'Signal level' presentation slideshows

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.

1.56k views • 100 slides

CWNA Guide to Wireless LANs, Second Edition

CWNA Guide to Wireless LANs, Second Edition. Chapter Three How Wireless Works. Objectives. Explain the principals of radio wave transmissions Describe RF loss and gain, and how it can be measured List some of the characteristics of RF antenna transmissions

719 views • 54 slides

CS412 Introduction to Computer Networking & Telecommunication

CS412 Introduction to Computer Networking & Telecommunication. Theoretical Basis of Data Communication. Topics. Analog/Digital Signals Time and Frequency Domains Bandwidth and Channel Capacity Data Communication Measurements. Signals.

807 views • 48 slides

Biomechanical Energy Conversion: Challenges in Power Electronics and Electromechanics

710 views • 36 slides

549 views • 31 slides

ARES: an Anti-jamming REinforcement System for 802.11 Networks

ARES: an Anti-jamming REinforcement System for 802.11 Networks. Konstantinos Pelechrinis , Ioannis Broustis, Srikanth V. Krishnamurthy, Christos Gkantsidis ACM CoNEXT 2009. Launching DoS Attacks in WiFi networks is easy.

669 views • 30 slides

Geographic Information Services (GIS)

452 views • 30 slides

Sensor presentation

Sensor presentation. Product Scope. A Sensor is a device intended to transmit a signal corresponding to the primary current or voltage to the secondary equipment. Power IT Sensors are typically used in MV switchgears and switches for measuring, protection and indication. .

934 views • 29 slides

GG450

GG450. March 6 & 11, 2008 Elementary Digital Analysis.

375 views • 25 slides

Bottom-Up Evaluation of 802.11 Performance Testing

September 2004. doc.: IEEE 802.11-04-1156-00-000t. Bottom-Up Evaluation of 802.11 Performance Testing. Dr. Michael D. Foegelle ETS-Lindgren. Submission. Foegelle, ETS-Lindgren. Overview. Introduction Layer Analysis Basic Operational Testing Environmental Effects Summary & Conclusion.

342 views • 24 slides

Electro-Oculography (EOG) Measurement System

Electro-Oculography (EOG) Measurement System. The goal : To measure eye movement with maximum accuracy using s kin electrodes around the eye s that detect potential differences. Fixations ( ?????? ): The eye is almost motionless, for example, while reading a single, short word.

888 views • 23 slides

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Thesis Proposal for: Companding in Fixed Point DSPs

Thesis Proposal for: Companding in Fixed Point DSPs. A scheme to reduce the quantization (roundoff) errors in Fixed Point DSPs Ari Klein. ADVANTAGE OF LARGE SIGNALS. When the signals in the DSP are large, they take full advantage of the available bits.

481 views • 22 slides

Chapter Twenty-Five: Optical Communication Systems

Chapter Twenty-Five: Optical Communication Systems. Introduction. Fiber-optic systems are becoming very important in communication systems Applications for fiber-optics include: Cable television Data networks Telephone systems Hybrid systems. Basic Fiber-Optic Systems.

578 views • 22 slides

RS232 and RS485 Fundamental

3.87k views • 17 slides

Using TSB-88 Region 5 700 MHz

Using TSB-88 Region 5 700 MHz. Using TSB-88 to insure frequency usage does not cause interference in Region 5. TSB-88 Purpose.

274 views • 11 slides

RS-485 Data Link Tester

Team Members: Raymond Weber Lance Spotted Elk Sponsor: LED Effects. RS-485 Data Link Tester. Purpose. Design a roving data tester and a data source. Test for correct wiring during the installation of LCD panels Check for wiring errors such as shorts, opens, as well as AC crosses

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Retrieval of Latent Heat in a Rapidly Intensifying Hurricane Stephen Guimond, Code 613.1, NASA GSFC and ORAU/NPP

Retrieval of Latent Heat in a Rapidly Intensifying Hurricane Stephen Guimond, Code 613.1, NASA GSFC and ORAU/NPP .

217 views • 8 slides

Sigma Delta A/D Converter

Sigma Delta A/D Converter. e [n]. f s. f s. Decimation Filter. 2 f o. x (t). Sampler. Modulator. x [n]. y [n]. 16 bits. Bandlimited to f o. Digital. Analog. Over Sampling Ratio = 2 f o is Nyquist frequency Transfer function for an L th order modulator given by.

418 views • 8 slides

BIOL 102 review COMMUNICATIONS

BIOL 102 review COMMUNICATIONS. And apply to what happens in RELATIONSHIPS within and between organisms.

179 views • 4 slides