Envelope detection - PowerPoint PPT Presentation

Pulse Position Access Codes

Pulse Position Access Codes. A.J. Han Vinck. content. 1. Motivation UWB, frequency hopping (M-FSK) 2. Synchronized 3. PPM word format 4. Unsynchronized permutation codes, M-ary FSK 5. Codes with low corelation. UWB signal emission spectrum mask ( 3.1-10.6 GHz )

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828 views • 67 slides

C H A P T E R 4 AMPLITUDE MODULATIONS AND DEMODULATIONS

C H A P T E R 4 AMPLITUDE MODULATIONS AND DEMODULATIONS. Baseband Communications: Message signals are directly transmitted without any modification. Carrier Communications: Uses modulation to shift the frequency spectrum of a signal Amplitude Modulation (AM) Frequency Modulation (FM)

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894 views • 35 slides

Analysis/Synthesis of Transients in Audio Signals

Analysis/Synthesis of Transients in Audio Signals. François Xavier Nsabimana. Outline. Signal representation Sinusoidal Modeling: SM Spectral Modeling Synthesis: SMS SM: Sinusoidal Modeling RA: Residual Approximation Transient Modeling Synthesis: TMS Sinusoids Modeling

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478 views • 17 slides

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