%0 Journal Article
%T Two Approaches of Detecting Weak Moving Target with Constant Acceleration in Sea Clutter<br>两种海杂波背景下的微弱匀加速运动目标检测方法
%A Guan Jian
%A Li Bao
%A Liu Jia-neng
%A Zhang Jian
%A <br>关键
%A 李宝
%A 刘加能
%A 张建
%J 电子与信息学报
%D 2009
%I 
%X In this paper, the characteristic of FRFT modules about LFM signal and monochromatic signal is researched. Based on this characteristic, two new methods based on difference of FRFT modules for moving target detection are proposed. One is based on difference of FRFT modules of echo signal and its time-lapse signal. The other is based on difference of FRFT modules with two symmetry inverse rotation angles of echo signal, and one of the FRFT modules has been overturned. In these methods, sea clutter is suppressed effectively. SCR can be improved to some extent, and the detection performance is good in low SCR. Finally, simulation results show the effectivity of proposed methods.
%K Moving target detection
%K FRactional Fourier Transform(FRFT)
%K LFM signal
%K Monochromatic signal<br>动目标检测
%K 分数阶Fourier变换(FRFT)
%K LFM信号
%K 单频信号
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=B43F5BA575E74D163687530D9128C21F&yid=DE12191FBD62783C&vid=4AD960B5AD2D111A&iid=5D311CA918CA9A03&sid=A75E3615CCFA3AD1&eid=25BD9D96DA3633C5&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=15