4 ms·
So for a simple case, do you want a large entrance to your cave or a small one?
by polishdude20 7mo ago
So for a simple case, do you want a large entrance to your cave or a small one?
- srean 7mo agoI think, small with abrupt expansion spaces. Sharper the change in impedance more the reflection. The worst would be a tapering wave guide, unless it used to intentionally guide away the energy. This completely ignores the effect of ground waves though.