For the faintest, fast-moving objects, recovery may be possible through multiple exposures and digital filtering, as is already necessary to cope with existing satellites and space debris.
对于最暗的、快速运行的物体，有可能通过多次暴露和数字滤波重新发现，就像对付现有的卫星和空间碎片也必须采取这些技术一样。