在加密系统中,伪噪声序列(即PN序列)得到了广泛的应用,最常用的PN序列是最大长度线性码序列,又称为m序列,是由线性反馈移位器产生的,其特点是具有周期性和伪随机性。-In the encryption system, the pseudo-noise sequence (ie, PN sequence) is widely used, the most common PN sequence is the maximum length linear sequences, also known as