Download or read book Rain Attenuation Prediction for Terrestrial Microwave Links Based on Rain Rate and Rain Attenuation Measurements in a Tropical Region written by Md. Rafiqul Islam and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rain Attenuation Statistics for Terrestrial Microwave Links in Canada written by B. Segal and published by Communications Research Centre. This book was released on 1982 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: EMS copy lacks errata.
Download or read book Rainfall Observations and Modelling written by Lakshmi Kumar TV and published by BoD – Books on Demand. This book was released on 2024-06-12 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides chapters with subjects ranging from the basic understanding of rainfall variability to the impact of climate change with novel methodologies and concepts. This book is mainly intended for post-graduate doctoral students and early career researchers for their use in academic and research programs. This book compiles the chapters with different data sets that are publicly available and from site-based measurements along with the data generation methods and modeling aspects. Rainfall plays an important role; its deficiency leads to meteorological droughts and further impacts hydrological, agricultural, and socioeconomic droughts, and its surplus causes floods over urban areas. With the advancement of technology, it is possible to determine future rainfall accurately by collating the data from observations, radar, and satellite and model simulations. The current book is of immense help in evaluating and understanding the atmospheric processes governed by the various physical laws, and the results of the chapters provide deep insight for a better understanding of rainfall phenomena across the different regions of the world.
Download or read book Proceedings of the 11th International Conference on Robotics Vision Signal Processing and Power Applications written by Nor Muzlifah Mahyuddin and published by Springer Nature. This book was released on 2022-02-11 with total page 1124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceeding is a collection of research papers presented at the 11th International Conference on Robotics, Vision, Signal Processing & Power Applications (RoViSP 2021). The theme of RoViSP 2021 “Enhancing Research and Innovation through the Fourth Industrial Revolution (IR 4.0)” served as a platform for researchers, scientists, engineers, academicians as well as industrial professionals from all around the globe to present and exchange their research findings and development activities through oral presentations. The book covers various topics of interest, including: Robotics, Control, Mechatronics and Automation Telecommunication Systems and Applications Electronic Design and Applications Vision, Image and Signal Processing Electrical Power, Energy and Industrial Applications Computer and Information Technology Biomedical Engineering and Applications Intelligent Systems Internet-of-things Mechatronics Mobile Technology
Download or read book Ground Based Microwave Radiometry and Remote Sensing written by Pranab Kumar Karmakar and published by CRC Press. This book was released on 2013-11-04 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to effectively monitor the atmosphere on a continuous basis requires remote sensing in microwave. Written for physicists and engineers working in the area of microwave sensing of the atmosphere, Ground-Based Microwave Radiometry and Remote Sensing: Methods and Applications is completely devoted to ground-based remote sensing. This text covers the fundamentals of microwave remote sensing, and examines microwave radiometric measurements and their applications. The book discusses the atmospheric influences on the electromagnetic spectrum, addresses the measurement of incoherent electromagnetic radiation from an object obeying the laws of radiation fundamentals, and explores the height limits in both the water vapor band and the oxygen band. The author describes the measurement technique of water vapor in the polar region, details studies of the measurement of integrated water vapor content by deploying a microwave radiometer, and presents several real-time pictures of radiometric and disdrometer measurements. Includes integrated water vapor and cloud liquid water models Contains measurements in adverse weather conditions Illustrates measurement technique in the Antarctic and Arctic regions Describes rain models in different locations including tropical, temperate regions along with radiometric measurement techniques Presents a definite model for measurement of propagation path delay The book summarizes the latest research results obtained in the area of measurements and modeling, describes the atmospheric influences on electromagnetic spectrum along with different gaseous and cloud models, and provides examples of radiometric retrievals from a variety of dynamic weather phenomena.
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Woiewodztwa Plockie Brzeskie Kujawskie Inowroclawskie Chelminskie Poznanskie y nowe woiewodztwo Gnieznienskie zlozone z czesci polnocney woiewodztwa Kaliskiego written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Microwave Propagation and Remote Sensing written by Pranab Kumar Karmakar and published by CRC Press. This book was released on 2017-12-19 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Because prevailing atmospheric/troposcopic conditions greatly influence radio wave propagation above 10 GHz, the unguided propagation of microwaves in the neutral atmosphere can directly impact many vital applications in science and engineering. These include transmission of intelligence, and radar and radiometric applications used to probe the atmosphere, among others. Where most books address either one or the other, Microwave Propagation and Remote Sensing: Atmospheric Influences with Models and Applications melds coverage of these two subjects to help readers develop solutions to the problems they present. This reference offers a brief, elementary account of microwave propagation through the atmosphere and discusses radiometric applications in the microwave band used to characterize and model atmospheric constituents, which is also known as remote sensing. Summarizing the latest research results in the field, as well as radiometric models and measurement methods, this book covers topics including: Free space propagation Reflection, interference, polarization, and other key aspects of electromagnetic wave propagation Radio refraction and its effects on propagation delay Methodology of estimating water vapor attenuation using radiosonde data Knowledge of rain structures and use of climatological patterns to estimate/measure attenuation of rain, snow, fog, and other prevalent atmospheric particles and human-made substances Dual/multifrequency methodology to deal with the influence of clouds on radiometric attenuation Deployment of microwaves to ascertain various tropospheric conditions Composition and characteristics of the troposphere, to help readers fully understand microwave propagation Derived parameters of water, free space propagation, and conditions and variable constituents such as water vapor and vapor pressure, density, and ray bending
Download or read book Proceedings written by and published by . This book was released on 2005 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Microwave Radiometry and Remote Sensing of the Earth s Surface and Atmosphere written by 0 Pampaloni and published by CRC Press. This book was released on 2023-06-14 with total page 567 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a selection of refereed papers presented at the 6 Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment held in Florence, Italy on March 15-18, 1999. Over the last two decades, passive microwave remote sensing has made considerable progress, and has achieved significant results in the study of the Earth's surface and atmosphere. Many years of observations with ground-based and satellite-borne sensors have made an important contribution to improving our knowledge of many geophysical processes of the Earth's environment and of global changes. The evolution in microwave radiometers aboard satellites has increased steadily over recent years. At the same time, many investigations have been carried out both to improve the algorithms for the retrieval of geophysical parameters and to develop new technologies. The book is divided into four main sections: three of these are devoted to the observation of the Earth's surface and atmosphere, and the fourth, to future missions and new technologies. The first section deals with the study of sea and land surfaces, and reports recent advances in remote sensing of ocean wind, sea ice, soil moisture and vegetation biomass, including electromagnetic modelling and the assimilation of radiometric data in models of land surface processes. The following two sections are devoted to the measurement of atmospheric quantities which are of fundamental importance in climatology and meteorology, and, since they influence radio-wave propagation, they also impact on several other fields, including geodesy, navigational satellite and radioastronomy. The last section presents an overview of new technologies and plans for future missions.
Download or read book Ninth International Conference on Antennas and Propagation Propagation written by and published by . This book was released on 1995 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Earth Resources written by and published by . This book was released on 1987 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Ninth International Conference on Antennas and Propagation written by and published by . This book was released on 1995 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Rain Induced Attenuation Studies for 38 GHZ Satellite Link in Tropical Region written by Khairayu Badron and published by . This book was released on 2011 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Satellite operations at 38 GHz in tropical and equatorial regions are constrained as a result of attenuation from rain. Measured statistics for 20 consecutive months of 38GHz terrestrial link signal attenuation measurements in Malaysia are presented in this thesis. In the absence of an actual satellite-Earth link, measured data acquired from a microwave link establishment should be able to provide some preliminary critical thoughts of the V-band link"s characteristics. Such information is considered very pertinent for earth space communication link design and can be used for initial groundwork plan for the engineers as well as researchers. The measured attenuation statistics are then fittingly scaled up and compared with The ITU-R prediction models. Significant differences are evident between calculated attenuation with predicted values using the latest ITU-R models; which appear to underestimate the annual statistics. The statistics are then further explored to examine seasonal and diurnal variations. Characteristics of rain events such as fade duration, inter-fade interval and average duration are presented. It is essential to identify such characteristics for the design and implementation of future fade countermeasure techniques on satellite links. This thesis also reviews the current status of available propagation data and information relating to the design of satellite telecommunication systems in tropical regions. With broadcast application in mind, the seasonal and diurnal variability of rain attenuation was investigated in addition to the compilation of annual cumulative statistics. For instance, a satellite broadcast system may find greatest viewer demand during the late afternoon and evening hours, where in some climates highest rainfalls occur. Based on the rain attenuation and some scientific concerns on millimetre wave, a new model to predict rain attenuation in tropical region was developed. The model was configured taking consideration of the physical structure of the rain drops at 38 GHz frequency, type of precipitation and the scattering and absorption properties when attenuated by hydrometeors.
Download or read book Advances in Numerical Model Data Assimilation and Observations for Hazardous Weather Prediction written by Feifei Shen and published by Frontiers Media SA. This book was released on 2023-10-30 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accurate and timely forecasting of hazardous weather events induced by meso-scale convection systems (MCSs) is the key to safeguarding lives and property. Yet the MCS forecasting is challenging due to imperfect initial numerical conditions that lack meso-scale convective information and multi-scale dynamic and thermodynamic consistency. Remote sensing observations are the primary source of estimating weather conditions, such as moisture, wind velocity, and precipitation. It is of fundamental pivotality to develop data assimilation technologies to enhance applications of multi-source observations. Performance assessments of new types of observations facilitate the network designment for regional- and storm-scale numerical models. This Research Topic seeks submissions underscoring the improvement of the accuracy of MCS predictions, warnings, and decision support for high-impact weather events as well as observation network designs.
Download or read book Telecommunications Engineer s Reference Book written by Fraidoon Mazda and published by Butterworth-Heinemann. This book was released on 2014-06-28 with total page 1140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Telecommunications Engineer's Reference Book maintains a balance between developments and established technology in telecommunications. This book consists of four parts. Part 1 introduces mathematical techniques that are required for the analysis of telecommunication systems. The physical environment of telecommunications and basic principles such as the teletraffic theory, electromagnetic waves, optics and vision, ionosphere and troposphere, and signals and noise are described in Part 2. Part 3 covers the political and regulatory environment of the telecommunications industry, telecommunication standards, open system interconnect reference model, multiple access techniques, and network management. The last part deliberates telecommunication applications that includes synchronous digital hierarchy, asynchronous transfer mode, integrated services digital network, switching systems, centrex, and call management. This publication is intended for practicing engineers, and as a supplementary text for undergraduate courses in telecommunications.
Download or read book Icccd 2000 written by and published by Allied Publishers. This book was released on 2000 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt:
