The spreading signal is a pseudo-noise code sequence that has a chip rate which is orders of magnitudes grater than the data rate of the message.
扩频信号是一个伪随机代码序列，此码片速率比消息数据速率高若干数量级。
2
A new receiver structure was proposed for adaptive smart antennas in CDMA mobile communication systems, requiring only the knowledge of the desired user's pseudonoise (PN) code sequence.
利用码分多址(CDMA)系统中的用户伪随机(PN)码信息，提出了一种新的自适应智能天线结构。
3
A method for hiding ciphertext in the noisy stream is presented, with the ciphertext embedded in a noise stream by a pseudosequence which is controlled by the noisy stream.