| 摘要 |
An optically gated antenna detector includs a metallic track (10A, 10B) and a first switch (14) providing a break in the track. The first switch (14) is operable upon incidence of an energy pulse to provide a conducting link across the track. The detector further includes a second switch (20) located behind the first switch (14) such that the energy pulse incident on the first switch (14) will later be incident on the second switch (20), and wherein the second switch (20) is arranged to short the first switch (14) upon incidence of the energy pulse. |
