical Spacing, 372 -- 10.A.2 Additional Optimization, 377 -- References, 380 -- 11 Rain Fading 384 -- 11.1 Point (Single-Location) Rain Loss (Fade) Estimation, 386 -- 11.2 Path Rain-Fade Estimation, 390 -- 11.3 Point-to-Path Length Conversion Factor, 398 -- 11.4 Single-Location Rain Rate R, 398 -- 11.5 City Rain Rate Data for North America, 407 -- 11.6 New Rain Zones, 430 -- 11.7 Worst-Month Rain Rates, 430 -- 11.8 Point Rain Rate Variability, 439 -- 11.9 Examples of Rain-Loss-Dominated Path Designs, 441 -- 11.10 Conclusions, 444 -- 11.A Appendix, 446 -- 11.A.1 North American City Rain Data Index, 446 -- References, 458 -- 12 Ducting and Obstruction Fading 461 -- 12.1 Introduction, 461 -- 12.1.1 Power Fading, 463 -- 12.2 Superrefraction (Ducting), 465 -- 12.3 Subrefraction (Earth Bulge or Obstruction), 469 -- 12.4 Minimizing Obstruction Fading, 471 -- 12.4.1 Path Clearance (Antenna Vertical Placement) Criteria, 471 -- 12.5 Obstruction Fading Model, 477 -- "]
[{"$nulls":4},"12.6 Obstruction Fading Estimation, 479 -- 12.7 Bell Labs Seasonal Parameter Charts, 483 -- 12.8 Refractivity Data Limitations, 484 -- 12.9 Reviewing the Bell Labs Seasonal Parameter Charts, 485 -- 12.10 Obstruction Fading Parameter Estimation, 486 -- 12.11 Evaluating Path Clearance Criteria, 487 -- 12.A Appendix: North American Refractivity Index Charts, 490 -- 12.B Appendix: Worldwide Obstruction Fading Data, 491 -- References, 511 -- 13 Reflections and Obstructions 514 -- 13.1 Theoretical Rough Earth Reflection Coefficient, 514 -- 13.1.1 Gaussian Model, 516 -- 13.1.2 Uniform Model, 517 -- 13.2 Scattering from Earth Terrain, 517 -- 13.3 Practical Earth Reflection Coefficient, 519 -- 13.4 Reflection Location, 519 -- 13.5 Smooth Earth Divergence Factor, 522 -- 13.6 Reflections from Objects Near a Path, 523 -- 13.7 Fresnel Zones, 525 -- 13.8 Antenna Launch Angle (Transmit or Receive Antenna Takeoff Angle), 527."]
[{"$nulls":4},"13.9 Grazing Angle, 527 -- 13.10 Additional Path Distance, 528 -- 13.11 Estimating the Effect of a Signal Reflected from the Earth, 528 -- 13.12 Flat Earth Obstruction Path Loss, 529 -- 13.13 Smooth Earth Obstruction Loss, 529 -- 13.14 Knife-Edge Obstruction Path Gain, 530 -- 13.15 Rounded-Edge Obstruction Path Gain, 531 -- 13.16 Complex Terrain Obstruction Losses, 532 -- 13.A Appendix, 536 -- 13.A.1 Smooth Earth Reflection Coefficient, 536 -- 13.A.2 Procedure for Calculating RH AND RV, 536 -- 13.A.3 Earth Parameters for Frequencies Between 100 kHz and 1 GHz, 538 -- 13.A.4 Earth Parameters for Frequencies Between 1 GHz and 100 GHz, 540 -- 13.A.5 Comments on Conductivity and Permittivity, 541 -- 13.A.6 Reflection Coefficients, 541 -- References, 555 -- 14 Digital Receiver Interference 559 -- 14.1 Composite Interference (T/T) Criterion, 559 -- 14.2 Carrier-to-Interference Ratio (C/I) Criterion, 560 -- 14.3 Measuring C/I, 560 -- 14.4 Estimating C/I, 561 -- 14.5 Threshold to Interference (T/I) Criterion, 562 -- 14.6 Why Estimate T/I, 563 -- 14.7 T/I Estimation-Method One, 564 -- 14.8 T/I Estimation-Method Two, 565 -- 14.9 Conclusion, 569 -- 14.A Appendix, 569 -- 14.A.1 Basic 10-6 Threshold for Gaussian (Radio Front End) Noise Only, 569 -- 14.A.2 Using a Spectrum Mask as a Default Spectrum Curve, 570 -- 14.B Appendix: Receiver Parameters, 571 -- References, 572 -- 15 Network Reliability Calculations 573 -- 15.1 Hardware Reliability, 574 -- 15.2 System Reliability, 577 -- 15.2.1 Equipment in Series, 577 -- 15.2.2 Multiple Equipment in Parallel, 578 -- 15.2.3 Nested Equipment, 579 -- 15.2.4 Meshed Duplex Configuration, 579 -- 15.3 Communication Systems, 579 -- 15.4 Application to Radio Configurations, 580 -- 15.5 Spare Unit Requirements, 580 -- 15.6 BER Estimation, 583 -- 15.6.1 Time to Transmit N Digits, 585 -- References, 585 -- 16 Path Performance Calculations 587 -- 16.1 Path Loss, 588 -- 16.2 Fade Margin, 589 -- 16.3 Path Performance, 589 -- 16.4 Allowance for Interference, 590."]
[{"$nulls":4},"16.5 North American (NA) Path Performance Calculations, 590 -- 16.5.1 Vigants-Barnett Multipath Fading (Barnett, 1972; Vigants, 1975)-NA, 591 -- 16.5.2 Cross-Polarization Discrimination Degradation Outages-NA, 596 -- 16.5.3 Space Diversity: Flat-Fading Improvement-NA, 596 -- 16.5.4 Space Diversity: Dispersive-Fading Improvement-NA, 599 -- 16.5.5 Dual Frequency Diversity: Flat-Fading Improvement-NA, 599 -- 16.5.6 Dual Frequency Diversity: Dispersive-Fading Improvement-NA, 600 -- 16.5.7 Quad (Space and Frequency) Diversity-NA, 601 -- 16.5.8 Hybrid Diversity-NA, 601 -- 16.5.9 Multiline Frequency Diversity-NA, 601 -- 16.5.10 Angle Diversity-NA, 602 -- 16.5.11 Upfading-NA, 603 -- 16.5.12 Shallow Flat Fading-NA, 603 -- 16.6 International Telecommunication Union-Radiocommunication Sector (ITU-R) Path Performance Calculations, 604 "]
[{"$nulls":4},"-- 16.6.1 Flat Fading-ITU-R, 605 -- 16.6.2 Dispersive Fading-ITU-R, 606 -- 16.6.3 Cross-Polarization Discrimination Degradation Outages-ITU-R, 608 -- 16.6.4 Upfading-ITU-R, 609 -- 16.6.5 Shallow Flat Fading-ITU-R, 609 -- 16.6.6 Space Diversity Improvement-ITU-R, 610 -- 16.6.7 Dual-Frequency Diversity Improvement-ITU-R, 611 -- 16.6.8 Quad (Space and Frequency) Diversity-ITU-R, 611 -- 16.6.9 Angle Diversity Improvement-ITU-R, 613 -- 16.6.10 Other Diversity Improvements-ITU-R, 614 -- 16.7 Rain Fading and Obstruction Fading (NA and ITU-R), 614 -- 16.8 Comparing the North American and the ITU-R Flat-Fading Estimates, 614 -- 16.8.1 Vigants-Barnett Flat-Fading Estimation for Bell Labs Path, 614 -- 16.8.2 ITU-R Flat-Fading Estimation for Bell Labs Path, 615 -- 16.9 Diffraction and Vegetation Attenuation, 621 -- 16.10 Fog Attenuation, 622 -- 16.11 Air Attenuation, 624 -- 16.A Appendix, 631 -- References, 649 -- A Microwave Formulas and Tables 653 -- A.1 General, 653 -- Table A.1 General, 653 -- Table A.2 Scientific and Engineering Notation, 654 -- Table A.3 Emission Designator, 655 -- Table A.4 Typical Commercial Parabolic Antenna Gain (dBi), 656 -- Table A.5 Typical Rectangular Waveguide, 656."]
[{"$nulls":4},"Table A.6 Typical Rectangular Waveguide Data, 657 -- Table A.7 Typical Copper Corrugated Elliptical Waveguide Loss, 657 -- Table A.8 Typical Copper Circular Waveguide Loss, 658 -- Table A.9 Rectangular Waveguide Attenuation Factors, 659 -- Table A.10 CommScope Elliptical Waveguide Attenuation Factors, 659 -- Table A.11 RFS Elliptical Waveguide Attenuation Factors, 660 -- Table A.12 Elliptical Waveguide Cutoff Frequencies, 660 -- Table A.13 Circular Waveguide Cutoff Frequencies, 661 -- Table A.14 Typical Coaxial Microwave Connectors, 663 -- Table A.15 Coaxial Cable Velocity Factors, 664 -- Table A.16 50 Ohm Coaxial Cable Attenuation Factors, 664 -- Table A.17 Frequency Bands, General Users, 665 -- Table A.18 Frequency Bands, Fixed Point to Point Operators, 665 -- Table A.19 Frequency Bands, Radar, Space and Satellite Operators, 666 -- Table A.20 Frequency Bands, Electronic Warfare Operators, 666 -- Table A.21 Frequency Bands, Great Britain Operators, 666 -- Table A.22 Signal-to-Noise Ratio for Demodulator 10-6 BER, 667 -- A.2 Radio Transmission, 668 -- A.2.1 Unit Conversions, 668 -- A.2.2 Free Space Propagation Absolute Delay, 669 -- A.2.3 Waveguide Propagation Absolute Delay, 669 -- A.2.4 Coaxial Cable Propagation Absolute Delay, 669 -- A.2.5 Free Space Propagation Wavelength, 669 -- A.2.6 Dielectric Medium Propagation Wavelength, 669 -- A.2.7 Free Space Loss (dB), 670 -- A.2.8 Effective Radiated Power (ERP) and Effective Isotropic Radiated Power (EIRP), 670 -- A.2.9 Voltage Reflection Coefficient, 670 -- A.2.10 Voltage Standing Wave Ratio Maximum, 670 -- A.2.11 Voltage Standing Wave Ratio Minimum, 670 -- A.2.12 Voltage Standing Wave Ratio, 670 -- A.2.13 Power Reflection Coefficient, 671 -- A.2.14 Reflection Loss, 671 -- A.2.15 Return Loss, 671 -- A.2.16 Q (Quality) Factor (Figure of Merit for Resonant Circuits or Cavities), 671 -- A.2.17 Q (Quality) Factor (Figure of Merit for Optical Receivers), 672 -- A.2.18 Typical Long-Term Interference Objectives, 672 -- A.2.19 Frequency Planning Carrier-to-Interference Ratio (C/I), 672."]
[{"$nulls":4},"A.2.20 Noise Figure, Noise Factor, Noise Temperature, and Front End Noise, 672 -- A.2.21 Shannon's Formula for Theoretical Limit to Transmission Channel Capacity, 674 -- A.3 Antennas (Far Field), 675 -- A.3.1 General Microwave Aperture Antenna (Far Field) Gain (dBi), 675 -- A.3.2 General Microwave Antenna (Far Field) Relative Gain (dBi), 675 -- A.3.3 Parabolic (Circular) Microwave Antenna (Far Field) Gain (dBi), 675 -- A.3.4 Parabolic (Circular) Microwave Antenna Illumination Efficiency, 676 -- A.3.5 Panel (Square) Microwave Antenna (Far Field) "]
[{"$nulls":4},"Gain (dBi), 676 -- A.3.6 Panel (Square) Microwave Antenna Illumination Efficiency, 676 -- A.3.7 Angle Between Incoming and Outgoing Radio Signal Paths, C, for a Passive Reflector, 677 -- A.3.8 Signal Polarization Rotation Through a Passive Reflector, 678 -- A.3.9 Signal Effects of Polarization Rotation, 678 -- A.3.10 Passive Reflector (Far Field) Two-Way (Reception and Retransmission) Gain (dBi), 678 -- A.3.11 Rectangular Passive Reflector 3-dB Beamwidth (Degrees, in Horizontal Plane), 678 -- A.3.12 Elliptical Passive Reflector 3-dB Beamwidth (Degrees), 679 -- A.3.13 Circular Parabolic Antenna 3-dB Beamwidth (Degrees), 679 -- A.3.14 Passive Reflector Far Field Radiation Pattern Envelopes, 680 -- A.3.15 Inner Radius for the Antenna Far-Field Region, 681 -- A.4 Near-Field Power Density, 682 -- A.4.1 Circular Antennas, 682 -- A.4.2 Square Antennas, 682 -- A.5 Antennas (Close Coupled), 683 -- A.5.1 Coupling Loss LNF (dB) Between Two Antennas in the Near Field, 683 -- A.5.2 Coupling Loss LNF (dB) Between Identical Antennas, 683 -- A.5.3 Coupling Loss LNF (dB) Between Different-Sized Circular Antennas, 684 -- A.5.4 Coupling Loss LNF (dB) Between Different-Sized Square Antennas (Both Antennas Aligned), 684 -- A.5.5 Coupling Loss LNF (dB) for Antenna and Square Reflector in the Near Field, 685 -- A.5.6 Coupling Loss LNF (dB) for Circular Antenna and Square Reflector, 685 -- A.5.7 Coupling Loss LNF (dB) for Square Antenna and Square Reflector (Both Aligned), 686."]
[{"$nulls":4},"A.5.8 Two Back-to-Back Square Reflectors Combined Gain, 687 -- A.6 Path Geometry, 687 -- A.6.1 Horizons (Normal Refractivity over Spherical Earth), 687 -- A.6.2 Earth Curvature (Height Adjustment Used on Path Profiles), 688 -- A.6.3 Reflection Point, 688 -- A.6.4 Fresnel Zone Radius (Perpendicular to the Radio Path), 690 -- A.6.5 Fresnel Zone Projected onto the Earth's Surface, 690 -- A.6.6 Reflection Path Additional Distance, 691 -- A.6.7 Reflection Path Additional Delay, 691 -- A.6.8 Reflection Path Relative Amplitude, 691 -- A.6.9 Antenna Launch Angle, 691 -- A.6.10 Antenna Height Difference, 692 -- A.6.11 K Factor (From Launch Angles), 692 -- A.6.12 Refractive Index and K Factor (From Atmospheric Values), 693 -- A.7 Obstruction Loss, 693 -- A.7.1 Knife-Edge Obstruction Loss, 693 -- A.7.2 Rounded-Edge Obstruction Path Loss, 694 -- A.7.3 Smooth-Earth Obstruction Loss, 695 -- A.7.4 Infinite Flat Reflective Plane Obstruction Loss, 695 -- A.7.5 Reflection (Earth Roughness Scattering) Coefficient, 695 -- A.7.6 Divergence Coefficient from Earth, 696 -- A.7.7 Divergence Factor for a Cylinder, 697 -- A.7.8 Divergence Factor for a Sphere, 697 -- A.7.9 Signal Reflected from Flat Earth, 697 -- A.7.10 Ducting, 697 -- A.8 Mapping, 698 -- A.8.1 Path Length and Bearing, 698 -- A.9 Towers, 700 -- A.9.1 Three-Point Guyed Towers, 700 -- A.9.2 Three-Leg Self-Supporting Tower, 701 -- A.9.3 Four-Leg Self-Supporting Tower, 701 -- A.10 Interpolation, 702 -- A.10.1 Two-Dimensional Interpolation, 702 -- A.10.2 Three-Dimensional Interpolation, 705 -- B Personnel and Equipment Safety Considerations 709 -- B.1 General Safety Guidelines, 709 -- B.2 Equipment Protection, 711 -- B.3 Equipment Considerations, 712 -- B.4 Personnel Protective Equipment, 713 -- B.5 Accident Prevention Signs, 713 -- B.6 Tower Climbing, 713 -- B.7 Hand Tools, 715 -- B.8 Electrical Powered Tools, 715 -- B.9 Soldering Irons, 715 -- B.10 Ladders, 716 -- B.11 Hoisting or Moving Equipment, 716 -- B.12 Batteries, 717 -- B.13 Laser Safety Guidelines, 717."]
[{"$nulls":4},"B.14 Safe Use of Lasers and LED in Optical Fiber Communication Systems, 718 -- B.15 Optical Fiber Communication System (OFCS) Service Groups (SGs), 718 -- B.16 Electrostatic Discharge (ESD), 719 -- B.17 Maximum Permissible Microwave Radio RF Exposure, 720 -- B.18 Protect Other Radio Users [FCC], 720 -- B.19 PAUSE (Prevent all Unplanned Service Events) and Ask Yourself (Verizon and AT&T "]
[{"$nulls":4},"Operations), 721 -- B.20 Protect Yourself (Bell System Operations), 721 -- B.21 Parting Comment, 721 -- Index 723."]
[null,null,null,"Sommario/riassunto","\"Until now, no book has adequately treated all engineering aspects of microwave communications in the digital age. This important new work provides readers with the depth of knowledge necessary for all the practical engineering details associated with fixed point-to-point microwave radio path design: the why, what, and how of microwave transmission; design objectives; engineering methodologies; and design philosophy (in the bid, design, and acceptance phase of the project). Written in an easily accessible format, the book is complete with an appendix of specialized engineering details and formulas.?\"--"]
[{"$nulls":4},"\"Integrated use of industry leading microwave path engineering software to solve problems introduced in the book\"--"]