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UNIT-IV WIRELESSCOMMUNICATIONS

UNIT-IV WIRELESSCOMMUNICATIONS. INTRODUCTION: With wireless communications systems, electromagnetic signals are emitted from an antenna, propagate through the earth’s atmosphere (air) or free space (a vacuum), and are then received by another antenna.

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Major Concepts in Physics Lecture 10.

Major Concepts in Physics Lecture 10. . Prof Simon Catterall Office 309 Physics, x 5978 smc@physics.syr.edu http://physics/courses/PHY102.08Spring. Plan for today. Light. Ray approximation Reflection and refraction. Snell’s law. Mirrors, plane, convex and concave

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