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中文摘要：
介绍了m序列的本原多项式、产生方法及m序列在通信中的应用。m序列的自相关性较好，具有伪随机性，容易产生和复制。主要应用于通信领域中的扩频和加密。频谱的展宽是通过将待传送的信息数据被高速率的伪随机序列（也称扩频序列）调制来实现的，在接收端采用相同的扩频码进行解扩。加密则是利用m序列使信号在携带原始信息的同时具有伪噪声的特点，以达到在信号传输的过程中隐藏信息的目的。
英文摘要：
The primitive polynomial, the generation way of m sequence and its application in communication are introduced. The self - correlative property of m sequence is good,it has pseudo random property and it is easy to be generated and copide. It mainly be applied to spread spectrum and encryptioru The spread spectrum widening through the modulation that the waitting trans- mission message by the high speed pseudo- random sequence （spread spectrum sequence） to achieve. At the receiver, using the same spread spectrum codes to finish the despreader. The encryption maks use of m sequence to carry the primary information which has the pseudonoise characteristic,achieveing the goal that hides the information in the signaling process.
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