公开(公告)号：KR101239165B1

公开(公告)日：2013-03-05

申请号：KR1020120023270

申请日：2012-03-07

Applicant: 국방과학연구소

Inventor： 임종환 ,  김흥수 ,  양훈기 ,  김두수 ,  이희영 ,  김선주

IPC: G01S13/44

Abstract: PURPOSE: A target direction estimation method and an apparatus of a mono-pulse radar are provided to increase accuracy of target tracking by continuously controlling the beam steering direction by accurately estimating an error between the current beam steering direction and the real target direction. CONSTITUTION: A target direction estimation apparatus includes a first estimated value calculation unit(400), a second estimated value calculation unit(402) and a beam steering direction correction unit(404). The first estimated value calculation unit calculates a first estimated value about the target direction using an MRC according to signal vector, weighed vector of an arrayed antenna and ML(Maximum Likelihood) technique received from an arrayed antenna after transmitting a mono-pulse. The second estimated value calculation unit calculates the final estimated value about the target direction using the inverse function of a function determining the first estimated value and the MRC. A beam steering direction correction unit(406) corrects the beam steering direction using the final estimated value. [Reference numerals] (400) First estimated value calculation unit; (402) Second estimated value calculation unit; (404) Beam steering direction correction unit

Abstract translation: 目的：提供目标方向估计方法和单脉冲雷达的装置，以通过精确估计当前波束转向方向和实际目标方向之间的误差来连续控制波束转向方向，以提高目标跟踪的精度。 构成：目标方向估计装置包括第一估计值计算单元（400），第二估计值计算单元（402）和波束控制方向校正单元（404）。 第一估计值计算单元使用根据信号矢量，排列天线的加权向量和发送单脉冲之后从阵列天线接收的ML（最大似然））的MRC来计算关于目标方向的第一估计值。 第二估计值计算单元使用确定第一估计值和MRC的函数的反函数来计算关于目标方向的最终估计值。 光束转向方向校正单元（406）使用最终估计值校正光束转向方向。 （附图标记）（400）第一估计值计算单元; （402）第二估计值计算单元; （404）光束转向方向校正单元