A Strategy For Active Remote Sensing Amid Increased Demand For Radio Spectrum

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A Strategy for Active Remote Sensing Amid Increased Demand for Radio Spectrum

National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on a Survey of the Active Sensing Uses of the Radio Spectrum
A Strategy for Active Remote Sensing Amid Increased Demand for Radio Spectrum Book PDF

Author : National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on a Survey of the Active Sensing Uses of the Radio Spectrum
Publisher : National Academies Press
Page : 247 pages
File Size : 52,8 Mb
Release : 2015-09-21
Category : Science
ISBN : 9780309373081

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A Strategy for Active Remote Sensing Amid Increased Demand for Radio Spectrum by National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on a Survey of the Active Sensing Uses of the Radio Spectrum Pdf

Active remote sensing is the principal tool used to study and to predict short- and long-term changes in the environment of Earth - the atmosphere, the oceans and the land surfaces - as well as the near space environment of Earth. All of these measurements are essential to understanding terrestrial weather, climate change, space weather hazards, and threats from asteroids. Active remote sensing measurements are of inestimable benefit to society, as we pursue the development of a technological civilization that is economically viable, and seek to maintain the quality of our life. A Strategy for Active Remote Sensing Amid Increased Demand for Spectrum describes the threats, both current and future, to the effective use of the electromagnetic spectrum required for active remote sensing. This report offers specific recommendations for protecting and making effective use of the spectrum required for active remote sensing.

Spectrum Management for Science in the 21st Century

National Research Council,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on Radio Frequencies,Committee on Scientific Use of the Radio Spectrum
Spectrum Management for Science in the 21st Century Book PDF

Author : National Research Council,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on Radio Frequencies,Committee on Scientific Use of the Radio Spectrum
Publisher : National Academies Press
Page : 249 pages
File Size : 43,9 Mb
Release : 2010-02-25
Category : Computers
ISBN : 9780309151542

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Spectrum Management for Science in the 21st Century by National Research Council,Division on Engineering and Physical Sciences,Board on Physics and Astronomy,Committee on Radio Frequencies,Committee on Scientific Use of the Radio Spectrum Pdf

Radio observations of the cosmos are gathered by geoscientists using complex earth-orbiting satellites and ground-based equipment, and by radio astronomers using large ground-based radio telescopes. Signals from natural radio emissions are extremely weak, and the equipment used to measure them is becoming ever-more sophisticated and sensitive. The radio spectrum is also being used by radiating, or "active," services, ranging from aircraft radars to rapidly expanding consumer services such as cellular telephones and wireless internet. These valuable active services transmit radio waves and thereby potentially interfere with the receive-only, or "passive," scientific services. Transmitters for the active services create an artificial "electronic fog" which can cause confusion, and, in severe cases, totally blinds the passive receivers. Both the active and the passive services are increasing their use of the spectrum, and so the potential for interference, already strong, is also increasing. This book addresses the tension between the active services' demand for greater spectrum use and the passive users' need for quiet spectrum. The included recommendations provide a pathway for putting in place the regulatory mechanisms and associated supporting research activities necessary to meet the demands of both users.

Advances in SAR: Sensors, Methodologies, and Applications

Timo Balz,Uwe Soergel,Mattia Crespi,Batuhan Osmanoglu
Advances in SAR Sensors Methodologies and Applications Book PDF

Author : Timo Balz,Uwe Soergel,Mattia Crespi,Batuhan Osmanoglu
Publisher : MDPI
Page : 531 pages
File Size : 55,8 Mb
Release : 2018-10-22
Category : Electronic books
ISBN : 9783038971825

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Advances in SAR: Sensors, Methodologies, and Applications by Timo Balz,Uwe Soergel,Mattia Crespi,Batuhan Osmanoglu Pdf

This book is a printed edition of the Special Issue "Advances in SAR: Sensors, Methodologies, and Applications" that was published in Remote Sensing

Sea Surface Roughness Observed by High Resolution Radar

Atsushi Fujimura,Susanne Lehner,Alex Soloviev,Xiaofeng Li
Sea Surface Roughness Observed by High Resolution Radar Book PDF

Author : Atsushi Fujimura,Susanne Lehner,Alex Soloviev,Xiaofeng Li
Publisher : MDPI
Page : 202 pages
File Size : 43,8 Mb
Release : 2019-10-25
Category : Science
ISBN : 9783039217465

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Sea Surface Roughness Observed by High Resolution Radar by Atsushi Fujimura,Susanne Lehner,Alex Soloviev,Xiaofeng Li Pdf

Changes in sea surface roughness are usually associated with a change in the sea surface wind field. This interaction has been exploited to measure sea surface wind speed by scatterometry. A number of features on the sea surface associated with changes in roughness can be observed by synthetic aperture radar (SAR) because of the change in Bragg backscatter of the radar signal by damping of the resonant ocean capillary waves. With various radar frequencies, resolutions, and modes of polarization, sea surface features have been analyzed in numerous campaigns, bringing various datasets together, thus allowing for new insights into small-scale processes at a larger areal coverage. This Special Issue aims at investigating sea surface features detected by high spatial resolution radar systems, such as SAR.

Synthetic Aperture Radar (SAR) Data Applications

Maciej Rysz,Arsenios Tsokas,Kathleen M. Dipple,Kaitlin L. Fair,Panos M. Pardalos
Synthetic Aperture Radar SAR Data Applications Book PDF

Author : Maciej Rysz,Arsenios Tsokas,Kathleen M. Dipple,Kaitlin L. Fair,Panos M. Pardalos
Publisher : Springer Nature
Page : 282 pages
File Size : 47,7 Mb
Release : 2023-01-18
Category : Mathematics
ISBN : 9783031212253

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Synthetic Aperture Radar (SAR) Data Applications by Maciej Rysz,Arsenios Tsokas,Kathleen M. Dipple,Kaitlin L. Fair,Panos M. Pardalos Pdf

This carefully curated volume presents an in-depth, state-of-the-art discussion on many applications of Synthetic Aperture Radar (SAR). Integrating interdisciplinary sciences, the book features novel ideas, quantitative methods, and research results, promising to advance computational practices and technologies within the academic and industrial communities. SAR applications employ diverse and often complex computational methods rooted in machine learning, estimation, statistical learning, inversion models, and empirical models. Current and emerging applications of SAR data for earth observation, object detection and recognition, change detection, navigation, and interference mitigation are highlighted. Cutting edge methods, with particular emphasis on machine learning, are included. Contemporary deep learning models in object detection and recognition in SAR imagery with corresponding feature extraction and training schemes are considered. State-of-the-art neural network architectures in SAR-aided navigation are compared and discussed further. Advanced empirical and machine learning models in retrieving land and ocean information — wind, wave, soil conditions, among others, are also included.

Remote Sensing of Ocean and Coastal Environments

Meenu Rani,Kaliraj Seenipandi,Sufia Rehman,Pavan Kumar,Haroon Sajjad
Remote Sensing of Ocean and Coastal Environments Book PDF

Author : Meenu Rani,Kaliraj Seenipandi,Sufia Rehman,Pavan Kumar,Haroon Sajjad
Publisher : Elsevier
Page : 428 pages
File Size : 50,9 Mb
Release : 2020-09-27
Category : Science
ISBN : 9780128231609

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Remote Sensing of Ocean and Coastal Environments by Meenu Rani,Kaliraj Seenipandi,Sufia Rehman,Pavan Kumar,Haroon Sajjad Pdf

Remote Sensing of Ocean and Coastal Environments advances the scientific understanding and application of technologies to address a variety of areas relating to sustainable development, including environmental systems analysis, environmental management, clean processes, green chemistry and green engineering. Through each contributed chapter, the book covers ocean remote sensing, ocean color monitoring, modeling biomass and the carbon of oceanic ecosystems, sea surface temperature (SST) and sea surface salinity, ocean monitoring for oil spills and pollutions, coastal erosion and accretion measurement. This book is aimed at those with a common interest in oceanography techniques, sustainable development and other diverse backgrounds within earth and ocean science fields. This book is ideal for academicians, scientists, environmentalists, meteorologists, environmental consultants and computing experts working in the areas of earth and ocean sciences. Provides a comprehensive assessment of various ocean processes and their relative phenomena Includes graphical abstract and photosets in each chapter Presents literature reviews, case studies and applications

LiDAR Remote Sensing and Applications

Pinliang Dong,Qi Chen
LiDAR Remote Sensing and Applications Book PDF

Author : Pinliang Dong,Qi Chen
Publisher : CRC Press
Page : 200 pages
File Size : 42,6 Mb
Release : 2017-12-12
Category : Technology & Engineering
ISBN : 9781351233347

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LiDAR Remote Sensing and Applications by Pinliang Dong,Qi Chen Pdf

Ideal for both undergraduate and graduate students in the fields of geography, forestry, ecology, geographic information science, remote sensing, and photogrammetric engineering, LiDAR Remote Sensing and Applications expertly joins LiDAR principles, data processing basics, applications, and hands-on practices in one comprehensive source. The LiDAR data within this book is collected from 27 areas in the United States, Brazil, Canada, Ghana, and Haiti and includes 183 figures created to introduce the concepts, methods, and applications in a clear context. It provides 11 step-by-step projects predominately based on Esri’s ArcGIS software to support seamless integration of LiDAR products and other GIS data. The first six projects are for basic LiDAR data visualization and processing and the other five cover more advanced topics: from mapping gaps in mangrove forests in Everglades National Park, Florida to generating trend surfaces for rock layers in Raplee Ridge, Utah. Features Offers a comprehensive overview of LiDAR technology with numerous applications in geography, forestry and earth science Gives necessary theoretical foundations from all pertinent subject matter areas Uses case studies and best practices to point readers to tools and resources Provides a synthesis of ongoing research in the area of LiDAR remote sensing technology Includes carefully selected illustrations and data from the authors' research projects Before every project in the book, a link is provided for users to download data

Telecommunications Research and Engineering at the Institute for Telecommunication Sciences of the Department of Commerce

National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Computer Science and Telecommunications Board,Committee on Telecommunications Research and Engineering at the Department of Commerce's Boulder Laboratories
Telecommunications Research and Engineering at the Institute for Telecommunication Sciences of the Department of Commerce Book PDF

Author : National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Computer Science and Telecommunications Board,Committee on Telecommunications Research and Engineering at the Department of Commerce's Boulder Laboratories
Publisher : National Academies Press
Page : 74 pages
File Size : 50,5 Mb
Release : 2015-11-30
Category : Technology & Engineering
ISBN : 9780309388467

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Telecommunications Research and Engineering at the Institute for Telecommunication Sciences of the Department of Commerce by National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Computer Science and Telecommunications Board,Committee on Telecommunications Research and Engineering at the Department of Commerce's Boulder Laboratories Pdf

The Department of Commerce operates two telecommunications research laboratories located at the Department of Commerce's Boulder, Colorado, campus: the National Telecommunications and Information Administration's (NTIA's) Institute for Telecommunications Sciences (ITS) and the National Institute of Standards and Technology's (NIST's) Communications Technology Laboratory (CTL). ITS serves as a principal federal resource for solving the telecommunications concerns of federal agencies, state and local governments, private corporations and associations, standards bodies, and international organizations. ITS could provide an essential service to the nation by being a principal provider of instrumentation and spectrum measurement services; however, the inter-related shortages of funding, staff, and a coherent strategy limits its ability to fully function as a research laboratory. This report examines the institute's performance, resources, and capabilities and the extent to which these meet customer needs. The Boulder telecommunications laboratories currently play an important role in the economic vitality of the country and can play an even greater role given the importance of access to spectrum and spectrum sharing to the wireless networking and mobile cellular industries. Research advances are needed to ensure the continued evolution and enhancement of the connected world the public has come to expect.

Telecommunications Research and Engineering at the Communications Technology Laboratory of the Department of Commerce

National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Computer Science and Telecommunications Board,Committee on Telecommunications Research and Engineering at the Department of Commerce's Boulder Laboratories
Telecommunications Research and Engineering at the Communications Technology Laboratory of the Department of Commerce Book PDF

Author : National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Computer Science and Telecommunications Board,Committee on Telecommunications Research and Engineering at the Department of Commerce's Boulder Laboratories
Publisher : National Academies Press
Page : 64 pages
File Size : 53,5 Mb
Release : 2015-11-30
Category : Technology & Engineering
ISBN : 9780309379830

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Telecommunications Research and Engineering at the Communications Technology Laboratory of the Department of Commerce by National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Computer Science and Telecommunications Board,Committee on Telecommunications Research and Engineering at the Department of Commerce's Boulder Laboratories Pdf

The Department of Commerce operates two telecommunications research laboratories located at the Department of Commerce's Boulder, Colorado, campus: the National Telecommunications and Information Administration's (NTIA's) Institute for Telecommunications Sciences (ITS) and the National Institute of Standards and Technology's (NIST's) Communications Technology Laboratory (CTL). CTL develops appropriate measurements and standards to enable interoperable public safety communications, effective and efficient spectrum use and sharing, and advanced communication technologies. CTL is a newly organized laboratory within NIST, formed mid-2014. As it is new and its planned work represents a departure from that carried out by the elements of which it was composed, this study focuses on its available resources and future plans rather than past work. The Boulder telecommunications laboratories currently play an important role in the economic vitality of the country and can play an even greater role given the importance of access to spectrum and spectrum sharing to the wireless networking and mobile cellular industries. Research advances are needed to ensure the continued evolution and enhancement of the connected world the public has come to expect.

Airless Bodies of the Inner Solar System

Jennifer Grier,Andrew S. Rivkin
Airless Bodies of the Inner Solar System Book PDF

Author : Jennifer Grier,Andrew S. Rivkin
Publisher : Elsevier
Page : 293 pages
File Size : 45,9 Mb
Release : 2018-10-15
Category : Science
ISBN : 9780128092828

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Airless Bodies of the Inner Solar System by Jennifer Grier,Andrew S. Rivkin Pdf

Airless Bodies of the Inner Solar System: Understanding the Process Affecting Rocky, Airless Surfaces focuses on the airless, rocky bodies in the inner solar system as a host unto themselves, with a unique set of processes that require a specific set of investigative techniques. The book allows readers to understand both the basic and advanced concepts necessary to understand and employ that information. Topics covered past exploration of these surfaces, changes with time, space weathering, impact cratering, creation and evolution of regolith and soils, comparison of sample and remote sensing data, dust characterization, surface composition and thoughts for future exploration. Together these authors represent the unique combination of skills and experience required to produce an excellent book on the subject of the surfaces of airless, rocky bodies in the solar system, which will be useful both for graduate students and for working scientists. Written by experts with a unique combination of skills and experience on the subject of the surfaces of airless, rocky bodies in the solar system Addresses the unique nature of airless bodies not done in any other reference Organized into subjects that can be easily translated into classroom lecture points Represents topics that scientists will want to pinpoint and browse

Radar for Fully Autonomous Driving

Matt Markel
Radar for Fully Autonomous Driving Book PDF

Author : Matt Markel
Publisher : Artech House
Page : 360 pages
File Size : 48,7 Mb
Release : 2022-04-30
Category : Technology & Engineering
ISBN : 9781630818975

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Radar for Fully Autonomous Driving by Matt Markel Pdf

This is the first book to bring together the increasingly complex radar automotive technologies and tools being explored and utilized in the development of fully autonomous vehicles – technologies and tools now understood to be an essential need for the field to fully mature. The book presents state-of-the-art knowledge as shared by the best and brightest experts working in the automotive radar industry today -- leaders who have “been there and done that.” Each chapter is written as a standalone "master class" with the authors, seeing the topic through their eyes and experiences. Where beneficial, the chapters reference one another but can otherwise be read in any order desired, making the book an excellent go-to reference for a particular topic or review you need to understand. You’ll get a big-picture tour of the key radar needs for fully autonomous vehicles, and how achieving these needs is complicated by the automotive environment’s dense scenes, number of possible targets of interest, and mix of very large and very small returns. You’ll then be shown the challenges from – and mitigations to – radio frequency interference (RFI), an ever-increasing challenge as the number of vehicles with radars – and radars per vehicle grow. The book also dives into the impacts of weather on radar performance, providing you with insights gained from extensive real-world testing. You are then taken through the integration and systems considerations, especially regarding safety, computing needs, and testing. Each of these areas is influenced heavily by the needs of fully autonomous vehicles and are open areas of research and development. With this authoritative volume you will understand: * How to engage with radar designers (from a system integrator / OEM standpoint); * How to structure and set requirements for automotive radars; * How to address system safety needs for radars in fully autonomous vehicles; * How to assess weather impact on the radar and its ability to support autonomy; * How to include weather effects into specifications for radars. This is an essential reference for engineers currently in the autonomous vehicle arena and/or working in automotive radar development, as well as engineers and leaders in adjacent radar fields needing to stay abreast of the rapid developments in this exciting and dynamic field of research and development.

Thriving on Our Changing Planet: A Decadal Strategy for Earth Observation from Space

National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Space Studies Board
Thriving on Our Changing Planet A Decadal Strategy for Earth Observation from Space Book PDF

Author : National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Space Studies Board
Publisher : National Academies Press
Page : 29 pages
File Size : 54,6 Mb
Release : 2019-06-18
Category : Science
ISBN : 9780309492430

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Thriving on Our Changing Planet: A Decadal Strategy for Earth Observation from Space by National Academies of Sciences, Engineering, and Medicine,Division on Engineering and Physical Sciences,Space Studies Board Pdf

We live on a dynamic Earth shaped by both natural processes and the impacts of humans on their environment. It is in our collective interest to observe and understand our planet, and to predict future behavior to the extent possible, in order to effectively manage resources, successfully respond to threats from natural and human-induced environmental change, and capitalize on the opportunities â€" social, economic, security, and more â€" that such knowledge can bring. By continuously monitoring and exploring Earth, developing a deep understanding of its evolving behavior, and characterizing the processes that shape and reshape the environment in which we live, we not only advance knowledge and basic discovery about our planet, but we further develop the foundation upon which benefits to society are built. Thriving on Our Changing Planet: A Decadal Strategy for Earth Observation from Space (National Academies Press, 2018) provides detailed guidance on how relevant federal agencies can ensure that the United States receives the maximum benefit from its investments in Earth observations from space, while operating within realistic cost constraints. This short booklet, designed to be accessible to the general public, provides a summary of the key ideas and recommendations from the full decadal survey report.

Energy Detection for Spectrum Sensing in Cognitive Radio

Saman Atapattu,Chintha Tellambura,Hai Jiang
Energy Detection for Spectrum Sensing in Cognitive Radio Book PDF

Author : Saman Atapattu,Chintha Tellambura,Hai Jiang
Publisher : Springer Science & Business Media
Page : 94 pages
File Size : 41,8 Mb
Release : 2014-02-15
Category : Computers
ISBN : 9781493904945

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Energy Detection for Spectrum Sensing in Cognitive Radio by Saman Atapattu,Chintha Tellambura,Hai Jiang Pdf

This Springer Brief focuses on the current state-of-the-art research on spectrum sensing by using energy detection, a low-complexity and low-cost technique. It includes a comprehensive summary of recent research, fundamental theories, possible architectures, useful performance measurements of energy detection and applications of energy detection. Concise, practical chapters explore conventional energy detectors, alternative forms of energy detectors, performance measurements, diversity techniques and cooperative networks. The careful analysis enables reader to identify the most efficient techniques for improving energy detection performance. Energy Detection for Spectrum Sensing in Cognitive Radio is a valuable tool for researchers and practitioners interested in spectrum sensing and cognitive radio networks. Advanced-level students studying wireless communication will also benefit from this brief.

The impact of disasters and crises on agriculture and food security: 2021

Food and Agriculture Organization of the United Nations
The impact of disasters and crises on agriculture and food security 2021 Book PDF

Author : Food and Agriculture Organization of the United Nations
Publisher : Food & Agriculture Org.
Page : 245 pages
File Size : 41,7 Mb
Release : 2021-03-17
Category : Nature
ISBN : 9789251340714

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The impact of disasters and crises on agriculture and food security: 2021 by Food and Agriculture Organization of the United Nations Pdf

On top of a decade of exacerbated disaster loss, exceptional global heat, retreating ice and rising sea levels, humanity and our food security face a range of new and unprecedented hazards, such as megafires, extreme weather events, desert locust swarms of magnitudes previously unseen, and the COVID-19 pandemic. Agriculture underpins the livelihoods of over 2.5 billion people – most of them in low-income developing countries – and remains a key driver of development. At no other point in history has agriculture been faced with such an array of familiar and unfamiliar risks, interacting in a hyperconnected world and a precipitously changing landscape. And agriculture continues to absorb a disproportionate share of the damage and loss wrought by disasters. Their growing frequency and intensity, along with the systemic nature of risk, are upending people’s lives, devastating livelihoods, and jeopardizing our entire food system. This report makes a powerful case for investing in resilience and disaster risk reduction – especially data gathering and analysis for evidence informed action – to ensure agriculture’s crucial role in achieving the future we want.

The Future of Remote Sensing from Space

DIANE Publishing Company
The Future of Remote Sensing from Space Book PDF

Author : DIANE Publishing Company
Publisher : DIANE Publishing
Page : 228 pages
File Size : 49,9 Mb
Release : 1995-06
Category : Electronic
ISBN : 0788113518

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The Future of Remote Sensing from Space by DIANE Publishing Company Pdf

Examines issues related to the development and operation of publicly funded U.S. and foreign civilian remote sensing systems. Explores the military and intelligence use of data gathered by civilian satellites. Examines the outlook for privately funded and operated remote sensing systems. Numerous charts, graphs, tables and photos.