摘要
以数字电视信号为机会照射源的雷达系统研究为背景 ,提出用以多抽样率信号处理为基础的多级抽取信号处理算法解决运动目标检测中海量数据处理问题。叙述了数字电视广播信号回波的数学模型、多级抽取基本原理和目标检测算法。以数字电视信号为反射回波作了仿真 ,对运动目标进行检测 。
On the background of research about incoorperative radar system based on digital television broadcasting, a new method is proposed in this paper to resolve the question of enormous data processing in moving target detection, which is based on multirate signal processing. A mathematical model of DTV broadcasting signal has been set up before reviewing theories of multistage decimation and stating the algorithm of moving target detection. At last an analysis on results of simulation is available, which shows the efficiency of the algorithm in reducing data scale and increasing SNR.
出处
《系统工程与电子技术》
EI
CSCD
北大核心
2003年第7期796-799,共4页
Systems Engineering and Electronics
基金
国家自然科学基金重点项目 ( 60 2 3 2 0 10 )
国家"高校青年教师奖"资助课题
关键词
多抽样率
下采样
数字广播电视信号
Multirate
Decimation
Digital television broadcasting signal
