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公开(公告)号：KR101324172B1
公开(公告)日：2013-11-05
申请号：KR1020120110889
申请日：2012-10-05
Applicant: 국방과학연구소
Abstract: The present invention relates to a time of arrival (TOA) method of amending the digital, multi-channel receiving device which can correct and reduce the number of TOA errors by the non-linearities characteristic of a high frequency device and a route group delay when producing personal defense weapon (PDW) through the multi-channel digital receiving device. Particularly, the present invention has an effect that the TOA of each channel can be easily amended as the correction value of the TOA calibration table is used in case the multi-channel digital receiving device for storing the TOA calibration table for calculating the TOA of the high frequency signal of the device producing the PDW through the test after the implementation according to each frequency, and the internal passage of the receiving channel and the received power of amending the TOA are comprised and are applied to the time and direction of arrival (TDOA) base location estimating system comprised of a single, multi-channel digital receiving device. [Reference numerals] (100) High frequency signal generation unit;(200) Divider (1:N);(30) High frequency reception unit;(31) Digital signal reception and measurement unit;(400) Correction device unit;(500) Test control unit;(AA,BB) N channel
Abstract translation: 本发明涉及一种修正数字多通道接收装置的到达时间（TOA）方法，该方法可以通过高频设备的非线性特性和路由组延迟来校正和减少TOA误差的数量， 通过多通道数字接收设备制造个人防御武器（PDW）。 具体地说，本发明具有这样的效果：如果用于存储用于计算TOA校正表的TOA的TOA校准表的多通道数字接收装置使用TOA校准表的校正值，则可容易地修改每个通道的TOA 根据每个频率实施后通过测试产生PDW的设备的高频信号，并且接收信道的内部通过和修改TOA的接收功率被包括并应用于到达的时间和方向（TDOA ）基地点估计系统由单个多通道数字接收装置组成。 （100）高频信号生成单元（200）分频器（1：N）;（30）高频接收单元;（31）数字信号接收和测量单元;（400）校正设备单元;（500 ）测试控制单元;（AA，BB）N通道
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公开(公告)号：KR101302624B1
公开(公告)日：2013-09-03
申请号：KR1020120091933
申请日：2012-08-22
Applicant: 국방과학연구소
Abstract: PURPOSE: An apparatus and a method for recognizing radar signal modulation in pulses are provided to sort frequency modulation into linear frequency modulation and non-linear frequency modulation. CONSTITUTION: An apparatus and a method for recognizing radar signal modulation in pulses comprise following steps. Frequency modulation in pulses is sorted into linear frequency modulation (LFM) and non-linear frequency modulation (NLFM) (S310). If the frequency modulation is the linear frequency modulation, whether the detailed modulation of the linear frequency modulation is LFM chirp up modulation, LFM chirp down modulation, or LFM triangle modulation is determined (S320). If the frequency modulation is the non-linear frequency modulation, whether the detailed modulation of the non-linear frequency modulation is LFM-2 chirp up modulation, LFM-2 chirp down modulation, NLFM-3 chirp up modulation, NLFM-3 chirp down modulation, or sinusoid modulation is determined (S340, S350). [Reference numerals] (AA) Start; (BB,DD) Yes; (CC,EE) No; (FF) End; (S310) Does a triangle modulation of LFM exist?; (S320) Recognize the triangle modulation of LFM; (S330) Is the inclination signal of a template positive?; (S340) Recognize the up modulation of LFM; (S350) Recognize the down modulation of LFM
Abstract translation: 目的：提供用于识别脉冲中的雷达信号调制的装置和方法，以将频率调制分类为线性频率调制和非线性频率调制。 构成：用于识别脉冲雷达信号调制的装置和方法包括以下步骤。 脉冲频率调制分为线性频率调制（LFM）和非线性频率调制（NLFM）（S310）。 如果频率调制是线性调频，则线性调频的详细调制是LFM线性调频调制，LFM啁啾下调，还是LFM三角调制（S320）。 如果频率调制是非线性频率调制，则非线性频率调制的详细调制是LFM-2啁啾调制，LFM-2啁啾下调，NLFM-3啁啾调制，NLFM-3啁啾下降 确定调制或正弦调制（S340，S350）。 （附图标记）（AA）开始; （BB，DD）是; （CC，EE）否; （FF）结束; （S310）是否存在LFM的三角调制？ （S320）识别LFM的三角调制; （S330）模板的倾斜信号是否为正？ （S340）识别LFM的上调; （S350）识别LFM的下调
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13.发明授权적응형 히스토그램을 이용한 레이더신호 지터PRI 펄스열 추출방법 및 이를 이용한 레이더신호 지터PRI 펄스열 추출장치 有权使用自适应组织提取雷达信号的抖动脉冲的方法，以及使用其的雷达信号提取抖动脉冲的装置
公开(公告)号：KR101300649B1
公开(公告)日：2013-08-27
申请号：KR1020130021670
申请日：2013-02-28
Applicant: 국방과학연구소
Abstract: PURPOSE: A method and a device for extracting a radar signal jitter pulse repetition interval (PRI) pulse train using an adaptive histogram are provided to improve the detection accuracy of a radar signal in a high density multiple signal environment and to be applied to various electronic warfare systems necessary to be analyzed in signals. CONSTITUTION: A signal receiving part (10) comprises an antenna for sensing a radar signal. The signal receiving part processes the signal detected by the antenna and transmits the signal to a control part (20). The control part is classified into a histogram generation module (22), a candidate list setting module (24), a histogram extension module (25), an extraction threshold comparing module (26), and a jitter PRI pulse train extraction module (28). The histogram generation module generates a histogram using the difference between a set disparity and the time of arrival (TOA). The candidate list setting module selects a Bin which exceeds a pre-set candidate threshold among a histogram Bin and sets the Bin as a candidate list. The histogram extension module merges the histogram Bin in order to choose PRI for extraction using the candidate list. The extraction threshold comparing module compares the stored candidate list with the extracted threshold to determine whether to extract or not. The jitter PRI pulse train extraction module restarts the control operation by confirming the number of pulses remained after the extraction is greater than the jitter PRI pulse train accreditation number and increasing degree. [Reference numerals] (10) Receiving unit; (20) Control unit; (22) Histogram generation module; (24) Candidate list setting module; (25) Histogram expansion module; (26) Extraction threshold comparing module; (28) Jitter PRI pulse train extraction module
Abstract translation: 目的：提供一种使用自适应直方图提取雷达信号抖动脉冲重复间隔（PRI）脉冲序列的方法和装置，以提高高密度多信号环境中雷达信号的检测精度，并适用于各种电子 需要在信号中分析的战争系统。 构成：信号接收部分（10）包括用于感测雷达信号的天线。 信号接收部分处理由天线检测到的信号，并将该信号发送到控制部分（20）。 控制部分分为直方图生成模块（22），候选列表设置模块（24），直方图扩展模块（25），提取阈值比较模块（26）和抖动PRI脉冲串提取模块（28 ）。 直方图生成模块使用设定的差异与到达时间（TOA）之间的差异来生成直方图。 候选列表设置模块在直方图Bin中选择超过预设候选阈值的Bin，并将Bin设置为候选列表。 直方图扩展模块合并直方图bin，以便使用候选列表选择PRI进行提取。 提取阈值比较模块将存储的候选列表与提取的阈值进行比较，以确定是否提取。 抖动PRI脉冲串提取模块通过确认提取后剩余的脉冲数大于抖动PRI脉冲序列认证数量和增加程度来重新启动控制操作。 （附图标记）（10）接收单元; （20）控制单元; （22）直方图生成模块; （24）候选清单设定模块; （25）直方图扩展模块; （26）提取阈值比较模块; （28）抖动PRI脉冲串提取模块
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公开(公告)号：KR101075516B1
公开(公告)日：2011-10-21
申请号：KR1020110048123
申请日：2011-05-20
Applicant: 국방과학연구소
IPC: G01S7/28
CPC classification number: G01S7/021
Abstract: 본 발명은 펄스반복주기 변조형태 인식방법 및 이를 적용하는 인식장치에 관한 것으로, 상기 변조형태 인식방법은, 수신된 레이더 신호로부터 시간순으로 정렬되는 펄스도착시간 정보를 검출하는 단계와, 상기 펄스도착시간 정보의 차분으로부터 펄스반복주기(Pulse Repetition Interval, PRI) 시퀀스를 생성하는 단계와, 상기 PRI 시퀀스에서 연속하는 항들의 차분을 이용하여 펄스반복주기 차분(Difference of PRIs, DPRI) 시퀀스를 생성하는 단계와, 상기 PRI 시퀀스 및 DPRI 시퀀스로부터 파티션 규칙(partition rule)을 이용하여 각각의 심벌 시퀀스들을 생성하는 단계, 및 상기 심벌 시퀀스들로부터 특징인자들을 연산하고 상기 특징인자들과 PRI 변조형태 구분을 위한 임계치들을 비교하여 상기 PRI 변조형태를 판단하는 단계를 포함한다. 이에 의하여 본 발명은 레이더 신호 식별 능력과 관련된 식별 변수인 PRI 변조형태 정보를 보다 정확하게 도출하게 된다.
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公开(公告)号：KR1020170037421A
公开(公告)日：2017-04-04
申请号：KR1020150137024
申请日：2015-09-25
Applicant: 국방과학연구소
Abstract: 본발명은수신기에서생성되는 PDW를이용하여주파수영역의스펙트럼을전시하고상기스펙트럼정보를이용하여추가수집전략을작성할수 있는전자전지원수신기의스펙트럼전시방법에관한것으로, 디스플레이부에표시된스펙트럼수집 GUI를통해 PDW(Pulse Description Word)를수집하기위한설정정보를입력하는단계; 항공제어/분석부에서상기입력된설정정보를근거로관심주파수영역내에서레이더신호를수신하여복수의 PDW(Pulse )를수집하는단계; 및지상제어/분석부에서상기수집된복수의 PDW를주파수기준으로정렬하여배열정보를생성한후 디스플레이부에스펙트럼과워터폴(Waterfall)을전시하는단계;를포함한다.
Abstract translation: 使用由所述接收机所产生的PDW本发明表现出在上的频谱信息，电子战频谱显示方法，它可以使用启用接收器创建额外的采集策略频域的频谱，频谱采集GUI显示在显示单元上 输入用于收集PDW（脉冲描述字）的设置信息; 收集所述多个PDW（脉冲）的用于在空气中的控制/分析部所输入的设置信息的基础上感兴趣的频率区域中接收的雷达信号; 并且通过从地面控制/分析单元收集多个PDW的对准成频谱并生成排列信息之后在显示单元上的参考相位呈现瀑布（瀑布）;和。
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Patent Agency Ranking
公开(公告)号：KR101533015B1
公开(公告)日：2015-07-02
申请号：KR1020130074445
申请日：2013-06-27
Applicant: 국방과학연구소
Abstract: 본발명은레이더신호인식기술에관한것으로서, 더상세하게는탐지된레이더신호의반송파복구없이 N 중첩위상차(N Overlapping Phase Difference)를이용하여 PSK(Phase Shift Keying)로구분된레이더신호의세부변조형태인 BPSK(Binary Phase Shift Keying), QPSK(Quadrature Phase Shift Keying) 변조형태를자동으로인식하는방법에관한것이다. 본발명에따르면, 탐지된레이더신호가 PSK 변조형태인경우 N 중첩위상차를구하고, N 중첩위상차를기반으로한 히스토그램의피크개수를이용하여 BPSK, QPSK로세부적으로구분함으로써, 자동적으로 BPSK, QPSK 등의세부변조형태를인식할수 있다.
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公开(公告)号：KR1020150059469A
公开(公告)日：2015-06-01
申请号：KR1020130143102
申请日：2013-11-22
Applicant: 국방과학연구소
IPC: G01S7/38
Abstract: 본발명은 GPS(Global Positioning System) 수신기를기만하는 GPS 기만신호를탐지하고분석하는 GPS 기만신호탐지장치및 방법에관한것으로, 상기 GPS 기만신호탐지방법은, 안테나를이용하여 GPS 신호를실시간으로수신하는단계, 상기수신되는 GPS 신호를기준단위로샘플링하여샘플데이터를생성하는단계, 상기생성된샘플데이터를이용하여각 위성별로 PRN(Pseudo Random Noise) 피크를산출하고, 산출된피크값과임계값의비교결과에근거하여기준시간동안트리거신호를생성하는단계, 상기생성된트리거신호에응답하여상기기준시간동안상기생성된샘플데이터를추출하는단계및 상기추출된샘플데이터를단계별로비교하여기만신호를탐지하는단계를포함하는것을특징으로한다.
Abstract translation: 本发明提供了一种用于检测GPS欺骗信号的装置和方法，其检测和分析欺骗全球定位系统（GPS）接收机的GPS欺骗信号。 用于检测GPS欺骗信号的方法包括：使用天线实时地接收GPS信号的步骤; 通过用标准单元对接收的GPS信号进行采样来产生采样数据的步骤; 通过使用生成的采样数据计算每个卫星的伪随机噪声（PRN）峰值并且在标准时间期间基于将计算出的峰值与临界值进行比较的结果产生触发信号的步骤; 响应于所生成的触发信号在标准时间内提取生成的样本数据的步骤; 以及通过逐个比较提取的采样数据来检测欺骗信号的步骤。
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公开(公告)号：KR101415067B1
公开(公告)日：2014-07-04
申请号：KR1020120127681
申请日：2012-11-12
Applicant: 국방과학연구소
IPC: G01S19/37
Abstract: 본 발명은 GNSS동시관측 정보 및 정밀시각 프로토콜 정보를 이용하여 이격 운용되는 시스템의 시각을 단절없이 동기시키는 장치 및 방법에 관한 것으로, GNSS동시관측 정보를 이용하는 GNSS동시관측 정보모드에서 이격 운용 시스템간 시각동기를 맞추다가 GNSS신호 재밍 및 GNSS수신기의 고장이 발생되면 정밀시각프로토콜 정보를 이용하는 정밀시각프로토콜 정보모드로 전환하여 이격 운용 시스템간의 시각동기를 맞춤으로써 GNSS신호 재밍 및 GNSS수신기의 고장에 관게없이 이격 운용 시스템간의 시각동기를 연속적으로 맞출 수 있다.
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公开(公告)号：KR101317887B1
公开(公告)日：2013-10-16
申请号：KR1020130064523
申请日：2013-06-05
Applicant: 국방과학연구소
Abstract: PURPOSE: A radar modulation type identifying method using Gini's coefficient is provided to use a maximum likelihood (ML) classifier, thereby automatically identifying a radar modulation type. CONSTITUTION: A radar signal (S[k]) stored in a digital receiver is read (S200). A degree of unbalance in a frequency domain of the radar signal is quantified by a quantifying unit using Gini's coefficient (S210). A modulation type of the radar signal is identified by quantifying the degree of unbalance and using an ML classifier (S220). [Reference numerals] (S200) Read a radar signal (S[k]) stored in a digital receiver; (S210) Quantify a degree of unbalance in a frequency domain of the radar signal (s[k]) detected using Gini's coefficient which is a feature factor; (S220) Identify a modulation type of the radar signal (s[k]) detected by quantifying the degree of unbalance and using an ML classifier
Abstract translation: 目的：提供使用吉尼系数的雷达调制型识别方法，以使用最大似然（ML）分类器，从而自动识别雷达调制类型。 构成：读取存储在数字接收机中的雷达信号（S [k]）（S200）。 雷达信号频域的不平衡程度由使用吉尼系数的量化单位量化（S210）。 通过量化不平衡度并使用ML分类器来识别雷达信号的调制类型（S220）。 （S200）读取存储在数字接收机中的雷达信号（S [k]）; （S210）使用作为特征因子的基尼系数检测到的雷达信号的频域（s [k]）的量化不平衡度; （S220）识别通过量化不平衡程度并使用ML分类器检测的雷达信号（s [k]）的调制类型
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公开(公告)号：KR101241101B1
公开(公告)日：2013-03-11
申请号：KR1020110120655
申请日：2011-11-18
Applicant: 국방과학연구소
IPC: G01S7/28
Abstract: PURPOSE: A radar scan type recognition method using feature factors is provided to recognize radar scan types by using pulse amplitude information in accordance with pulse arrival time of detected radar signals. CONSTITUTION: Pulse amplitude information is generated according to pulse arrival time to classify received or measured radar signals into scan types, and feature factors R1, R2, and R3, representing signal concentration in time domain are calculated(S110). The R1 and a corresponding threshold value are compared(S121), the R2 and a corresponding threshold value are compared(S122), and the R3 and a corresponding threshold value are compared(S123). Detailed scan type classification for search radar signals or tracking radar signals is performed(S130,S140). [Reference numerals] (AA) Start; (BB) End; (S110) R1, R2, R3 calculation; (S130) Tracking radar classification; (S140) Search radar classification
Abstract translation: 目的：使用特征因子的雷达扫描类型识别方法，根据检测到的雷达信号的脉冲到达时间，通过使用脉冲幅度信息来识别雷达扫描类型。 构成：根据脉冲到达时间生成脉冲幅度信息，将接收或测量的雷达信号分类为扫描类型，并计算表示时域信号浓度的特征因子R1，R2和R3（S110）。 比较R1和对应的阈值（S121），比较R2和对应的阈值（S122），并比较R3和对应的阈值（S123）。 执行搜索雷达信号或跟踪雷达信号的详细扫描类型分类（S130，S140）。 （附图标记）（AA）开始; （BB）结束; （S110）R1，R2，R3计算; （S130）跟踪雷达分类; （S140）搜索雷达分类
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