'Simple sine waves' presentation slideshows

Communication at Physical Layer

Communication at Physical Layer. Analog & Digital Data. Data ? Analog or Digital Analog Data ? Continuous Digital Data ? Discrete Examples: Analog Clock vs. Digital Clock Human voice vs. Data in Computer. Analog & Digital Signals. Signals represent Data Signals ? Analog or Digital

1.5k views • 149 slides

ECOM 4314 Data Communications Fall September, 2010

ECOM 4314 Data Communications Fall September, 2010. Lecture #3 Outline. Analog and Digital Data and Signals Periodic and Nonperiodic Signals Sine Wave Wavelength Time and Frequency Domain Composite Signals Bandwidth. Analog and Digital Data. Data can be analog or digital.

1.55k views • 100 slides

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,

1.01k views • 82 slides

Mobile Communications Systems

Mobile Communications Systems. Janaka Harambearachchi. Modulation, coding, compression and encryption techniques. 1 Analogue modulation : time domain (waveforms), frequency domain (spectra), amplitude modulation (am), frequency modulation (fm), phase modulation (pm)

1.06k views • 68 slides

Chapter 3 Data and Signals

870 views • 51 slides

Robotics

603 views • 42 slides

Chapter 21

Chapter 21. Musical Sounds. The source of all musical sound is something. vibrating. resonating. under both tension and compression. represented by a series of harmonics. The source of all musical sound is something. vibrating. resonating. under both tension and compression.

378 views • 25 slides

Signals

Signals. Signals can be analog or digital. Analog signals can have an infinite number of values in a range; digital signals can have only a limited number of values . In data communication, we commonly use periodic analog signals and aperiodic digital signals.

408 views • 15 slides