pulse rise time是什么意思

用法例句

It′s pulse rise time was practicality measured as about 90 ps,and has made breakthrough progress in PMT′s time response characteristic.

采用金属-陶瓷管壳和小孔径微通道板倍增,结合双近贴聚焦的结构和小尺寸的有效面积,研制成功了具有超快时间响应的微通道板光电倍增管,其脉冲上升时间的实际测量值达到了90 ps左右,使光电倍增管的时间特性有了很大的提高。