Compute axial room modes from room dimension and mode order: f = n·c / (2L).
输入房间尺寸与模式阶数 n,求轴向共振频率。
输入房间长、宽、高,列出简正频率最低的前 12 阶,并标注模态类型。公式 f=(c/2)·√[(nₓ/Lₓ)²+(n_y/L_y)²+(n_z/L_z)²],n 为各方向半波数(轴向仅 1 维非零、切向 2 维、斜向 3 维)。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Axial room modes | f = c / (2L) and integer multiples, axial standing waves along the room dimension | Rayleigh room-mode theory (wave-equation solution) |