刚毅 发表于 2025-4-1 02:55:33
Stanley Chow,Philip Eisen,Harold Johnson,Paul C. Van Oorschotf their tonal content and their frequency representation often offers a more compact representation. The Fourier Transform is the basic tool that allows us to transform from functions of time like x(t) into corresponding functions of frequency like X(f). In this chapter, we first review some basic m密码 发表于 2025-4-1 10:01:10
Sarvar Patel,Zulfikar Ramzan,Ganpathy S. Sundaram the theory of time-variant systems.Includes all mathematica.This book offers students, scientists and engineers an extensive introduction to the theoretical fundamentals of digital communications, covering single input single output (SISO), multiple input multiple output (MIMO), and time-variant syConstant 发表于 2025-4-1 10:09:08
Carlo Blundo,Paolo D’Arco,Alfredo De Santis,Douglas R. Stinsonermany, wireless telegraphy transmission was demonstrated at the end of the nineteenth century by the radio pioneer and founder of the later company Guglielmo Marconi. Besides quite some important developments of different antenna technologies, the early ideas for multiple input multiple output (MIM脖子 发表于 2025-4-1 14:33:25
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lt er die einflussreichsten Architekturbewegungen wie auch die wichtigsten und berühmtesten Werke der größten Baumeister aller Zeiten vor. .Das Buch spannt einen weiten Bogen von der Antike bis zur Gegenwart – von den frühesten Anfängen der Architektur im antiken Griechenland über die revolutionären Entwicklungen978-3-8274-3066-3沉默 发表于 2025-4-2 04:06:17
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