Good contrary, environmental background radiation on almost two pyroelectric devices have the same role to produce a pyroelectric effect of offset each other, so no detector signal output.

 
  • 好相反,环境背景辐射对两个热释元件几乎具有相同的作用,使其产生释电效应相互抵消,于是探测器无信号输出。
今日热词
目录 附录 查词历史