Cyclostionary Spectral Analysis Of Typical Satcom Signals Using The Fft Accumulation Method
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Author | : |
Publisher | : |
Total Pages | : 34 |
Release | : 1995 |
Genre | : |
ISBN | : |
The suitability of cyclostationary spectral analysis for the detection and identification of typical Satcom signals is examined. An overview of the general equations for cyclostationary spectral analysis is presented. The cyclic spectrum is derived for some common Satcom modulation schemes. Cyclic spectrum estimation techniques are described with particular emphasis on the time smoothed approach. Key aspects of a computationally efficient algorithm for computing the cyclic spectrum estimates, called the 'Fast Fourier Transform (FFT) Accumulation Method' (FAM) are outlined. The FAM algorithm is implemented on a Digital Signal Processor/Personal Computer (DSP/PC) board containing a TMS32Oc51 processor chip and used to compute the cyclic spectrum for various phase shift keyed (PSK) and spread spectrum waveforms. The results are presented and discussed.
Author | : |
Publisher | : |
Total Pages | : 28 |
Release | : 1995 |
Genre | : |
ISBN | : |
This paper examines the suitability of cyclostationary spectral analysis for the detection and identification of typical Satcom signals. The paper first presents an overview of the general equations for cyclostationary spectral analysis and derives the cyclic spectrum for some common Satcom modulation schemes. Cyclic spectrum estimation techniques are described with particular emphasis on the time-smoothed approach. The paper then outlines key aspects of a computationally efficient algorithm for computing the cyclic spectrum estimates, called the fast Fourier transform (FFT) accumulation method (FAM). The paper concludes with presentation of experimental results in which the FAM algorithm is implemented on a digital signal processor/personal computer board and used to compute the cyclic spectrum for various phase-shift-keyed and spread-spectrum waveforms.
Author | : Phillip E. Pace |
Publisher | : Artech House |
Total Pages | : 893 |
Release | : 2009 |
Genre | : Technology & Engineering |
ISBN | : 159693235X |
"This comprehensive book presents LPI radar design essentials, including ambiguity analysis of LPI waveforms, FMCW radar, and phase-shift and frequency-shift keying techniques. Moreover, you find details on new OTHR modulation schemes, noise radar, and spatial multiple-input multiple-output (MIMO) systems. The book explores autonomous non-linear classification signal processing algorithms for identifying LPI modulations. It also demonstrates four intercept receiver signal processing techniques for LPI radar detection that helps you determine which time-frequency, bi-frequency technique best suits any LPI modulation of interest."--Publisher.
Author | : |
Publisher | : |
Total Pages | : 690 |
Release | : 1996 |
Genre | : Science |
ISBN | : |
Author | : Antonio Napolitano |
Publisher | : John Wiley & Sons |
Total Pages | : 452 |
Release | : 2012-12-07 |
Genre | : Technology & Engineering |
ISBN | : 1118437918 |
The relative motion between the transmitter and the receiver modifies the nonstationarity properties of the transmitted signal. In particular, the almost-cyclostationarity property exhibited by almost all modulated signals adopted in communications, radar, sonar, and telemetry can be transformed into more general kinds of nonstationarity. A proper statistical characterization of the received signal allows for the design of signal processing algorithms for detection, estimation, and classification that significantly outperform algorithms based on classical descriptions of signals.Generalizations of Cyclostationary Signal Processing addresses these issues and includes the following key features: Presents the underlying theoretical framework, accompanied by details of their practical application, for the mathematical models of generalized almost-cyclostationary processes and spectrally correlated processes; two classes of signals finding growing importance in areas such as mobile communications, radar and sonar. Explains second- and higher-order characterization of nonstationary stochastic processes in time and frequency domains. Discusses continuous- and discrete-time estimators of statistical functions of generalized almost-cyclostationary processes and spectrally correlated processes. Provides analysis of mean-square consistency and asymptotic Normality of statistical function estimators. Offers extensive analysis of Doppler channels owing to the relative motion between transmitter and receiver and/or surrounding scatterers. Performs signal analysis using both the classical stochastic-process approach and the functional approach, where statistical functions are built starting from a single function of time.
Author | : Bhattacharyya, Siddhartha |
Publisher | : IGI Global |
Total Pages | : 696 |
Release | : 2016-12-12 |
Genre | : Computers |
ISBN | : 1522517863 |
The communication field is evolving rapidly in order to keep up with society’s demands. As such, it becomes imperative to research and report recent advancements in computational intelligence as it applies to communication networks. The Handbook of Research on Recent Developments in Intelligent Communication Application is a pivotal reference source for the latest developments on emerging data communication applications. Featuring extensive coverage across a range of relevant perspectives and topics, such as satellite communication, cognitive radio networks, and wireless sensor networks, this book is ideally designed for engineers, professionals, practitioners, upper-level students, and academics seeking current information on emerging communication networking trends.
Author | : Nancy J. Carter |
Publisher | : |
Total Pages | : 105 |
Release | : 1992 |
Genre | : |
ISBN | : |
Author | : Alexander M. Wyglinski |
Publisher | : Artech House |
Total Pages | : 375 |
Release | : 2018-04-30 |
Genre | : Technology & Engineering |
ISBN | : 1630814598 |
Based on the popular Artech House classic, Digital Communication Systems Engineering with Software-Defined Radio, this book provides a practical approach to quickly learning the software-defined radio (SDR) concepts needed for work in the field. This up-to-date volume guides readers on how to quickly prototype wireless designs using SDR for real-world testing and experimentation. This book explores advanced wireless communication techniques such as OFDM, LTE, WLA, and hardware targeting. Readers will gain an understanding of the core concepts behind wireless hardware, such as the radio frequency front-end, analog-to-digital and digital-to-analog converters, as well as various processing technologies. Moreover, this volume includes chapters on timing estimation, matched filtering, frame synchronization message decoding, and source coding. The orthogonal frequency division multiplexing is explained and details about HDL code generation and deployment are provided. The book concludes with coverage of the WLAN toolbox with OFDM beacon reception and the LTE toolbox with downlink reception. Multiple case studies are provided throughout the book. Both MATLAB and Simulink source code are included to assist readers with their projects in the field.
Author | : |
Publisher | : |
Total Pages | : 786 |
Release | : 1991 |
Genre | : Aeronautics |
ISBN | : |
Author | : Heinrich Meyr |
Publisher | : Wiley-Interscience |
Total Pages | : 864 |
Release | : 1997-11-03 |
Genre | : Technology & Engineering |
ISBN | : 9780471502753 |
Digital Communication Receivers Synchronization, Channel Estimation, and Signal Processing Digital Communication Receivers offers a complete treatment on the theoretical and practical aspects of synchronization and channel estimation from the standpoint of digital signal processing. The focus on these increasingly important topics, the systematic approach to algorithm development, and the linked algorithm-architecture methodology in digital receiver design are unique features of this book. The material is structured according to different classes of transmission channels. In Part C, baseband transmission over wire or optical fiber is addressed. Part D covers passband transmission over satellite or terrestrial wireless channels. Part E deals with transmission over fading channels. Designed for the practicing communication engineer and the graduate student, the book places considerable emphasis on helpful examples, summaries, illustrations, and bibliographies. Contents include: * Basic material * Baseband communications * Passband transmission * Receiver structure for PAM signals * Synthesis of synchronization algorithms * Performance analysis of synchronizers * Bit error degradation caused by random tracking errors * Frequency estimation * Timing adjustment by interpolation * DSP system implementation * Characterization, modeling, and simulation of linear fading channels * Detection and parameter synchronization on fading channels * Receiver structures for fading channels * Parameter synchronization for flat fading channels * Parameter synchronization for selective fading channels