一种慢跳DS/FH信号的检测方法研究

Research of Hybrid DS/FH Signal Detection Technology

提出了一种慢跳DS/FH信号方法,根据DS/FH信号的特性,将信号的跳频特性与直扩特性分开进行检测。首先利用成熟的跳频检测方法,在时频域或频域上对信号进行跳频检测,当检测到跳频信号后,再在时域上采用空间互相关方法检测信号是否具有直扩特性,从而判断DS/FH信号的存在性。计算机仿真结果表明该方法具有一定的可行性。

A method for the detection of hybrid DS/FH signal was provided,which FH chip are slower than the DS chip rates. The process of detection is divided into two steps, the check the signal whether have the character of FH with spatial cross correlation to make sure that the signal has spec the ial method of detecting FH first st signals rates ep is , then character of DS. So this kind of hybrid FH signal is detected. At the end, the MATLAB simulation has been done,the result indicates that way may be feasible.