2 . the spectrum correcting technique is applied in one dimension distance sidelobe restraining successly and deal with well with this understanding of zero or low doppler frequency and without noise , mussy weaves 2 、在一维距离旁瓣抑制中成功地应用了谱修正技术，在无噪声、杂波干扰，零或低多普勒频率情况下，处理效果良好。
2.
4 . the signal data collected in expteriment are taken out in emulational research of system experiment . many methods such as adding window in frequency field , eliminating static object and so on restrain the width and sidelobe of static mussy weaves and detect out the target availably 4 、在系统实验仿真研究中调出实验采集信号数据，使用频域加窗不加窗、清除静态目标等方法很好地控制了静态杂波干扰的幅度及旁瓣，有效地检测出了目标。
3.
The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place . the system takes tv sound fm signal from tv satation signal . the power rate of tv station signal to sound signal is ten to one . in the case of submerged by mussy weave and machine ' s hot noise , dispersed target signal is feeble 系统采用电台的电视伴音调频信号，其中电台信号与伴音信号功率之比基本为10 ： 1 ，并且目标散射信号较弱，一般情况下淹没在杂波和机器热噪声之下，采用常规的脉冲检测方法很难对远距离的目标进行检测，而以电台直达信号作为参考与目标回波信号进行相关检测；系统中信号的相关处理会产生旁瓣，而强目标的旁瓣会影响附近的弱目标检测。
4.
The specific research methods are listed : 1 . matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal . then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves , many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking 具体研究方法如下： 1 、采用以输出信噪比最大为准则的最佳匹配滤波器来对分段的参考和目标信号作相关处理来检测低信噪比目标信号，然后对一维分段相关输出组作纵向傅立叶变换来滤除静态或低速的杂波、多径回波等干扰信号，并提取目标的时差和多普勒频率，再结合由天线获得的目标方向等参数，就可以实现目标的定位和跟踪。
