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公开(公告)号：KR101432540B1
公开(公告)日：2014-08-25
申请号：KR1020140033552
申请日：2014-03-21
Applicant: 국방과학연구소
Inventor： 송준호
IPC: G01S13/78
Abstract: The present invention relates to an apparatus for classifying a target detected by radar and a method of operating the same, in which a Demster-Shafer algorithm is used to classify the target. The apparatus includes a target detection unit to detect a target and measure a characteristic of the target based on a predetermined classification criteria; a credibility calculation unit to generate a set of hypothesis corresponding to the predetermined target classification items based on a Demster-Shafer algorithm, to generate an interesting elements corresponding to a sub set of the hypothesis set and calculating a credibility for each individual interesting element from the measured characteristics of the target; a normalizing unit to normalize the credibility calculated for each individual interesting element into a form for calculating probabilities; and a control unit to calculate a probability for the classification items by using the normalized credibility for each interesting element, and classifying the target to any one of the classification items based on the calculated probability.
Abstract translation: 本发明涉及一种用于对由雷达检测到的目标进行分类的装置及其操作方法，其中使用Demster-Shafer算法对目标进行分类。 该装置包括：目标检测单元，用于基于预定的分类标准来检测目标并测量目标的特性; 可信度计算单元，用于基于Demster-Shafer算法生成与所述预定目标分类项目相对应的一组假设，以生成与所述假设集合的子集相对应的感兴趣的元素，并且从所述假设组的子集合中计算每个个别感兴趣元素的可信度 测量目标特征; 归一化单元，将对于每个个别感兴趣元素计算的可信度归一化为用于计算概率的形式; 以及控制单元，通过使用每个感兴趣元素的归一化可信度来计算分类项目的概率，并且基于所计算的概率将目标分类为任何一个分类项目。
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公开(公告)号：KR101386636B1
公开(公告)日：2014-04-18
申请号：KR1020120148677
申请日：2012-12-18
Applicant: 국방과학연구소
Abstract: The present specification relates to an apparatus of avoiding jamming frequency and a method thereof while not wasting radar resources as allocation of an additional receive beam is not necessary and detecting the position of a jammer accurately by updating a jammer map per all investigation beam and tracing beam in real time. The apparatus of avoiding the jamming frequency of a radar system according to the disclosed embodiment of the present specification can include: a jamming frequency detection unit for detecting the frequency jammed within the frequency band which is operational in the radar system; and a control unit for selecting arbitrary frequency within the frequency band except the frequency which is jammed and detected in the operational frequency band as jamming avoiding frequency.
Abstract translation: 本说明书涉及一种避免干扰频率的装置及其方法，同时不浪费雷达资源，因为附加接收波束的分配不是必需的，并且通过更新每个调查波束和跟踪波束的干扰图来精确地检测干扰的位置 实时。 根据本说明书的公开实施例的避免雷达系统的干扰频率的装置可以包括：干扰频率检测单元，用于检测在雷达系统中可操作的频带内的频率; 以及控制单元，用于选择除了在操作频带中被卡住和检测的频率之外的频带内的任意频率作为干扰避免频率。
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Patent Agency Ranking
公开(公告)号：KR101426290B1
公开(公告)日：2014-08-05
申请号：KR1020140034183
申请日：2014-03-24
Applicant: 국방과학연구소
IPC: G01S13/66
Abstract: The present invention relates to a radar system for tracking a target using radar. A method for tracking a target using radar according to an embodiment of the present invention comprises the steps of acquiring attribute information related to the movement of the target via the radar; calculating a distribution function of respective properties by using the acquired attribute information; comparing the function to be compared corresponding to each attribute with the distribution function calculated for each attribute and determining whether the target is a target to be tracked or not based on a result of the comparison; and tracking the target when the target is the target to be tracked.
Abstract translation: 雷达系统技术领域本发明涉及一种使用雷达跟踪目标的雷达系统。 根据本发明实施例的使用雷达跟踪目标的方法包括以下步骤：通过雷达获取与目标的移动有关的属性信息; 通过使用所获取的属性信息来计算各属性的分布函数; 将与每个属性对应的要比较的功能与为每个属性计算的分布函数进行比较，并基于比较结果确定目标是否是要跟踪的目标; 并且当目标是要跟踪的目标时跟踪目标。
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公开(公告)号：KR101351282B1
公开(公告)日：2014-01-15
申请号：KR1020120132769
申请日：2012-11-22
Applicant: 국방과학연구소
Abstract: The present invention relates to a method for improving unobserved area of a clutter map-based radar system, and the method for improving the unobserved area of the radar system includes the steps of: (a) forming a clutter map by a process of setting a lowest altitude capable of beam transmission and a process of setting a waveform in a transmittable beam grid and setting an unobserved area; (b) updating the clutter map during regular searching. Thus, the present invention can improve low altitude detection performance without increasing frame time by reducing the unobserved area due to a clutter signal of an antenna side lobe. [Reference numerals] (AA) Altitude; (BB) Distance; (CC) Unobserved area; (DD) LFM waveform setting area; (EE) PT waveform setting area; (FF) Beam transmission prohibition area; (GG) Azimuth
Abstract translation: 本发明涉及一种用于改进基于杂波地图的雷达系统的不可观察区域的方法，以及用于改善雷达系统的未观测区域的方法，包括以下步骤：（a）通过设置一个 能够进行光束传输的最低高度，以及设置可发射光束网格中的波形并设置不可观察区域的过程; （b）在常规搜索期间更新杂波图。 因此，本发明可以通过减少由于天线旁瓣的杂波信号引起的不可观察区域而增加帧时间来改善低空检测性能。 （附图标记）（AA）海拔高度; （BB）距离; （CC）不可观察面积; （DD）LFM波形设置区域; （EE）PT波形设定区域; （FF）射束禁止区; （GG）方位角
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公开(公告)号：KR1020090056074A
公开(公告)日：2009-06-03
申请号：KR1020070123056
申请日：2007-11-29
Applicant: 국방과학연구소
IPC: H01Q23/00
Abstract: An equivalent port circuit and a method for designing and measuring a broadband active dipole antenna using an equivalent impedance circuit are provided to measure a gain and a noise factor of the broadband active dipole antenna without a specific facility like an anechoic chamber. An active dipole antenna measuring device includes an active antenna(100) and a measuring device(200). An active antenna includes an equivalent circuit(110) and an active circuit(120). An equivalent circuit has the antenna and the equivalent impedance. The equivalent circuit has a narrow band characteristic. The measuring device measures the characteristic of the active antenna. The measuring device includes a noise signal generator(210) and a noise factor analyzer(220). The noise signal generator measures the gain of the active antenna and the noise factor. The noise factor analyzer is connected to the active antenna.
Abstract translation: 提供等效端口电路和使用等效阻抗电路来设计和测量宽带有源偶极天线的方法，用于测量宽带有源偶极天线的增益和噪声系数，而无需像电波暗室那样的特定设备。 主动偶极天线测量装置包括有源天线（100）和测量装置（200）。 有源天线包括等效电路（110）和有源电路（120）。 等效电路具有天线和等效阻抗。 等效电路具有窄带特性。 测量装置测量有源天线的特性。 测量装置包括噪声信号发生器（210）和噪声因子分析器（220）。 噪声信号发生器测量有源天线的增益和噪声系数。 噪声因子分析仪连接到有源天线。
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公开(公告)号：KR102062899B1
公开(公告)日：2020-01-06
申请号：KR1020180015799
申请日：2018-02-08
Applicant: 국방과학연구소
IPC: G01S7/292 , G01S13/524
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公开(公告)号：KR101509121B1
公开(公告)日：2015-04-07
申请号：KR1020140123435
申请日：2014-09-17
Applicant: 국방과학연구소
IPC: G01S7/36
Abstract: 본발명은레이더시스템기술에관한것으로서, 더상세하게는레이더시스템에서부엽제거또는적응빔형성기술을지능적으로제어하는방법및 장치에대한것이다. 본발명에따르면, 원거리전파방해기가능동잡음재머로인식되어각도추적이잘 이루어지며, 그주변일반표적이재머에영향을받지않고추적이가능하다.
Abstract translation: 雷达系统技术领域本发明涉及一种雷达系统，更具体地说，涉及用于智能地控制雷达系统中的旁瓣消除和自适应波束形成的方法和装置。 根据本发明，角度跟踪被良好地执行，因为将待机干扰机识别为有源噪声干扰器，并且可以通过不受干扰器影响附近的相邻通用目标。 用于智能地控制雷达系统中的旁瓣消除和自适应波束形成的方法包括：检查要辐射的当前波束是否是有源噪声干扰（ANJ）跟踪波束的步骤; 如果要辐射的当前波束不是跟踪波束，则计算一组第一ANJ的位置的步骤; 选择存在于第一ANJ组中的天线旁瓣上的ANJ并将所选择的ANJ存储到一组第二ANJ的步骤; 计算第二ANJ组的干扰比的步骤; 检查其中干扰信噪比超过预定阈值的第二ANJ组中的ANJ是否存在的步骤; 作为检查的结果，存在干扰信号比超过预定阈值的ANJ的开启旁瓣取消功能和波束形成功能的步骤; 作为检查的结果，如果不具有干扰信号比超过预定阈值的ANJ，则不关闭旁瓣消除功能和波束形成功能的步骤。
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