Table 1 Key parameters in the simulation.
From: Vortex-electromagnetic-wave-based ISAR imaging for high-speed maneuvering targets
Parameters | Values | Unit |
|---|---|---|
Central frequency \(f_c\) | 9 | GHz |
Pulse width \(T_P\) | 80 | \(\upmu \mathrm{{s}}\) |
Bandwidth B | 4 | GHz |
Pulse repetition frequency | 1000 | Hz |
Signal to noise ratio (SNR) | − 5 | dB |
Scene height \(R_0\) | 8 | Km |
Flight speed v | 2339 | m/s |
Inclination \(\beta \) | 150 | \(^{\circ }\) |
OAM mode \(l_{max}\) | 50 | – |
Relative coordinates of \(P_1 \) | (0, \(-\sqrt{1.8 } / 2\), 1) | m |
Relative coordinates of \(P_2 \) | (0, 0, 1.15) | m |
Relative coordinates of \(P_3 \) | (0, \(\sqrt{1.8 } / 2\), 1.3) | m |
Relative coordinates of \(P_4 \) | (0, 0.5, 0.85) | m |
Relative coordinates of \(P_5 \) | (0, − 0.5, 0.7) | m |
