'Radio signal' diaporamas de présentation

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Modeling Remote Sensing

Modeling Remote Sensing

Modeling Remote Sensing. Pete Arvedson Satellites & Education Conference California State University, Los Angeles August 11, 2006. Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California.

By lacey
(90 views)

How NASA communicates with spacecraft

How NASA communicates with spacecraft

How NASA communicates with spacecraft. Lesson 2. Approved for Public Release: NG17-1826, 9/15/17. Why NASA needs to communicate with spacecraft. Once spacecraft are launched, many of them will never return to Earth.

By elina
(87 views)

Wireless Technology

Wireless Technology

Wireless Technology. Wireless Media. Referred to as unbounded media. Wireless Media. Spread throughout atmosphere. Wireless Media. Not limited to a single path. Electromagnetic Waves. Categorized according to frequency ranges Frequency is based on repeating pattern of waveform

By alvaro
(220 views)

Final Review

Final Review

Final Review. Final. Format 50 multiple choice questions 4 numerical Speed Stellar Lifetime t = 10 10 (M / L) Event Horizon R= 2GM/c 2 Hubble’s Law v = H d 46 general knowledge. Numerical Questions. Examples.

By thetis
(75 views)

Adversarial Models for Wireless Communication

Adversarial Models for Wireless Communication

Adversarial Models for Wireless Communication. Andrea W. Richa Arizona State University. Motivation. Channel availability hard to model: Mobility Packet injection Temporary Obstacles Background noise Physical Interference Co-existing networks Jammer. Physical layer jamming.

By silver
(98 views)

Chapter 8: Right Triangles and Trigonometry

Chapter 8: Right Triangles and Trigonometry

Chapter 8: Right Triangles and Trigonometry. Section 8-5: Angles of Elevation and Depression. Objective:. To use angles of elevation and depression to solve problems. Vocabulary. Angle of Elevation Angle of Depression. Angle of Elevation.

By duyen
(104 views)

11a . Sun-Scorched Mercury

11a . Sun-Scorched Mercury

11a . Sun-Scorched Mercury. Earth-based observations of Mercury Mercury’s rotation & year Mariner 10 ’s images of Mercury Mercury’s interior. Mercury Data (Table 11-1). Mercury Data: Numbers. Diameter: 4,878.km 0.38 . Earth Mass: 3.3 . 10 23 kg 0.055 . Earth

By amber
(154 views)

Chapter 6: Wireless and Mobile Networks

Chapter 6: Wireless and Mobile Networks

Background: # wireless (mobile) phone subscribers now exceeds # wired phone subscribers! # wireless Internet-connected devices soon to exceed # wired Internet-connected devices laptops, Internet-enabled phones promise anytime untethered Internet access

By aradia
(130 views)

SETI Search for Extra Terrestrial Intelligence

SETI Search for Extra Terrestrial Intelligence

SETI Search for Extra Terrestrial Intelligence. FYOS Lecture 8. History. Guglielmo Marconi (1874-1937) 1 st cross-Atlantic radio communication Nikola Tesla (1856-1943) inventor of AC current

By swann
(81 views)

PRESENTATION ON TELECOM SPECTRUM BY BATCH NO. 8

PRESENTATION ON TELECOM SPECTRUM BY BATCH NO. 8

PRESENTATION ON TELECOM SPECTRUM BY BATCH NO. 8. YEAR:2013. Defination of Telecom spectrum -What is spectrum in Telecom?.

By hien
(87 views)

More on Personal Identity

More on Personal Identity

More on Personal Identity. Daniel Dennett. Co-director of the Center for Cognitive Studies at Tufts. Professor of philosophy at Tufts. One of the “Four Horsemen of the Atheist Apocalypse.”. Dennett’s Dangerous Mission.

By chaman
(159 views)

200

200

Mystery. Trig. Inverse Trig. Laws Cos & Sin. Trig Word Problems. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. Find the values for x and y. Find the values for x and y.

By halen
(150 views)

Electrical Communications Systems ECE.09.331 Spring 2007

Electrical Communications Systems ECE.09.331 Spring 2007

Electrical Communications Systems ECE.09.331 Spring 2007. Lecture 3b January 31, 2007. Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/spring07/ecomms/. Plan. Sampling Recall: Nyquist Sampling Impulse Sampling Dimensionality Theorem

By yuki
(76 views)

Heterogeneous networks

Heterogeneous networks

Energy Efficient Interface Selection in Heterogeneous  wireless networking Preperd by Soran Hussein. Heterogeneous networks. In heterogeneous wireless networks, the mobile terminal is assumed to be in the overlapping zone of several networks.

By jafari
(175 views)

youtube/watch?v=OtaWkLFfevc

youtube/watch?v=OtaWkLFfevc

The Universe. http://www.youtube.com/watch?v=OtaWkLFfevc. Where are we?. Distances of the Universe. Metric System: 1000m = 1km Astronomical Unit (AU): Earth to sun = 1 AU (1.496 x 1011 m) ***Light Year***: Distance Light travels in ONE year! (9.46 x 10 12 km)

By linh
(134 views)

A.S . Popov (1859-1906)

A.S . Popov (1859-1906)

A.S . Popov (1859-1906). I am the Russian person and all the knowledge, all the work, all the achievements I have the right to give to only my Homeland.

By ceri
(241 views)

Fiber Optic Networks for Distributed, Heterogeneous

Fiber Optic Networks for Distributed, Heterogeneous

Fiber Optic Networks for Distributed, Heterogeneous Radio Architectures and Service Provisioning: The case of the FUTON programme. G. Heliotis , I. Chochliouros and G. Agapiou Hellenic Telecommunications Organization (OTE) S.A. Dept. Of Network Strategy and Architecture. Outline.

By penney
(155 views)

11.6 Circles in the Coordinate Plane

11.6 Circles in the Coordinate Plane

11.6 Circles in the Coordinate Plane. STANDARD (form) Equation of a Circle. With center located at “(h, k)” Radius “r” units long Is (x – h)^2 + (y – k)^2 = r^2. Practice!!!!!!!!!!!!!!!. Write the standard equation of a circle with center at (-8, 0) and Radius √5.

By maddox
(184 views)

Homework-2, Terminology: Path loss, Shadowing , Fading

Homework-2, Terminology: Path loss, Shadowing , Fading

Homework-2, Terminology: Path loss, Shadowing , Fading. by Ikhsan Putra Kurniawan. Wired vs Wireless. Path loss. Path loss (or path attenuation) is the reduction in power density (attenuation) of an electromagnetic wave as it propagates through space.

By geona
(146 views)

Impact of Radio Irregularity on Wireless Sensor Networks

Impact of Radio Irregularity on Wireless Sensor Networks

Impact of Radio Irregularity on Wireless Sensor Networks. Gang Zhou, Tian He, Sudha Krishnamurthy, John A. Stankovic Computer Science Department,University of Virginia June 2004. Outline. Motivation, State of Art and Contributions Analyze Radio Irregularity Radio Irregularity Model (RIM)

By lacey
(96 views)

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