The document covers fundamental concepts in antenna engineering and electromagnetics, focusing on Maxwell's equations and their applications. It explains key laws such as Gauss's, Faraday's, Biot-Savart's, and Ampere's laws, alongside vector operations and electric and magnetic field properties. Additionally, it addresses principles of divergence and curl, boundary conditions, and includes mathematical theorems relevant to the field.

1. Antenna Engineering CHO, Yong Heui Electromagnetics

2. 1. Maxwell’s equations Basic equations ( 기본방정식 )  : Gauss( 가우스 )’s law : Faraday( 패러데이 )’s law : Biot-Savart( 비오 - 사바르 )’s law : Ampere( 앙뻬르 )’s law

3. 1. Maxwell’s equations Explanations

4. 2. Explanations Vector ( 벡터 )  Vector: magnitude + direction Coordinate ( 좌표계 ): Scalar: magnitude Real number ( 실수 ) Temperature Velocity

5. Electric field ( 전기장 ) 2. Explanations  : electric field [V/m] Force: : electric flux ( 전속 ) density [C/m 2 ] : electric potential [V] (static) , gradient ( 경사 ) Energy: : permittivity ( 유전율 ) [F/m] Electricity

6. Magnetic field ( 자기장 )  : magnetic field intensity [A/m] : magnetic flux ( 자속 ) density [Wb/m 2 ] Force: : vector potential [Wb/m] , curl ( 회전 ) Energy : permeability ( 투자율 ) [H/m] Magnet 2. Explanations

7. Product ( 곱 )  Dot product, inner product Cross product, outer product Right screw Projection 2. Explanations

8. Gradient ( 경사 , 구배 )  Nabla (del), (static field) Peak detector Map 2. Explanations

9. Divergence ( 발산 )  Source detector, hole detector 2. Explanations Tap

10. Divergence ( 발산 ) Electric field Magnetic field 2. Explanations

11. Principle of divergence 2. Explanations

12. Curl ( 회전 )  Rotation detector 2. Explanations

13. Principle of curl 2. Explanations

14. Boundary conditions ( 경계조건 )  : continuity of normal D : continuity of tangential E : continuity of normal B : continuity of tangential H Sourceless system 2. Explanations 

15. Continuity of E fields  : continuity of normal D : continuity of tangential E Gauss’ divergence theorem Stokes’ theorem 2. Explanations

16. Continuity of H fields  : continuity of normal B : continuity of tangential H Biot-Savart’s law Ampere’s law 2. Explanations