Table 1 Notation. MB, SW, and MB-SW are different models, and L/N indicates if model parameters or signals enter the model linearly (L) or nonlinearly (N).
Variable | MB | SW | MB-SW | Description |
|---|---|---|---|---|
| Number of microphones | |||
| Number of microphones receiving shock wave, | |||
| N | N | N | Position of shooter, |
| N | N | N | Position of microphone |
| L | L | L | Measured detection time for microphone at position |
| L | L | Rifle or gun firing time | |
| L | N | N | Speed of sound |
| N | N | Speed of bullet | |
| N | N | Shooting direction, | |
| L | L | Synchronization error for microphone | |
| L | L | L | Detection error at microphone |
| N | N | Bullet speed decay rate | |
| Point of origin for shock wave received by microphone | |||
| Mach angle, | |||
| Angle between line of sight to shooter and shooting angle |
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