According to the characteristic of satellite communication and DSSS communication, the detection methods based on cyclic auto-correlation characteristic, and fourth-order cumulant characteristic are put forward.
在研究噪声背景下直扩信号检测方法的基础上,根据卫星业务信号和盗用扩频信号特点,提出了基于循环自相关特征的盗用扩频信号检测方法和基于四阶累积量的盗用扩频信号检测方法。
参考来源 - 卫星通信中盗用信号检测研究·2,447,543篇论文数据,部分数据来源于NoteExpress
The efficiency is enhanced through searching the max of cyclic auto-correlation matrix in this method.
通过搜索矩阵最大相关值,可以显著提高检测效率。
In the former method, we need weaken the energy of satellite signal firstly, and then detect the cyclic auto-correlation characteristic.
前一种方法的思路是先削弱卫星业务信号能量然后检测其循环自相特征。
From all this auto correlation and spectrums, we can observe some properties of the sampling of the cyclic stationary signals, which may be obviously different from those of...
从这些自相关和谱当中,可以观察到周期平稳信号抽样的特殊性,这与平稳信号的抽样明显不同。
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