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電磁學線上學習平台
ENG
互動式電磁動畫學習平台
I. Vectors
Addition and Substraction of Vector
Dot Product and Cross Product
Cylindrical Coordinate System
Spherical Coordinate System
Volume Element of Various Coordinate Systems
Relation between Coordinate Systems
Gradient of a Scalar Field
Divergence of a Vector Field
Curl of a Vector Field
II. Maxwell equation
Transformer (Faraday’s induction law) and Displacement current
III. Plane waves
Time varying uniform plane waves
Brewster Angle and Critical Angle
Incidence of Plane Wave (TE)
Incidence of Plane Wave (TM)
Wavenumber Vector of Plane Wave
Phase Velocity and Group Velocity
IV. Time Domain Transmission Line
Bouncing Signal in T. Line w/ DC Source
Bouncing Signal in T. Line w/ Impulse Source
Bouncing Signals in 3 Sec. T.-Line w/ Pulse Source
Bouncing Signal in a T.-Line System w Shunt/Series Discontinuity
TDR Simulator
Bouncing Energy in the Lossless Line
Bouncing signals on a lossy line with initial condition
Time Domain Analysis of a T. Line Terminated with a Reactive Load
Crosstalk between Transmission Lines
V. Transmission Lines
Wave Propagation on a Transmission Line(lossless case)
Standing Wave Pattern(lossless case)
Input Impedance
Generator and Load Mismatches
Reflection Coefficient
Wave Propagation on a Transmission Line (lossy case)
Standing Wave Pattern (lossy case)
VI. Smith Chart
Smith Chart
Smith Chart and Transmission Lines
Smith Chart and Transmission Line (lossy case)
Quarter-wavelength Transformer
Single-Stub Impedance Matching
Double-Stub Impedance Matching (八分之一波長)
Double-Stub Impedance Matching (十六分之一波長)
Impedance Matching by Lumped elements
Impedance Matching by Lumped Elements (T or π Model)
VII. Waveguides
Rectangular Waveguides (TE Mode)
Rectangular Waveguides (TM Mode)
Rectangular Waveguides (Animation)
Rectangular Cavity Resonator (Animation)
VIII. Antennas
Polarization of EM Wave
Linear Polarization
Circular Polarization
Elliptical Polarization
Array of N Isotropic Point Sources
3D Radiation Pattern of A highly directive Antenna
Field Distribution of Electrically Short Dipole
Field Distribution of Dipole
IX. M Wave Simulation(The EM simulator, EMPro, is kindly supported by Keysight Technologies)
Dipole
Magic Tee
Rectangular Metallic Waveguide
Introduction
TE10 Mode
TE20 Mode
TE01 Mode
TE11 and TM11 Modes
Q_A_Acknowldgment
X. Microwave Transistor Amplifier Design
S Parameters of the Transistor
Stability Circles
Maximum Stable Gain (MSG)/Maximum Available Gain (MAG) and K Factor
Input/Output Matching Network Design
Microwave Transistor Amplifier Design