1 Introduction
2 Problem description and method
2.1 Problem description
2.2 RF signal generation and base-band signal recover
2.3 Simulation scheme
3 Implementation and results
3.1 Modeling of antennas and environment
Model name
|
ε
r
|
μ
r
|
σ (S/m)
|
---|---|---|---|
Locomotive body | 1.0 | 1.0 | 2.494 × 107
|
Vehicle windows | 5.5 | 1.0 | 0.0 |
Power supply wire | 1.0 | 1.0 | 2.494 × 107
|
Steel rails | 1.0 | 1.0 | 1.1 × 106
|
Earth plane | 14.0 | 1.0 | 0.01 |
3.2 Impact of environment on transmission signal
3.3 Impact of EMI on base-band digital signal
Parameters
|
Values
|
---|---|
\( {U}_0^p \)
| 2.962 × 104 V |
\( {t}_0^p \)
| 4.5 ns |
\( {f}_0^p \)
| 500 MHz |
\( {\tau}_0^p \)
| 4.0 ns |