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A co-channel interference model for spread spectrum technologies [[electronic resource] /] / Teresa Rusyn, Timothy Riley
A co-channel interference model for spread spectrum technologies [[electronic resource] /] / Teresa Rusyn, Timothy Riley
Autore Rusyn Teresa
Pubbl/distr/stampa [Washington, D.C.] : , : U.S. Dept. of Commerce, National Telecommunications and Information Administration, , [2010]
Descrizione fisica 1 online resource (x, 44 pages) : illustrations (some color)
Altri autori (Persone) RileyTimothy
Collana NTIA technical report
Soggetto topico Frequency spectra
Code division multiple access
Mobile communication systems
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910699907603321
Rusyn Teresa  
[Washington, D.C.] : , : U.S. Dept. of Commerce, National Telecommunications and Information Administration, , [2010]
Materiale a stampa
Lo trovi qui: Univ. Federico II
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A cognitive agent for spectrum monitoring and informed spectrum access / / by Jerry L Silvious
A cognitive agent for spectrum monitoring and informed spectrum access / / by Jerry L Silvious
Autore Silvious Jerry L.
Pubbl/distr/stampa Adelphi, MD : , : US Army Research Laboratory, , June 2017
Descrizione fisica 1 online resource (iv, 14 pages) : color illustrations
Collana ARL-TR
Soggetto topico Intelligent agents (Computer software)
Spectrum analysis
Frequency spectra
Soggetto genere / forma Technical reports.
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910711696603321
Silvious Jerry L.  
Adelphi, MD : , : US Army Research Laboratory, , June 2017
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Foundations of time-frequency analysis / Karlheinz Gröchenig
Foundations of time-frequency analysis / Karlheinz Gröchenig
Autore Gröchenig, Karlheinz
Pubbl/distr/stampa New York : Springer, 2001
Descrizione fisica xv, 359 p. : ill. ; 24 cm
Disciplina 621.3822
Soggetto topico Signal processing - Mathematics
Time-series analysis
Frequency spectra
ISBN 9781461265689
Classificazione AMS 37M
LC TK51029
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISALENTO-991003717639707536
Gröchenig, Karlheinz  
New York : Springer, 2001
Materiale a stampa
Lo trovi qui: Univ. del Salento
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Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis , October 6-9, 1998, Pittsburgh, Pennsylvania, USA
Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis , October 6-9, 1998, Pittsburgh, Pennsylvania, USA
Pubbl/distr/stampa [Place of publication not identified], : Institute of Electrical and Electronics Engineers, 1998
Disciplina 621.382/2
Soggetto topico Signal processing - Mathematics
Image processing - Mathematics
Time-series analysis
Frequency spectra
Telecommunications
Electrical & Computer Engineering
Engineering & Applied Sciences
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNISA-996199640503316
[Place of publication not identified], : Institute of Electrical and Electronics Engineers, 1998
Materiale a stampa
Lo trovi qui: Univ. di Salerno
Opac: Controlla la disponibilità qui
Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis , October 6-9, 1998, Pittsburgh, Pennsylvania, USA
Proceedings of the IEEE-SP International Symposium on Time-Frequency and Time-Scale Analysis , October 6-9, 1998, Pittsburgh, Pennsylvania, USA
Pubbl/distr/stampa [Place of publication not identified], : Institute of Electrical and Electronics Engineers, 1998
Disciplina 621.382/2
Soggetto topico Signal processing - Mathematics
Image processing - Mathematics
Time-series analysis
Frequency spectra
Telecommunications
Electrical & Computer Engineering
Engineering & Applied Sciences
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910872622203321
[Place of publication not identified], : Institute of Electrical and Electronics Engineers, 1998
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Quantitative assessments of spectrum usage
Quantitative assessments of spectrum usage
Pubbl/distr/stampa [Washington, D.C.] : , : U.S. Department of Commerce, [National Telecommunications and Information Administration], , 2016
Descrizione fisica 1 online resource (vi, 66 pages) : illustrations
Soggetto topico Frequency spectra
Wireless communication systems - United States
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Record Nr. UNINA-9910706929303321
[Washington, D.C.] : , : U.S. Department of Commerce, [National Telecommunications and Information Administration], , 2016
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Relationships between measured power and measurement bandwidth for frequency-modulated (chirped) pulses / / Frank H. Sanders, Roger A. Dalke
Relationships between measured power and measurement bandwidth for frequency-modulated (chirped) pulses / / Frank H. Sanders, Roger A. Dalke
Autore Sanders Frank H.
Pubbl/distr/stampa [Washington, D.C.] : , : U.S. Department of Commerce, National Telecommunications and Information Administration, , August 2012
Descrizione fisica 1 online resource (viii, 20 pages) : illustrations (some color)
Collana NTIA technical report
Soggetto topico Radio - Interference
Radio - Receivers and reception
Radio frequency
Radar
Frequency spectra
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Relationships between measured power and measurement bandwidth for frequency-modulated
Record Nr. UNINA-9910711618103321
Sanders Frank H.  
[Washington, D.C.] : , : U.S. Department of Commerce, National Telecommunications and Information Administration, , August 2012
Materiale a stampa
Lo trovi qui: Univ. Federico II
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Spectrum management [[electronic resource] ] : better knowledge needed to take advantage of technologies that may improve spectrum efficiency : report to congressional requesters
Spectrum management [[electronic resource] ] : better knowledge needed to take advantage of technologies that may improve spectrum efficiency : report to congressional requesters
Pubbl/distr/stampa [Washington, D.C.] : , : U.S. General Accounting Office, , [2004]
Soggetto topico Radiofrequency spectroscopy
Frequency spectra
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Altri titoli varianti Spectrum management
Record Nr. UNINA-9910692543403321
[Washington, D.C.] : , : U.S. General Accounting Office, , [2004]
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Time-frequency analysis [[electronic resource] ] : concepts and methods / / edited by Franz Hlawatsch and François Auger
Time-frequency analysis [[electronic resource] ] : concepts and methods / / edited by Franz Hlawatsch and François Auger
Pubbl/distr/stampa London, : ISTE
Descrizione fisica 1 online resource (436 p.)
Disciplina 621.382/2
621.3822
Altri autori (Persone) HlawatschF (Franz)
AugerFrançois
Collana ISTE
Soggetto topico Signal processing - Mathematics
Time-series analysis
Frequency spectra
Soggetto genere / forma Electronic books.
ISBN 1-282-16507-0
9786612165078
0-470-61120-0
0-470-39383-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Time-Frequency Analysis; Contents; Preface; First part. Fundamental Concepts and Methods; Chapter 1. Time-Frequency Energy Distributions: An Introduction; 1.1. Introduction; 1.2. Atoms; 1.3. Energy; 1.3.1. Distributions; 1.3.2. Devices; 1.3.3. Classes; 1.4. Correlations; 1.5. Probabilities; 1.6. Mechanics; 1.7. Measurements; 1.8. Geometries; 1.9. Conclusion; 1.10. Bibliography; Chapter 2. Instantaneous Frequency of a Signal; 2.1. Introduction; 2.2. Intuitive approaches; 2.3. Mathematical definitions; 2.3.1. Ambiguity of the problem; 2.3.2. Analytic signal and Hilbert transform
2.3.3. Application to the definition of instantaneous frequency2.3.4. Instantaneous methods; 2.4. Critical comparison of the different definitions; 2.4.1. Interest of linear filtering; 2.4.2. Bounds of the quantities introduced; 2.4.3. Instantaneous nature; 2.4.4. Interpretation by the average; 2.5. Canonical pairs; 2.6. Phase signals; 2.6.1. Blaschke factors; 2.6.2. Oscillatory singularities; 2.7. Asymptotic phase signals; 2.7.1. Parabolic chirp; 2.7.2. Cubic chirp; 2.8. Conclusions; 2.9. Bibliography; Chapter 3. Linear Time-Frequency Analysis I: Fourier-Type Representations
3.1. Introduction3.2. Short-time Fourier analysis; 3.2.1. Short-time Fourier transform; 3.2.2. Time-frequency energy maps; 3.2.3. Role of the window; 3.2.4. Reconstruction/synthesis; 3.2.5. Redundancy; 3.3. Gabor transform; Weyl-Heisenberg and Wilson frames; 3.3.1. Sampling of the short-time Fourier transform; 3.3.2. Weyl-Heisenberg frames; 3.3.3. Zak transform and "critical" Weyl-Heisenberg frames; 3.3.4. Balian-Low theorem; 3.3.5. Wilson bases and frames, local cosine bases; 3.4. Dictionaries of time-frequency atoms; adaptive representations
3.4.1. Multi-scale dictionaries of time-frequency atoms3.4.2. Pursuit algorithm; 3.4.3. Time-frequency representation; 3.5. Applications to audio signals; 3.5.1. Analysis of superimposed structures; 3.5.2. Analysis of instantaneous frequency variations; 3.5.3. Transposition of an audio signal; 3.6. Discrete algorithms; 3.6.1. Fast Fourier transform; 3.6.2. Filter banks: fast convolution; 3.6.3. Discrete short-time Fourier transform; 3.6.4. Discrete Gabor transform; 3.7. Conclusion; 3.8. Acknowledgements; 3.9. Bibliography
Chapter 4. Linear Time-Frequency Analysis II: Wavelet-Type Representations4.1. Introduction: scale and frequency; 4.2. Continuous wavelet transform; 4.2.1. Analysis and synthesis; 4.2.2. Multiscale properties; 4.3. Discrete wavelet transform; 4.3.1. Multi-resolution analysis; 4.3.2. Mallat algorithm; 4.3.3. Graphical representation; 4.4. Filter banks and wavelets; 4.4.1. Generation of regular scaling functions; 4.4.2. Links with approximation theory; 4.4.3. Orthonormality and bi-orthonormality/perfect reconstruction; 4.4.4. Polyphase matrices and implementation
4.4.5. Design of wavelet filters with finite impulse response
Record Nr. UNINA-9910139467603321
London, : ISTE
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui
Time-frequency analysis [[electronic resource] ] : concepts and methods / / edited by Franz Hlawatsch and François Auger
Time-frequency analysis [[electronic resource] ] : concepts and methods / / edited by Franz Hlawatsch and François Auger
Pubbl/distr/stampa London, : ISTE
Descrizione fisica 1 online resource (436 p.)
Disciplina 621.382/2
621.3822
Altri autori (Persone) HlawatschF (Franz)
AugerFrançois
Collana ISTE
Soggetto topico Signal processing - Mathematics
Time-series analysis
Frequency spectra
ISBN 1-282-16507-0
9786612165078
0-470-61120-0
0-470-39383-1
Formato Materiale a stampa
Livello bibliografico Monografia
Lingua di pubblicazione eng
Nota di contenuto Time-Frequency Analysis; Contents; Preface; First part. Fundamental Concepts and Methods; Chapter 1. Time-Frequency Energy Distributions: An Introduction; 1.1. Introduction; 1.2. Atoms; 1.3. Energy; 1.3.1. Distributions; 1.3.2. Devices; 1.3.3. Classes; 1.4. Correlations; 1.5. Probabilities; 1.6. Mechanics; 1.7. Measurements; 1.8. Geometries; 1.9. Conclusion; 1.10. Bibliography; Chapter 2. Instantaneous Frequency of a Signal; 2.1. Introduction; 2.2. Intuitive approaches; 2.3. Mathematical definitions; 2.3.1. Ambiguity of the problem; 2.3.2. Analytic signal and Hilbert transform
2.3.3. Application to the definition of instantaneous frequency2.3.4. Instantaneous methods; 2.4. Critical comparison of the different definitions; 2.4.1. Interest of linear filtering; 2.4.2. Bounds of the quantities introduced; 2.4.3. Instantaneous nature; 2.4.4. Interpretation by the average; 2.5. Canonical pairs; 2.6. Phase signals; 2.6.1. Blaschke factors; 2.6.2. Oscillatory singularities; 2.7. Asymptotic phase signals; 2.7.1. Parabolic chirp; 2.7.2. Cubic chirp; 2.8. Conclusions; 2.9. Bibliography; Chapter 3. Linear Time-Frequency Analysis I: Fourier-Type Representations
3.1. Introduction3.2. Short-time Fourier analysis; 3.2.1. Short-time Fourier transform; 3.2.2. Time-frequency energy maps; 3.2.3. Role of the window; 3.2.4. Reconstruction/synthesis; 3.2.5. Redundancy; 3.3. Gabor transform; Weyl-Heisenberg and Wilson frames; 3.3.1. Sampling of the short-time Fourier transform; 3.3.2. Weyl-Heisenberg frames; 3.3.3. Zak transform and "critical" Weyl-Heisenberg frames; 3.3.4. Balian-Low theorem; 3.3.5. Wilson bases and frames, local cosine bases; 3.4. Dictionaries of time-frequency atoms; adaptive representations
3.4.1. Multi-scale dictionaries of time-frequency atoms3.4.2. Pursuit algorithm; 3.4.3. Time-frequency representation; 3.5. Applications to audio signals; 3.5.1. Analysis of superimposed structures; 3.5.2. Analysis of instantaneous frequency variations; 3.5.3. Transposition of an audio signal; 3.6. Discrete algorithms; 3.6.1. Fast Fourier transform; 3.6.2. Filter banks: fast convolution; 3.6.3. Discrete short-time Fourier transform; 3.6.4. Discrete Gabor transform; 3.7. Conclusion; 3.8. Acknowledgements; 3.9. Bibliography
Chapter 4. Linear Time-Frequency Analysis II: Wavelet-Type Representations4.1. Introduction: scale and frequency; 4.2. Continuous wavelet transform; 4.2.1. Analysis and synthesis; 4.2.2. Multiscale properties; 4.3. Discrete wavelet transform; 4.3.1. Multi-resolution analysis; 4.3.2. Mallat algorithm; 4.3.3. Graphical representation; 4.4. Filter banks and wavelets; 4.4.1. Generation of regular scaling functions; 4.4.2. Links with approximation theory; 4.4.3. Orthonormality and bi-orthonormality/perfect reconstruction; 4.4.4. Polyphase matrices and implementation
4.4.5. Design of wavelet filters with finite impulse response
Record Nr. UNINA-9910830189603321
London, : ISTE
Materiale a stampa
Lo trovi qui: Univ. Federico II
Opac: Controlla la disponibilità qui