Propagazione
Indice degli argomenti
-
1.Introduction
- Entities
- Mathematical equations
- Relationship with physics
2.Maxwell’s equations in differential form
- Maxwell’s equations
3.Boundary conditions
3.The wave equation
4.Time-harmonic regime
- Dynamic fields
- Comments
-
1.Uniqueness theorem
- EM problem
- Uniqueness theorem
- Classification of em problems
- Solution region
- Equation
- BCs
-
- Motivation
- SV method
- Helmholtz eq.
- Plane waves
- Plane waves
- Classification
- Uniform plane waves
- Evanescent plane waves
- Lossy medium
- Reflection and refraction
- Reflection an transmission coefficients
- Motivation
-
- Introduction
- Friis transmission equation
- Reflection
- Plane Earth reflection
- Surface scattering
- Diffraction
- Knife-edge
- Fresnel zones
-
- Introduction
- Examples
- Lossless media
- Lossy media
-
-
-
The scalar approximation
2 Ray path- Inhomogeneous media
- Scalar Helmholtz equation
- Local plane waves
- Eikonal equation
- HF approximation
- Ray paths
- Straight ray
- Curved ray
-
-
- Introduction
- Lumped-element model
- Lumped-element model
- Telegrapher equations
- Wave propagation
- Traveling waves
- Lossless
- Terminated T-line
- Special cases
- Lossy
- Terminated T-line
-
1. Introduction
The em problem
TE-TM decomposition
TEM field
Ideal conducting walls
Mode properties
Completeness
-
-
The Electromagnetic Lab of Dipartimento di ingegneria (level -2 South Side) is equipped with an anechoic chamber (size: 3m x 3m x 8m) and two reverberating chambers (size: 2m x 2m x 2m and 4m x 5m x 6m).
In addition, the EM laboratory is equipped with:
· 2 Network analysers;
· 2 Spectrum analysers;
· 1 Power amplifier;
· 2 Modulated signal generators;
· 1 Controller for generating/receiving GSM-UMTS signals;
· 2 Rotating tables;
· Microwave antennas, components and circuits;
· 2 EM field sensors.
· 8 high-performance workstations
· 2 data storage units
-
- Microwave ovens
- Historical notes
- Principle of operation
- Experimental measurements
- Measurements facilities
- Reverberating chamber
- Spectrum analyzer
- Power meter
- Vector Network Analyzer
- Measurements
- Measurements setup
- Spectrum analyzer
- Power meter
-
-
Linea 2
-
-
-
Linea 3
-
-
-
Linea 4
-
-
-
Linea 5
-
-
-
Linea 6
-
-
-
Linea 7
-
-
-
Linea 8
-
-
-
Adattamento Linea Trasmissione
-
-
-
Adattamento Doppio Stub Carta di Smith
-
-
-
Adattamento Triplo Stub
-
-
-
Carta di Smith 1
-
-
-
Carta di Smith 2
-
-