EEE445_Lectr11_group_v

EEE445_Lectr11_group_v - 3.10 Wave Velocities and...

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Lecture 11 3.10 Wave Velocities and Dispersion 3.11 Summary: Power Handling Capacity of Waveguides To learn about the differences between various wave ‘velocities’ and about dispersion. To learn about the power handling capability of transmission lines and waveguides. EEE 591/445 1 Lecture 11
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Lecture 11 More precisely stated: “The velocity of propagation of an electromagnetic plane wave traveling in a vacuum.” More precisely stated: “The velocity of propagation of an electromagnetic plane wave traveling in a medium with index of refraction n .” c = 2.997925 × 10 8 m/s , p r r c v n n ε μ = = EEE 591/445 2 Lecture 11
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Lecture 11 Phase Velocity For TEM waves in a lossless medium: For non-TEM waves in a lossless medium: β ϖ = p v 0 0 r r p k n c c v n ϖ με ϖ με με = = = = ⇒ = ( 29 2 2 2 2 2 1 2 2 1 1 c c c c p f k k n c f f c v n f - = - = - = - = - EEE 591/445 3 Lecture 11
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This note was uploaded on 12/14/2010 for the course EEE 445 taught by Professor Georgepan during the Fall '10 term at ASU.

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EEE445_Lectr11_group_v - 3.10 Wave Velocities and...

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