摘要
波动相关法是一种成熟有效的直扩信号检测方法,该文基于现场可编程门阵列,设计实现了一种基于该算法的直扩信号检测器,具有结构简单、输出信噪比高、处理速度快的优点。给出了算法原理、电路的整体结构和关键模块的详细设计方法。功能仿真验证了该系统检测性能的稳健性和FPGA实时实现的可能性。
Fluctuations of correlation estimators is a kind of successful technique of detecting direct sequence spread spectrum（DSSS） signal.The paper is based on FPGA technology,implemented a DSSS signal detector using the method of fluctuations of correlation estimators,with the advantage of simple structure,high output signal-to-noise ratio（SNR）.The paper also provides the detection algorithm,entirety structure of circuit,the design procedures of some key modules.The behavior simulation proved that the detection performance is steady and the real-time performance is good.
出处
《杭州电子科技大学学报（自然科学版）》
2012年第6期33-36,共4页
Journal of Hangzhou Dianzi University：Natural Sciences
关键词
直扩信号
波动相关
检测器
DSSS signal
fluctuations of correlation estimators
detector
