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On Post-SKA Radio Astronomy

Yuri Parijskij, Vladimir Chernenkov
2001 International Astronomical Union Colloquium  
A FAST-style SKA would admit observations of low contrast features, and would be the best design for studying the 'dark ages' of the Universe (x» 1) where sub-arcmin total power instruments can usefully  ...  AbstractIt is suggested that the development of the SKA will drastically change the face of radio astronomy in the 21 st Century.  ...  Thus it may well be that the bulk of the hardware necessary for radio astronomy in the future will be available as a matter of course, driven by the desire for powerful personal communication systems.  ... 
doi:10.1017/s025292110000097x fatcat:w63onrvwxbgblm24sdfqjjukba

The role of speech processing in human–computer intelligent communication

Candace Kamm, Marilyn Walker, Lawrence Rabiner
1997 Speech Communication  
We are currently in the midst of a revolution in communications that promises to provide ubiquitous access to multimedia communication services.  ...  We discuss potential applications of SLIs, the technologies underlying them, the principles we have developed for designing them, and key areas for future research in both spoken language processing and  ...  Plot of speech and audio frequency bands for telephone, AM-radio, FM-radio, and compact disc audio signals.  ... 
doi:10.1016/s0167-6393(97)00059-9 fatcat:mzouggkgengqhjo2e6cjgmhwoe

Page 118 of Aerospace Engineering Vol. 19, Issue 7 [page]

1960 Aerospace Engineering  
Presentation of a method for solving the problem of synthesis of linear automatic control systems with variable parameters for the case when the optimum dyna- mic characteristic of the system is given  ...  Discussion of the prediction of the input signal, identification of the extrapolated state of the system, derivation of the explicit expressions for the optimum control, synthesis of the optimum controller  ... 

Microwave photonics approach as a novel smart fabrication technique of a radio communication jammers

Mikhail E. Belkin, Dmitriy Fofanov, Alexander Sigov
2021 Procedia Computer Science  
A novel technique to fabricate a responsive radio communication jammer, the purpose of which is to suppress a radio signal with a detonation code as well as to interfere communication link due to Denial-of-Service  ...  Abstract A novel technique to fabricate a responsive radio communication jammer, the purpose of which is to suppress a radio signal with a detonation code as well as to interfere communication link due  ...  Acknowledgements This work was supported by the Ministry of Science and Higher Education of the Russian Federation through the project ID RFMEFI60719X0319.  ... 
doi:10.1016/j.procs.2021.01.346 fatcat:spjznzjpineo7bjg6nip5o7n3a

Potential Key Technologies for 6G Mobile Communications [article]

Yifei Yuan, Yajun Zhao, Baiqing Zong, Sergio Parolari
2019 arXiv   pre-print
Unlike previous papers which discuss in-length about the use cases, deployment scenarios or new network architectures of 6G, this paper focuses on a few potential technologies for 6G wireless communications  ...  Some of them, such as holographic radio, terahertz communication, large intelligent surface and orbital angular momentum are of revolutionary nature and many related studies are still at the stage of scientific  ...  The modules insides the spectrum computing (SC) include signal simulator, channel simulator, wave field synthesis module and deep cognitive radio engine.  ... 
arXiv:1910.00730v1 fatcat:vgiy7cnzhncobnb27f7qyirzxe

Smart radio environments empowered by reconfigurable AI meta-surfaces: an idea whose time has come

Marco Di Renzo, Merouane Debbah, Dinh-Thuy Phan-Huy, Alessio Zappone, Mohamed-Slim Alouini, Chau Yuen, Vincenzo Sciancalepore, George C. Alexandropoulos, Jakob Hoydis, Haris Gacanin, Julien de Rosny, Ahcene Bounceur (+2 others)
2019 EURASIP Journal on Wireless Communications and Networking  
For example, methods for the synthesis of meta-surfaces with complete control of the transmitted and reflected waves [80] , and efficient computational frameworks to optimize large-area meta-surfaces  ...  This originates from the current operation of wireless radios, which consume a lot of power during data communication because the radios themselves are the devices that generate every wireless signal [  ... 
doi:10.1186/s13638-019-1438-9 fatcat:fb6735fzz5gfxm4lx6j3qyeq6q

An FPAA Approach to Adaptive Filter Design with Evolutionary Software-driven Reconfiguration

P. Farago, G. Csipkes, D. Csipkes, C. Farago, S. Hintea
2014 Elektronika ir Elektrotechnika  
The target is the development of fully adaptive mixed-signal systems on a chip, with a conclusive example found in the field of radio communications.  ...  This paper proposes an auto-adaptive filter developed for analog filtering in next-generation intelligent multi-mode wireless receivers.  ...  Next, for solving the system of design equations, evolutionary computation provides a feasible alternative to the classical equation-based design methods.  ... 
doi:10.5755/j01.eee.20.5.5579 fatcat:twkmsgm2pfatlbv2staolgo2na

Emerging Trends in Cellular Mobile Communication Technologies and Its Applications

Vimala Saravanan, M Ramachandran, Manjula Selvam
2022 Electrical and Automation Engineering  
Mobile communication makes our life easier and it saves time and effort. Next-generation wireless e-health technologies are a new and emerging topic in telemedicine and tableware systems.  ...  In this paper, we will discuss these emerging areas and the developments of the rule and their synthesis for m-health systems.  ...  Different types of mobile communication systems include a short text message you send or receive using a mobile phone and email from a Wi-Fi-enabled computer, mobile two-way radio, public land radio, mobile  ... 
doi:10.46632/eae/1/1/10 fatcat:fnisj2o7rff53fqxguxdthqbwq

Signal enhancement for communication systems used by fire fighters

Michael Brodersen, Achim Volmer, Gerhard Schmidt
2019 EURASIP Journal on Audio, Speech, and Music Processing  
The presented communication system picks up the speech signal by a microphone in the mask, enhance it, and play back the amplified signal by loudspeakers located on the outside of such masks.  ...  For this reason communication systems should be used to amplify the speech and, therefore, to improve the communication quality.  ...  Acknowledgements The authors would like to thank all participants of the subjective tests.  ... 
doi:10.1186/s13636-019-0165-9 fatcat:gup234sk6nhizfuonaxc6p2lpu

Software-Defined Radio—Basics and Evolution to Cognitive Radio

Friedrich K Jondral
2005 EURASIP Journal on Wireless Communications and Networking  
Cognitive radios are introduced as the next step in radio systems' evolution. The need for cognitive radios is exemplified by a comparison of present and advanced spectrum management strategies.  ...  We provide a brief overview over the development of software-defined or reconfigurable radio systems.  ...  Prospective authors should submit an electronic copy of their complete manuscript through the EURASIP JWCN manuscript tracking system at http://www.mstracking.com/wcn/, according to the following timetable  ... 
doi:10.1155/wcn.2005.275 fatcat:bqgwcricabekpbft22szoustum

Smart Radio Environments Empowered by AI Reconfigurable Meta-Surfaces: An Idea Whose Time Has Come [article]

Marco Di Renzo, Merouane Debbah, Dinh-Thuy Phan-Huy, Alessio Zappone, Mohamed-Slim Alouini, Chau Yuen, Vincenzo Sciancalepore, George C. Alexandropoulos, Jakob Hoydis, Haris Gacanin, Julien de Rosny, Ahcene Bounceu, Geoffroy Lerosey (+1 others)
2019 arXiv   pre-print
2) the current operation of wireless radios, which consume a lot of power because new signals are generated whenever data has to be transmitted.  ...  Future wireless networks are expected to constitute a distributed intelligent wireless communications, sensing, and computing platform, which will have the challenging requirement of interconnecting the  ...  For example, methods for the synthesis of meta-surfaces with complete control of the transmitted and reflected waves [84] , and efficient computational frameworks to optimize large-area meta-surfaces  ... 
arXiv:1903.08925v1 fatcat:xmrqoai4pzfvxfsbwmpdzmqkca

Speech Based Search Engine System Control and User Interaction

Prof. R Vijayasarathi
2012 IOSR Journal of Computer Engineering  
A visually challenged person can easily interact with the computer systems without the help of other persons.  ...  In this research we have introduced a new approach of using Speech recognition for educating visually challenged persons.  ...  Introduction Speech processing is the study of speech signals and the processing methods of these signals.  ... 
doi:10.9790/0661-0442430 fatcat:lifynsxggvemvnsgmni3fmamyu

Assistive Examination System for Visually Impaired

Manvi Breja
2015 International Journal of Computer Applications Technology and Research  
This paper presents a design of voice enabled examination system which can be used by the visually challenged students. The system uses Text-to-Speech (TTS) and Speech-to-Text (STT) technology.  ...  This system will aid the differently-abled to appear for online tests and enable them to come at par with the other students.  ...  At the end of the test, a report is generated by the system.  ... 
doi:10.7753/ijcatr0402.1014 fatcat:a5gtaef3ffg57oeels4rujhdqu

The Cavendish Computors: The women working in scientific computing for Radio Astronomy [article]

Verity Allan
2022 arXiv   pre-print
A discussion of the history of scientific computing for Radio Astronomy in the Cavendish Laboratory of the University of Cambridge in the decades after the Second World War.  ...  This covers the development of the aperture synthesis technique for Radio Astronomy and how that required using the new computing technology developed by the University's Mathematical Laboratory: the EDSAC  ...  Acknowledgements My thanks go to Dr Elizabeth Waldram, one of the Cavendish's computing pioneers, who has given her time very generously, to Dr Donald Wilson, who provided many valuable insights into this  ... 
arXiv:2205.07267v2 fatcat:xxxinnz5engtbj4ehf6jsifyhu

Multi User Detector in CDMA Using Elliptic Curve Cryptography

Md. Ranga Rao
2012 International Journal of VLSI Design & Communication Systems  
There are numerous methods for MUD in CDMA, but in most of the methods, they identify the exact user but the interference signal is high.  ...  To reduce the interference signal to very low, here propose a new technique for MUD in CDMA using ECC. The proposed technique uses multiple prime numbers for key generation.  ...  Key generation is one of the most important processes in communication system, because using this key, the signals are received in the receiver side.  ... 
doi:10.5121/vlsic.2012.3105 fatcat:z7cvfu7rkzhwzj4ytosij2v5su
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