In the electronic reconnaissance area, the conventional detection method of the radar pulse signal is based on nonmatched envelope detection.

摘要在察领域中，传统的雷达脉冲信号检测是基于包络检波的非匹配检测。

A rigid and light mantle joins tightly between the geophone body and its tailcone, combining with the tailcone, to form a device called geophone seat.

摘要在检波尾锥与检波主体连接处紧密连接一个刚度大、质量轻的“尾罩”，该尾罩与尾锥共同构成检波尾座。

The magnetooptic self-nulled ellipsometer,with ac Farady magnetooptic modulating and phase locking to detect nulled point,has the high abilities of prevent interference and angular recognize.

磁光调制偏仪采用交流法拉第磁光调制及敏检波来检测消光点,具有抗干扰能力强,角分辨能力高等优点。