Electromagnetic Wave

Antenna Engineering CHO, Yong Heui Electromagnetic Wave

1. Wave equation E and H wave equation  ,[object Object],[object Object],Proof: Faraday’s law + curl operator Sourceless system

Wave propagation  ,[object Object],[object Object],Cartesian coordinate system 1. Wave equation

Wave propagation  ,[object Object],[object Object],1. Wave equation

Wave velocity  ,[object Object],[object Object],[object Object],1. Wave equation

Why’s EM wave propagate?  ,[object Object],[object Object],1. Wave equation

Complex number: time  ,[object Object],[object Object],1. Wave equation

2. Plane wave EM power  ,[object Object],[object Object],[object Object],Approximation ( 근사 )

Wave impedance  ,[object Object],[object Object],2. Plane wave

Reflection and transmission  ,[object Object],[object Object],[object Object],2. Plane wave

Boundary conditions  ,[object Object],[object Object],[object Object],2. Plane wave

Transparency ( 투명 )  ,[object Object],[object Object],[object Object],[object Object],2. Plane wave

Lossy media  ,[object Object],[object Object],Stealth 2. Plane wave

Skin depth  ,[object Object],[object Object],[object Object],Water 2. Plane wave

Polarization: direction of E field 2. Plane wave  ,[object Object],[object Object],[object Object],Vertical LP Horizontal LP

Wave propagation  3. Tx Line Theory

Distributed element  ,[object Object], ,[object Object],3. Tx Line Theory

Transmission line equation   Tx line Tx line modeling 3. Tx Line Theory

Wave solution  ,[object Object],[object Object],[object Object],3. Tx Line Theory

Characteristic impedance  ,[object Object],3. Tx Line Theory

Reflection coefficient   ,[object Object],[object Object],3. Tx Line Theory

Comparison with circuit theory 3. Tx Line Theory

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