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公开(公告)号：KR101271427B1
公开(公告)日：2013-06-05
申请号：KR1020090103684
申请日：2009-10-29
Applicant: 한국전자통신연구원
Abstract: 본 발명은 방향탐지용 디지털 누적 스펙트럼 분석 장치 및 방법에 관한 것으로, 초당 수 백개 이상의 스펙트럼을 측정할 수 있는 방향탐지용 디지털 누적 스펙트럼 분석 장치 및 방법을 제공하고자 한다.
이를 위하여, 본 발명은 안테나로부터 수신된 RF 신호를 중간주파수 신호로 변환하는 RF 다운 변환부와, 상기 중간주파수 신호로 변환된 아날로그 신호를 디지털 신호로 변환하고, 디디씨(DDC)를 이용하여 상기 변환된 디지털 신호의 샘플링 속도를 줄여 기저대역 복소수 신호로 변환하는 디지털 처리부와, 상기 디지털 처리부에서 변환된 기저대역 복소수 신호를 처리하는 스펙트럼 처리부를 포함하되, 상기 스펙트럼 처리부는, 미리 설정한 주파수 대역에서 상기 복소수 신호의 레벨을 계산하는 검출기와, 상기 계산된 레벨들을 x 축은 각도, y 축은 레벨에 맵핑한 후 해당 각도에서 계산되는 레벨들에 대해 각각의 누적율에 따라 색상을 달리 할당하는 복합파형 영상맵 메모리를 포함한다.
스펙트럼, 방향탐지-
公开(公告)号：KR1020120071851A
公开(公告)日：2012-07-03
申请号：KR1020100133566
申请日：2010-12-23
Applicant: 한국전자통신연구원
IPC: G01S3/46
CPC classification number: G01S3/74
Abstract: PURPOSE: An apparatus and a method for estimating the signal arrival direction in a communication system are provided to estimate the arrival direction of a signal using a signal obtained through filtering of a noise region. CONSTITUTION: A signal arrival direction estimating apparatus(100) comprises a signal receiver(110), a preprocessor(120), a signal rearrangement processor(130), and a signal arrival direction estimator(140). The preprocessor converts a signal received through the signal receiver into a frequency region and denoises the converted time sample. The signal rearrangement processor measures an occupied bandwidth through spectrum analysis of the denoised signal and filters a noise region from the denoised signal based on the occupied bandwidth. The signal arrival direction estimator estimates a signal arrival direction using the filtered signal.
Abstract translation: 目的：提供一种用于估计通信系统中的信号到达方向的装置和方法，以使用通过噪声区域的滤波获得的信号来估计信号的到达方向。 构成：信号到达方向估计装置（100）包括信号接收器（110），预处理器（120），信号重排处理器（130）和信号到达方向估计器（140）。 预处理器将通过信号接收器接收的信号转换成频率区域，并对转换的时间采样进行去噪。 信号重排处理器通过去噪信号的频谱分析来测量占用的带宽，并且根据所占用的带宽对来自去噪信号的噪声区域进行滤波。 信号到达方向估计器使用滤波信号估计信号到达方向。
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公开(公告)号：KR1020110035417A
公开(公告)日：2011-04-06
申请号：KR1020090093135
申请日：2009-09-30
Applicant: 한국전자통신연구원 , 경희대학교 산학협력단
CPC classification number: H04B17/0055 , H04B17/345 , H04W24/10 , H04W72/02
Abstract: PURPOSE: A system and method for selecting a white Gaussian noise band using singular value decomposition are provided to objectively and effectively select a frequency or a frequency band which is configured by only wireless background noise. CONSTITUTION: A frequency selecting unit(110) selects a first frequency band. A signal checking unit(120) checks whether a signal is included in the first frequency band. If a signal is not included in the first frequency band, a target frequency determining unit(130) determines the first frequency band as a measurement target frequency band. A noise measuring unit(140) measures a wireless background noise in the determined measurement target frequency band.
Abstract translation: 目的：提供一种使用奇异值分解来选择白高斯噪声频带的系统和方法，以客观有效地选择仅由无线背景噪声配置的频率或频带。 构成：频率选择单元（110）选择第一频带。 信号检查单元（120）检查信号是否包括在第一频带中。 如果信号不包括在第一频带中，则目标频率确定单元（130）将第一频带确定为测量目标频带。 噪声测量单元（140）测量所确定的测量目标频带中的无线背景噪声。
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公开(公告)号：KR101693393B1
公开(公告)日：2017-01-05
申请号：KR1020120056907
申请日：2012-05-29
Applicant: 한국전자통신연구원
Abstract: 본발명은, 통신시스템에서접이식대수주기안테나에있어서, 제 1 중앙도전선로의일측에만제 1 폴소자들이배열된제 1 안테나부소자와제 2 중앙도전선로의일측에만제 2 폴소자들이배열된제 2 안테나부소자를포함하는제 1 대수주기안테나소자; 제 3 중앙도전선로의일측에만제 3 폴소자들이배열된제 3 안테나부소자와제 4 중앙도전선로의일측에만제 4 폴소자들이배열된제 4 안테나부소자를포함하는제 2 대수주기안테나소자; 상기제 1 안테나부소자와상기제 2 안테나부소자를결합및 분리하는제 1 결합보조부; 및상기제 3 안테나부소자와상기제 4 안테나부소자를결합및 분리하는제 2 결합보조부를포함한다.
Abstract translation: 本发明涉及通信系统中的折叠对数周期性天线，其包括：第一对数周期性天线元件，其包括第一触发子元件，其中第一极元件仅布置在第一中心导线的一侧上， 第二天线子元件，其中第二极元件仅布置在第二中心导线的一侧上; 包括第三天线子元件的第二对数周期性天线元件，其中第三极元件仅布置在第三中心导电线的一侧上，第四天线子元件仅在第一天线元件的一侧上布置 第四中心导线; 组合和分离第一天线子元件和第二天线子元件的第一组合子部件; 以及组合和分离第三天线子元件和第四天线子元件的第二组合子部分。
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公开(公告)号：KR1020140021450A
公开(公告)日：2014-02-20
申请号：KR1020120088062
申请日：2012-08-10
Applicant: 한국전자통신연구원
CPC classification number: G10K11/002 , H03D7/165
Abstract: The present invention includes a dual channel digitizing unit which converts a signal inputted to each dual channel into a digital signal by the down conversion of a frequency and a digital signal processing unit which reduces a noise in a time zone by using a sample cross-correlation through feedback from a time sample zone of the signal inputted from the dual channel digitizing unit.
Abstract translation: 本发明包括双通道数字化单元，其通过频率的下变频将输入到每个双通道的信号转换为数字信号，并且通过使用样本互相关来减少时区中的噪声的数字信号处理单元 通过从双通道数字化单元输入的信号的时间采样区域的反馈。
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Patent Agency Ranking
公开(公告)号：KR1020140021285A
公开(公告)日：2014-02-20
申请号：KR1020120087467
申请日：2012-08-09
Applicant: 한국전자통신연구원
IPC: H03D7/16
Abstract: The present invention relates to a broadband frequency conversion device which includes: a first frequency mixer for down-converting a received frequency according to a first local oscillation frequency generated in a first local oscillator to a first intermediate frequency; a second frequency mixer for down-converting the first intermediate frequency according to a second local oscillation frequency generated in a second local oscillator to a second intermediate frequency; and a control unit for controlling the first local oscillator to make the first intermediate frequency correspond to an image frequency which is generated by the second local oscillation frequency and second intermediate frequency according to the received frequency. According to the present invention, a receivable frequency range can be extended while maintaining a sweep range of the first local oscillation frequency, and the spurious performance can be improved. [Reference numerals] (170) Control unit
Abstract translation: 本发明涉及一种宽带频率转换装置，其包括：第一混频器，用于根据在第一本地振荡器中产生的第一本地振荡频率将接收频率下变频到第一中频; 第二混频器，用于根据在第二本地振荡器中产生的第二本地振荡频率将第一中频缩减为第二中频; 以及控制单元，用于控制第一本地振荡器以使第一中间频率对应于根据接收到的频率由第二本地振荡频率和第二中频产生的图像频率。 根据本发明，可以延长可接收的频率范围，同时保持第一本地振荡频率的扫描范围，并且可以提高杂散性能。 （附图标记）（170）控制单元
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公开(公告)号：KR1020110046956A
公开(公告)日：2011-05-06
申请号：KR1020090103684
申请日：2009-10-29
Applicant: 한국전자통신연구원
Abstract: PURPOSE: An apparatus and a method of a digital cumulative spectrum analyzer for direction finding are provided to implement the characteristics of an input signal at angle through which a user can't monitor a display screen in real time in past time. CONSTITUTION: In an apparatus and a method of a digital cumulative spectrum analyzer for direction finding, an RF down-conversion unit(301) receives an RF signal from an antenna and converts it into a middle frequency. A digital processing unit(310) converts an analog signal which is obtained by covering the RF signal into a middle frequency into a digital signal. The digital processing unit reduces the sampling speed of the converted digital signal to covert a baseband complex number. A spectrum processing unit(320) maps angles corresponding to an azimuth and calculated level to an X-axis and an Y-axis and assign different color according to each accumulation ratio of a reservation mode.
Abstract translation: 目的：提供用于方向发现的数字累积频谱分析仪的装置和方法，以实现用户不能在过去时间内实时监视显示屏的角度的输入信号的特性。 构成：在用于测向的数字累积频谱分析仪的装置和方法中，RF下变频单元（301）从天线接收RF信号并将其转换成中频。 数字处理单元（310）将通过将RF信号覆盖为中频而获得的模拟信号转换为数字信号。 数字处理单元降低转换的数字信号的采样速度以隐藏基带复数。 频谱处理单元（320）将与方位角和计算水平相对应的角度映射到X轴和Y轴，并根据预约模式的每个累积比分配不同的颜色。
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公开(公告)号：KR101641202B1
公开(公告)日：2016-07-20
申请号：KR1020100128352
申请日：2010-12-15
Applicant: 한국전자통신연구원
CPC classification number: H01Q7/00
Abstract: 본발명은루프안테나에관한것으로, 루프폭을넓힘으로써안테나의방사저항에는큰 변화없이손실저항을줄여안테나의효율을향상시키고, 나사체결방식을통해견고한접속을가능하게하는루프안테나를제공하고자한다. 이를위하여, 본발명은, 루프안테나에있어서, 상기루프안테나의루프둘레를따라형성된판상의주루프면과, 상기주루프면좌우에위치하며상기주루프면과소정의경사각을이루면서접혀져있는부루프면을포함하는루프소자; 상기주루프면의양측끝에위치한루프고정단과, 상기루프고정단과연결되어급전회로부와결합되는기판접속단을포함하는루프급전부; 및상기루프급전부에접속되어상기루프소자에신호를공급하거나외부로부터신호를공급받는상기급전회로부를포함한다.
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公开(公告)号：KR101606598B1
公开(公告)日：2016-03-25
申请号：KR1020090093135
申请日：2009-09-30
Applicant: 한국전자통신연구원 , 경희대학교 산학협력단
CPC classification number: H04B17/0055 , H04B17/345 , H04W24/10 , H04W72/02
Abstract: 주파수대역을선정하는단계와, 상기선정된주파수대역에신호가포함되는지여부를확인하는단계와, 상기신호가포함되지않는것으로확인될경우, 상기주파수대역을측정대상주파수로결정하는단계, 및상기결정된측정대상주파수대역에서무선배경잡음을측정하는단계를포함하는특이값분해를이용한백색가우시안잡음대역결정방법이개시된다.
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公开(公告)号：KR1020130133556A
公开(公告)日：2013-12-09
申请号：KR1020120056907
申请日：2012-05-29
Applicant: 한국전자통신연구원
CPC classification number: H01Q11/10 , H01Q1/08 , H01Q1/1235 , H01Q21/08
Abstract: The present invention relates to a folding log periodic antenna in a communication system, which includes: a first log periodic antenna element including a first antennal sub-element in which first pole elements are arranged only on one side of a first center conducting line and a second antenna sub-element in which second pole elements are arranged only on one side of a second center conducting line; a second log periodic antenna element including a third antennal sub-element in which third pole elements are arranged only on one side of a third center conducting line and a fourth antenna sub-element in which fourth pole elements are arranged only on one side of a fourth center conducting line; a first combining subsidiary part combining and separating the first antenna sub-element and the second antenna sub-element; and a second combining subsidiary part combining and separating the third antenna sub-element and the fourth antenna sub-element.
Abstract translation: 本发明涉及通信系统中的折叠对数周期性天线，其包括：第一对数周期性天线元件，其包括第一触发子元件，其中第一极元件仅布置在第一中心导线的一侧上， 第二天线子元件，其中第二极元件仅布置在第二中心导线的一侧上; 包括第三天线子元件的第二对数周期性天线元件，其中第三极元件仅布置在第三中心导电线的一侧上，第四天线子元件仅在第一天线元件的一侧上布置 第四中心导线; 组合和分离第一天线子元件和第二天线子元件的第一组合子部件; 以及组合和分离第三天线子元件和第四天线子元件的第二组合子部分。
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