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The book presents new results of research advancing the field and applications of modulation. The information contained herein is important for improving the performance of modern and future wireless communication systems (CS) and networks. Chapters cover such topics as amplitude modulation, orthogonal frequency-division multiplexing (OFDM) signals, electro-optic lithium niobate (LiNbO3) modulators for optical communications, radio frequency signals, and more.
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The book presents new results of research advancing the field and applications of modulation. The information contained herein is important for improving the performance of modern and future wireless communication systems (CS) and networks. Chapters cover such topics as amplitude modulation, orthogonal frequency-division multiplexing (OFDM) signals, electro-optic lithium niobate (LiNbO3) modulators for optical communications, radio frequency signals, and more.
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The book presents new results of research advancing the field and applications of modulation. The information contained herein is important for improving the performance of modern and future wireless communication systems (CS) and networks. Chapters cover such topics as amplitude modulation, orthogonal frequency-division multiplexing (OFDM) signals, electro-optic lithium niobate (LiNbO3) modulators for optical communications, radio frequency signals, and more.
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Approximately 100 terms and their definitions, for accurately and precisely describing the waveforms of pulse signals and the process of measuring pulse signals, are presented in this standard. Algorithms are provided for computing the values of defined terms that describe measurable parameters of the waveform, such as transition duration, state level, pulse amplitude, and waveform aberrations. These analysis algorithms are applicable to two-state waveforms havingone or two transitions connecting these states. Compound waveform analysis is accomplished by decomposing the compound waveform into its constituent two-state single-transition waveforms.
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The following constitutes a revision of IEEE No.170 (53 IRE ll.Sl), "Standards on Modulation Systems: Definitions of Terms, 1953." It is not intended to cover the subject matter of Information Theory which is contained in IEEE No.171 (58 IRE ll.Sl ), IRE Standards on Information Theory: Definitions of Terms, 1958.Nevertheless, a few borderline terms, such as Coding and Nyquist Rate, have been included in the list. This merely reflects the fact that the two Standards define terms in adjoining areas of subject matter.The definitions given in this Standard are intended to reflect the latest usage and also toimprove the clarity and precision. Terms such as Capture Effect have been newly added, whileterms no longer in use, such as Two-Source Frequency Keying, have been deleted.
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This work presents the design and testing of a new semiconductor-based pulsed power modulator meeting the challenging requirements of a pulsed electron beam device (GESA): a fast-rising (10^12 V/s) output voltage with arbitrary waveform of maximum 120 kV at a maximum current of 600 A for a pulse duration of up to 100 µs.
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