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81Publicado 2017Tabla de Contenidos: “…Front Cover -- Radio-Frequency Digital-to-Analog Converters: Implementation in Nanoscale CMOS -- Copyright -- Contents -- Preface -- Acknowledgment -- Acronyms -- Chapter 1: Introduction -- 1.1 The Conventional RF Radio -- 1.2 Motivation -- 1.3 The Book Objectives -- 1.3.1 System Simulation of WCDMA Baseband Data -- 1.3.2 Some Important Figures-of-Merit in RF Transmitters -- 1.4 Analog Versus Digital RF Transmitters -- 1.5 Analog-Intensive RF Transmitters -- 1.6 Digitally Intensive RF Transmitters -- 1.7 New Paradigm of RF Design in Nanometer-Scale CMOS -- 1.8 All-Digital Polar Transmitter -- 1.9 All-Digital I/Q Transmitter -- 1.10 Conclusion -- 1.11 Book Outline -- Chapter 2: Digital polar transmitter architecture -- 2.1 Introduction to Narrowband Polar Transmitters -- 2.1.1 Motivation -- 2.1.1.1 Small-signal polar transmitter -- 2.1.1.2 Motivation for the digitally intensive amplitude path -- 2.1.2 Contrast With Conventional Analog Approaches -- 2.2 Overview of the RFDAC-Based Polar Transmitter Architecture -- 2.2.1 Overview of the DPA -- 2.2.2 DCO Operating Frequency and CKV Clock -- 2.3 Details of Phase Modulation -- 2.4 Design Challenges for the Small-Signal Polar Transmitter -- 2.4.1 DCO Phase Noise -- 2.4.2 DCO Pulling and Pushing -- 2.4.3 VGA/DPA Nonlinearity -- 2.4.4 Amplitude-Phase Path Delay Mismatch -- 2.4.5 Amplitude-Phase Path Transfer Function Mismatch -- 2.4.6 Amplitude Path DC Offset -- 2.4.7 Amplitude Path Dynamic Range Limitations -- 2.4.8 Amplitude Path DAC Mismatches -- 2.4.9 Additional Distortions in the DPA (DAC/Mixer) -- Chapter 3: Digital baseband of the polar transmitter -- 3.1 Overview of the TX Digital Baseband -- 3.1.1 Pulse Shaping Filter -- 3.1.2 Resampler -- 3.1.2.1 Need for a resampler -- 3.1.2.2 Implementation -- 3.1.3 CORDIC -- 3.2 Predistortion Module -- 3.2.1 Overview -- 3.2.2 Principle of Operation…”
Libro electrónico -
82por Egan, William F.Tabla de Contenidos: “…Architectures -- Simulation -- Diophantine Synthesizer -- Operation at Extreme Bandwidths -- All-Digital Frequency Synthesizers -- Appendix A: All Digital -- Appendix C: Fractional Cancellation -- Appendix E: Excess PPSD -- Appendix F: References to -- Appendix G: Using Gsmpl -- Appendix H: Sample-and-Hold Circuit -- Appendix L: Loop Response -- Appendix M: Mash PPSD -- Appendix N: Sampled Noise -- Appendix O: Oscillator Spectrums -- Appendix P: Phase Detectors -- Appendix Q: Quantization PPSD -- Appendix R: Reference Frequency Spurs -- Appendix S: Spectrum Analysis -- Appendix T: Toolboxes -- Appendix U: Noise Produced by Charge Pump Current Unbalance (Mismatch) -- Appendix W: Getting Files from the Wiley Internet Site -- Appendix X: Some Tables -- End Notes -- References -- Index…”
Publicado 2011
Libro electrónico -
83Publicado 1994Tabla de Contenidos: “…Low-Frequency Sound and Marine Mammals -- Copyright -- Preface -- Acknowledgments -- Contents -- Executive Summary -- LIMITATIONS OF CURRENT KNOWLEDGE -- CHANGES PROPOSED IN REGULATORY STRUCTURE -- RECOMMENDED RESEARCH -- 1 A Review of Current Knowledge -- CHANGES IN OCEAN SOUNDS AND POTENTIAL EFFECTS ON MARINE MAMMALS -- EVALUATING NOISE INTERFERENCE -- Transmission Loss of Sound in the Ocean -- Ambient Noise Level of the Sea -- Acoustic Characteristics of Marine Mammal Hearing Organs -- THE NEED FOR ADDITIONAL RESEARCH -- ORIGINS AND DRAWBACKS OF THE "120-DB CRITERION -- REFERENCES -- 2 Regulatory Barriers and Possible Alternatives -- THE MARINE MAMMAL PROTECTION ACT AND ITS INTERPRETATION -- HARASSMENT OF MARINE MAMMALS -- PERMITTING IMPLICATIONS FOR RESEARCH ACTIVITY -- Scientific Research Permits -- Small Incidental Take (SIT) Authorizations -- MAGNITUDE OF POTENTIAL NOISE POLLUTION FROM OCEANIC ACOUSTIC STUDIES -- PROPOSED CHANGES IN THE REGULATORY STRUCTURE -- Using a New Mechanism to Regulate Scientific "Takes -- Utilization of the IACUC System -- Streamlining Existing Regulations -- SUMMARY OF RECOMMENDED CHANGES -- REFERENCES -- 3 Topics for Future Research -- BEHAVIOR OF MARINE MAMMALS IN THE WILD -- Natural, Ecologically Important Signals -- Habituation to Repeated Human-made Sounds -- Differential Responses of Migrating Whales to Various Human-made Sounds -- Responses of Deep-diving Marine Mammals to Low-frequency Sounds -- STRUCTURE AND FUNCTION OF THE AUDITORY SYSTEM -- Basic Studies of Audiometry -- Measurements on Ensnared or Beached Marine Mammals -- Replication of Data -- Temporary Threshold Shift -- Basic Studies of the Anatomy and Physiology of the Auditory System -- EFFECTS OF LOW-FREQUENCY SOUNDS ON THE FOOD CHAIN -- DEVELOPMENT AND APPLICATION OF MEASUREMENT TECHNIQUES -- Tag Development…”
Libro electrónico -
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85Publicado 2004Materias:Libro electrónico
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86Publicado 2022“…Vacuum electron devices at frequencies of millimeter waves and terahertz play highly important roles in the modern high-data rate and broadband communication systems, high-resolution detection and imaging, medical diagnostics, magnetically confined nuclear fusion, etc. …”
Libro electrónico -
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