'Rough approximation' diaporamas de présentation

Physical Layer ( Data and Signals)

Physical Layer ( Data and Signals). slides are modified from Behrouz A. Forouzan. Chapter 3: Data and Signals. 3.1 Analog and Digital 3.2 Periodic Analog Signals 3.3 Digital Signals 3.4 Transmission Impairment 3.5 Data-rate Limits 3.6 Performance. Physical layer. To be transmitted,

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A Simple Method for Extracting the Natural Beauty of Hair

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Sources of Reionization

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Theory of Melting Point

Theory of Melting Point. Indication of purity Physical property used for identification Pure compounds melt within a 1-2 degree range. Theory of Melting Point. Impurities lower melting point: takes less energy to disrupt crystal lattice when impurities are present

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Theory of Melting Point

Theory of Melting Point. Indication of purity Physical property used for identification Pure compounds melt within a 1-2 degree range. Theory of Melting Point. Impurities lower melting point: takes less energy to disrupt crystal lattice when impurities are present

339 views • 10 slides