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公开(公告)号：KR101381254B1
公开(公告)日：2014-04-04
申请号：KR1020130046674
申请日：2013-04-26
Applicant: 국방과학연구소
Abstract: The present invention relates to a locating method using an AOA/TDOA combination and a locating apparatus using the same. The locating method comprises (a) setting a location range of a target using an AOA (Angle of Arrival) of each receiver; (b) randomly selecting N locations within the set location range of the target; (c) computing a delay time due to a distance between the receivers at each of the N selected locations and extracting N TDOA (Time Difference of Arrival) pairs at a reference receiver using the computed delay time; (d) comparing the N TDOA pairs with K candidate TDOA pairs to measure error values; (e) selecting M minimum error values from the measure error values and choosing M TDOA pairs having the selected minimum error values; and (f) selecting a location corresponding to the M selected TDOA pairs when repeating steps (b) through (e) reaches a predetermined number of times. According to the present invention, AOA (Angle of Arrival) information is used to minimize pulse ambiguity that may be caused upon using TDOA schemes, thus enhancing locating accuracy. [Reference numerals] (AA) Start; (BB) YES; (CC) NO; (DD) End; (S100) Set target location range using AOA of each receiver; (S200) Select N random locations; (S300) Extract TDOA pair at N random locations; (S400) Compare N TDOA pairs with K candidate TDOA pairs and select M ones; (S500) Select M ones over TDOA having smaller error value; (S600) Repetition count=L; (S700) Reset range from location corresponding to M TDOA pairs; (S800) Select location with respect to TDOA pair having minimum error value
Abstract translation: 本发明涉及使用AOA / TDOA组合的定位方法和使用它的定位装置。 定位方法包括：（a）使用每个接收机的AOA（到达角度）来设置目标的位置范围; （b）在目标的设定位置范围内随机选择N个位置; （c）计算由于N个选择位置中的每一个处的接收机之间的距离引起的延迟时间，并且使用所计算的延迟时间提取参考接收机处的NTDOA（到达时差）对; （d）将N个TDOA对与K个候选TDOA对比较以测量误差值; （e）从所述测量误差值中选择M个最小误差值并选择具有所选择的最小误差值的M个TDOA对; 和（f）当重复步骤（b）至（e）时，选择对应于M个选择的TDOA对的位置达到预定次数。 根据本发明，使用AOA（到达角度）信息来最小化在使用TDOA方案时可能引起的脉冲模糊度，从而增强定位精度。 （附图标记）（AA）开始; （BB）YES; （CC）NO; （DD）结束; （S100）使用每个接收机的AOA设置目标位置范围; （S200）选择N个随机位置; （S300）在N个随机位置提取TDOA对; （S400）比较N个TDOA对与K个候选TDOA对，并选择M个; （S500）通过具有较小误差值的TDOA选择M个; （S600）重复计数= L; （S700）从对应于M TDOA对的位置复位范围; （S800）选择相对于具有最小误差值的TDOA对的位置
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公开(公告)号：KR101917022B1
公开(公告)日：2018-11-08
申请号：KR1020170024528
申请日：2017-02-24
Applicant: 국방과학연구소
Abstract: 본발명의고정밀 FDOA 추정시스템의위상변이를이용한고정밀 FDOA 추정방법은신호원(3)의방사된펄스열(4)에대해신호샘플링과수집및 검출이이루어지는이격된다수의수신기(1)에의한신호수집단계, 신호샘플링후 수집및 검출된펄스신호에대한순시위상측정시간오차의영향을제거한순시위상측정이이루어지는수신기(1)의고정밀위상측정단계, 순시위상측정의결과에서다수의수신기(1)간 FDOA를계산하는중앙처리기(2)의 FDOA 측정단계로구현됨으로써다수로구성된각 수신기(1)에대한측정오차최소화가이루어지는특징을구현할수 있다.
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公开(公告)号：KR1020180093696A
公开(公告)日：2018-08-22
申请号：KR1020170020147
申请日：2017-02-14
Applicant: 국방과학연구소
IPC: H04L27/26
CPC classification number: H04L27/2659 , G01R23/16 , H03G5/025 , H04B10/6164 , H04L27/266 , H04L2027/0024 , H04L2027/0067
Abstract: 본발명은단일수신기의주파수추정장치및 그방법에관한것으로, 본발명의일실시예에따른단일수신기의주파수추정장치는, 각단일펄스에대한주파수추정값의평균을계산하여코어스주파수를추정하기위한코어스주파수추정부; 상기코어스주파수를기준으로수신신호를직류도메인으로변환시키는직류도메인변환부; 상기코어스주파수의직류도메인상에서펄스열에대해회귀분석을적용하여정밀주파수를추정하기위한정밀주파수추정부; 및상기코어스주파수의오차를상기정밀주파수로보상하여고정밀주파수를추정하기위한고정밀주파수추정부;를포함한다.
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公开(公告)号：KR101881868B1
公开(公告)日：2018-07-25
申请号：KR1020160090096
申请日：2016-07-15
Applicant: 국방과학연구소
IPC: G01S5/02
Abstract: 본발명은펄스신호수집정보의확률적선택에의한위치탐지방법에관한것으로, (a) 이격배치된복수의수신기로부터, 상기각각의수신기에대한위치정보를수신한후 저장하는단계; (b) 위치추정할목표대상으로부터방출되는신호를수집하기위한신호수집환경값을설정하는단계; (c) 상기각각의수신기에의해, 상기설정한신호수집환경값에따라수집된펄스신호로부터측정되는수집정보를수신하는단계; (d) 상기수집정보에대하여동일펄스매칭을통한정렬을수행하는단계; (e) 상기정렬된수집정보의확률적분석에근거하여, 기설정된정도이상의신뢰성을가지는수집정보를선택하는단계; 및 (f) 상기선택한수집정보에근거하여, 상기목표대상의위치를추정하는단계;를포함한다.
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公开(公告)号：KR1020180009253A
公开(公告)日：2018-01-26
申请号：KR1020160090963
申请日：2016-07-18
Applicant: 국방과학연구소
IPC: H04B17/00 , H04B17/391 , H04L12/26
CPC classification number: H04B17/0085 , H04B17/0087 , H04B17/3912 , H04L43/50
Abstract: 본발명에따른시나리오기반의 RF 위협신호발생장치는, 위협제원을모의하도록구성되는위협모의부; 수신기제원을모의하도록구성되는수신기모의부; 상기 RF 위협신호발생장치주변의신호환경을모의하도록구성되는신호환경모의부; 상기모의된위협제원, 수신기제원및 신호환경을이용해서장비운용시나리오를생성하도록구성되는시나리오모의부; 시나리오기반하여디지털데이터신호를생성하는모의신호생성부; 및상기디지털데이터신호를 RF발생기용데이터신호로변환하고 RF신호발생기에전송하는 RF신호발생기연동부를포함하는디지털신호발생기; 및상기 RF신호발생연동부로부터 RF 신호발생용데이터와제어신호를입력받으며, RF 신호발생명령수신시 RF 신호를발생시키는 RF신호발생부; 및데이터장입명령을수신시 상기 RF신호발생기연동부에서 RF 발생용데이터로변환된데이터를내장메모리에저장하는데이터저장부를포함하는 RF신호발생기를포함하고, 시스템의성능을다양한위협조건및 환경모의를통해체계적이고효과적으로수행할수 있다.
Abstract translation: 根据本发明的基于情景的RF威胁信号发生器包括：威胁模拟单元，被配置为模拟威胁指定; 配置成模拟接收机规格的接收机模拟器; 信号环境模拟器，被配置为模拟RF威胁信号发生器周围的信号环境; 场景模拟器，被配置为使用模拟的威胁规范，接收器规范和信号环境来生成设备操作场景; 模拟信号产生单元，用于基于场景产生数字数据信号; 和用于数字数据信号转换成RF生成指定数据信号，并包括RF信号发生器的数字信号发生器工作以发射RF信号发生器; 以及接收所述输入RF信号产生用于从所述互通单元生成的RF信号在接收产生的命令RF信号以生成RF信号数据和控制信号的RF信号发生器; 和接收数据加载命令时包括RF信号发生器，包括一个数据存储器，其存储所述RF信号产生电机集成在东方，各种威胁条件和环境转换成数据RF代存储器数据模拟系统的性能 可以系统有效地实施。
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Patent Agency Ranking
公开(公告)号：KR101687714B1
公开(公告)日：2016-12-19
申请号：KR1020150103262
申请日：2015-07-21
Applicant: 국방과학연구소
IPC: G01S13/524 , G01S5/06
Abstract: 본발명에따른위치탐지제어장치는, 다수의수신기, 상기다수의수신기로부터전파신호를수신하는트랜시버, 상기트랜시버에연결되어위치탐색을수행하는제어부를포함하되, 상기제어부는, 상기다수의수신기들의위치정보를수집하는단계, 타겟의방향, 상기타겟또는상기다수의수신기들의이동방향중 적어도하나에기반하여상기다수의수신기에수신되는가상신호에따른도래시간차(TDOA:Time Difference Of Arival) 및도래주파수차(FDOA: Frequency Difference Of Arival) 정보의인덱스를포함하는기준테이블을구성하는단계, 상기기준테이블로부터상기 TDOA 및 FDOA 정보를추출하는단계, 상기추출된 TDOA 정보에기반하여상기타겟의방향정보를추정하는단계, 상기추정된방향정보를이용하여기준도래각을선정하는단계를수행하여, 높은정확도를갖는정밀위치탐지방법을제공할수 있다.
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公开(公告)号：KR101680155B1
公开(公告)日：2016-11-28
申请号：KR1020150020908
申请日：2015-02-11
Applicant: 국방과학연구소
Abstract: 본발명은마할라노비스거리기반펄스모호성해결을위한대상펄스선정방법에관한것이다. 본발명에따른마할라노비스거리기반펄스모호성해결을위한대상펄스선정방법은 LOB(Line Of Bearing) 간의교점을계산하는단계(S100); 상기계산하는단계(S100)에서계산된상기교점이이상치(Outlier)인지여부를각각판단하는단계(S200); 및상기판단하는단계(S200)에서이상치(Outlier)로판단된교점을제외한나머지교점을이용하여탐지영역을설정하는단계(S300);를포함한다. 본발명에따르면, 수신기사이의이격거리에비해작은 PRI값을가지는위협에대한레이더펄스모호성을해결하기위하여, 대상펄스영역을설정할때 다수의 LOB 교점에마할라노비스거리개념을도입하여교점들중 이상치를제거함으로써과대대상펄스설정영역문제를해결할수 있다.
Abstract translation: 本发明涉及一种用于解决基于马氏距离的脉冲模糊度的目标脉冲选择方法。 根据本发明，该方法包括：计算轴线（LOB）的交点的步骤（S100）; 确定在步骤（S100）中计算的交点是否为离群值的步骤（S200） 以及步骤（S300），通过使用除了在步骤（S200）中确定为异常值的交点之外的剩余交点来设置检测区域。 根据本发明，为了将雷达脉冲模糊度解决为威胁，具有比接收器之间的间隔距离更小的PRI值，该方法能够通过从交叉点移除异常值来解决过度的目标脉冲设置区域的问题 当设置目标脉冲区域时，通过将Mahalanobis距离的概念应用于多个LOB交点来实现。
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公开(公告)号：KR101427149B1
公开(公告)日：2014-08-07
申请号：KR1020140026521
申请日：2014-03-06
Applicant: 국방과학연구소
IPC: G01S13/10
Abstract: The present invention relates to a radar signal recognition technique and, more specifically, to a method of recognizing a complex pulse repetition interval (PRI) modulation type through a support vector machine (SVM) by generating an exponential moving average signal using time of arrival (TOA) information of collected pulses and extracting a distinguishing factor after generating a signal by layer based on the exponential moving average signal.
Abstract translation: 雷达信号识别技术技术领域本发明涉及一种雷达信号识别技术，更具体地说，涉及一种利用支持向量机（SVM）通过使用到达时间产生指数移动平均信号来识别复数脉冲重复间隔（PRI）调制类型的方法 TOA）信息，并根据指数移动平均信号逐层生成一个区别因子。
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公开(公告)号：KR101394165B1
公开(公告)日：2014-05-27
申请号：KR1020140025507
申请日：2014-03-04
Applicant: 국방과학연구소
IPC: G06F3/03
CPC classification number: G06K9/6255 , G06F17/16 , G06K2209/01
Abstract: The present invention relates to a method for recognizing a user-adaptive cursive script in a smart device based on state transition probability. The method is realized in a manner of allowing a recognizer to train a cursive script inputted by a user, making a chain code, generated from the cursive script, into a state transition probability matrix, providing the recognizer with each of cursive script discriminating factors (P1-P9) extracted from the state transition probability matrix and then outputting the recognition result, terminating the recognition of the cursive script, when the recognition result is normal, and receiving a request for characters intended by the user and allowing the recognizer to retrain the characters, when the recognition result is abnormal. Thus, a writing style of a user can be recognized quickly with a high accuracy, a fast writing style (cursive script) with stronger user-specific font characteristics can be recognized as an exact writing style and, in particular, the poor performance and use of current smart devices can be extended by improving the character recognition of the smart devices.
Abstract translation: 本发明涉及一种基于状态转移概率来识别智能设备中的用户自适应草书的方法。 该方法以允许识别器训练由用户输入的草书脚本，使从草书脚本生成的链码变为状态转移概率矩阵的方式实现，向识别器提供草图脚本区分因素 P1-P9），然后输出识别结果，终止对草书脚本的识别，当识别结果正常时，接收对用户意图要求的字符的请求，并允许识别器重新训练 字符，当识别结果异常时。 因此，可以高精度地快速识别用户的书写风格，具有更强的用户特定字体特征的快速书写风格（草书脚本）可以被识别为精确的书写风格，特别是差的性能和使用 可以通过改进智能设备的字符识别来扩展当前的智能设备。
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公开(公告)号：KR1020140060840A
公开(公告)日：2014-05-21
申请号：KR1020120127681
申请日：2012-11-12
Applicant: 국방과학연구소
IPC: G01S19/37
Abstract: The present invention relates to a method and an apparatus for synchronizing time of a separate operation system without disconnection by using GNSS common view information and precision time protocol information. The method and the apparatus for dual mode time synchronization of the present invention can perform time synchronization between separate operation systems continuously regardless of GNSS signal jamming and a failure of a GNSS receiver, by performing time synchronization between the separate operation systems by being converted to a precision time protocol information mode using the precision time protocol, if the GNSS signal jamming and the failure of the GNSS receiver occur, as time synchronization between the separate operation systems is performed in a GNSS common view information mode using the GNSS common view information.
Abstract translation: 本发明涉及一种用于通过使用GNSS公共视图信息和精确时间协议信息来同步分离操作系统的时间而不断开的方法和装置。 本发明的双模式时间同步的方法和装置可以通过在单独的操作系统之间进行时间同步而被连续地执行时间同步，而不管GNSS信号干扰和GNSS接收机的故障，连续地在不同的操作系统之间进行时间同步 精确时间协议信息模式，使用精确时间协议，如果GNSS信号干扰和GNSS接收机发生故障，则使用GNSS公共视图信息在GNSS公共视图信息模式下执行分离操作系统之间的时间同步。
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