electronic deception

1. Digital RF memory is a key component of the electronic jammer. It samples and saves the signal which is from down frequency conversion of radar signal, then postpones and sends it out, thus the deception and interference in distance are realized.
   数字射频存储器（DRFM）是电子对抗中的一个关键部件，它将雷达信号下变频后的信号进行采样保存，再延时转发出去，从而实现距离上的欺骗干扰。

noun

1. the deliberate use of electromagnetic energy in a manner intended to convey misleading information