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

摘要在电子侦察领域中，传统的雷达脉冲信号是基于包络的非匹。

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.

磁光调制锁相椭偏仪采用流法拉第磁光调制及相敏消光点,具有抗干扰能力强,角分辨能力高等优点。

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.

摘要在器尾锥与器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器尾座。