公开(公告)号：KR1020030071996A

公开(公告)日：2003-09-13

申请号：KR1020020011503

申请日：2002-03-05

Applicant: 한국전자통신연구원

Inventor： 엄순영 ,  전순익 ,  최재익 ,  박한규 ,  스코벨레프세르게이피 ,  가닌세르게이에이 ,  슈보프아나톨레이지 ,  시실로프알렉산더브이

IPC: H01Q3/30

Abstract: PURPOSE: A two-dimensional multi-layer disc radiation arrangement structure is provided to have a uniform electric performance in a wide beam scan range and provide a small size, a low cost and a light weight. CONSTITUTION: A center element(610) supplies a round polarization signal of a basic mode and forms a unit radiation pattern of FTEP via mutual electron wave coupling. A plurality of first ring elements(620) are installed at an apex of a cube where the center element is placed at the center, and form the unit radiation pattern via coupling of mutual electron wave with the center element. A plurality of second ring elements(630) are installed on the other apex of a triangular lattice having one or two apexes of the first ring elements so as to form a cube, and form the unit radiation pattern via coupling of mutual electron wave with the first ring elements. A circular waveguide arrangement support part(640) supports the center element, the first ring elements and the second ring elements.

Abstract translation: 目的：提供二维多层盘辐射布置结构，以在宽光束扫描范围内具有均匀的电气性能，并提供小尺寸，低成本和重量轻。 构成：中心元件（610）提供基本模式的圆极化信号，并通过互电耦合形成FTEP的单位辐射图。 多个第一环形元件（620）安装在中心元件位于中心的立方体的顶点处，并且通过相互电子波与中心元件的耦合形成单位辐射图。 多个第二环形元件（630）安装在具有第一环形元件的一个或两个顶点的三角形格子的另一个顶点上以形成立方体，并且通过互电子波的耦合形成单位辐射图案 第一环元素。 圆形波导布置支撑部分（640）支撑中心元件，第一环形元件和第二环形元件。

公开(公告)号：KR1020030068846A

公开(公告)日：2003-08-25

申请号：KR1020020008502

申请日：2002-02-18

Applicant: 한국전자통신연구원

Inventor： 윤재승 ,  전순익 ,  최재익

IPC: H01Q13/08

Abstract: PURPOSE: A broadband microstrip patch antenna is provided to reduce a volume and increase a bandwidth by using an electromagnetic coupling between an active patch and a static patch and make polarization conform by performing a mechanical beam tilting and an electric beam tilting at the same time. CONSTITUTION: The first patch antenna layer includes the first dielectric layer(120) and a ground conductor layer. The first patch antenna supplies an energy, which is supplied through a feeder connected with the first patch placed at the first dielectric layer, to the second patch(160), which is connected with the first patch. The first patch antenna layer receives an energy supplied by the second patch. The second patch antenna includes the second dielectric layer(170) and supplies an energy, which is supplied by the first patch connected with the second patch placed at the second dielectric layer. The second patch antenna layer supplies a received energy to the first patch. A separation part is disposed between the first patch antenna layer and the second patch antenna layer to separate the first patch antenna layer and the second patch antenna layer.

Abstract translation: 目的：提供宽带微带贴片天线，通过使用有源贴片和静态贴片之间的电磁耦合来减小体积和增加带宽，并通过同时执行机械光束倾斜和电子束倾斜来使偏振一致。 构成：第一贴片天线层包括第一电介质层（120）和接地导体层。 第一贴片天线通过与放置在第一介电层的第一贴片连接的馈电器提供的能量提供给与第一贴片连接的第二贴片（160）。 第一贴片天线层接收由第二贴片提供的能量。 第二贴片天线包括第二电介质层（170），并且提供由与位于第二电介质层处的第二贴片连接的第一贴片提供的能量。 第二贴片天线层将接收的能量提供给第一贴片。 分离部分设置在第一贴片天线层和第二贴片天线层之间，以分离第一贴片天线层和第二贴片天线层。

公开(公告)号：KR1020030055655A

公开(公告)日：2003-07-04

申请号：KR1020010085697

申请日：2001-12-27

Applicant: 한국전자통신연구원 ,  브이케이 주식회사

Inventor： 이태윤 ,  윤재훈 ,  박주덕 ,  김종면 ,  최재익 ,  배경화

IPC: H01Q17/00

Abstract: PURPOSE: An antenna set is provided to have a broadband characteristic and to effectively reduce an electromagnetic radiation amount directed to a head of a user. CONSTITUTION: An antenna set(1) is configured to assist radio wave transmission and reception of electronic devices in a portable phone. An antenna(3) is configured to transmit and receive radio waves to and from the outside. An electromagnetic absorption member(4) is placed between the antenna and the electronic device and absorbs radio waves reflected from the electronic devices. A power feeder feeds a power from the electronic devices to the antenna, and a ground part grounds the antenna which is a monopole antenna.

Abstract translation: 目的：提供一种具有宽带特性并有效减少指向用户头部的电磁辐射量的天线组。 构成：天线组（1）被配置为协助无线电波在便携式电话中发送和接收电子设备。 天线（3）被配置为向外部发送和接收无线电波。 电磁吸收构件（4）被放置在天线和电子设备之间并吸收从电子设备反射的无线电波。 电力馈送器将电力从电子设备馈送到天线，并且接地部分将作为单极天线的天线接地。

公开(公告)号：KR100372888B1

公开(公告)日：2003-02-19

申请号：KR1020000083257

申请日：2000-12-27

Applicant: 한국전자통신연구원

Inventor： 윤재훈 ,  이태윤 ,  최재익

IPC: H01Q1/24

Abstract: PURPOSE: A mobile communication terminal monopole antenna of a folder type for reducing an electromagnetic wave absorption rate is provided to remove an electromagnetic wave face the head of the human body of a radiation electromagnetic wave generating from an antenna emission element. CONSTITUTION: An electric wave absorption material(5) is formed by a ferrite. A speaker is mounted at a cover(1) of the mobile communication terminal. A conductor plate(6) for reflecting the electromagnetic wave is adhered at the electric wave absorption material(5) as a tape. The tape is coated by means of a conductivity material such Copper, Aluminum, Iron and Nickel. An antenna pole(9) is mounted at the body(2). A shade head conductor(8) is mounted at the end of the antenna pole(9). A current is induced in a surface of the antenna pole(9) and the shade head conductor(8). The induced current copies the electric wave toward the first space. An emission element(4) includes the antenna pole(9) and the shade head conductor(8).

Abstract translation: 目的：提供一种用于降低电磁波吸收率的折叠式移动通信终端单极天线，以消除面向天线发射元件产生的辐射电磁波的人体头部的电磁波。 构成：电波吸收材料（5）由铁氧体形成。 扬声器安装在移动通信终端的盖子（1）处。 用于反射电磁波的导体板（6）作为胶带粘附在电波吸收材料（5）上。 胶带通过导电材料如铜，铝，铁和镍涂覆。 天线杆（9）安装在主体（2）上。 天线杆（9）的末端安装有遮光罩导体（8）。 电流在天线杆（9）和灯罩头导体（8）的表面中被感应。 感应电流将电波复制到第一个空间。 发射元件（4）包括天线杆（9）和灯罩头导体（8）。

公开(公告)号：KR1020030008613A

公开(公告)日：2003-01-29

申请号：KR1020010043443

申请日：2001-07-19

Applicant: 한국전자통신연구원

Inventor： 윤재훈 ,  이태윤 ,  박주덕 ,  배경화 ,  최재익 ,  김종면 ,  김정일

IPC: H01Q1/24

Abstract: PURPOSE: A broadband shortened antenna element and antenna using the same is provided to reduce weight and size of the antenna element, while preventing deterioration of antenna efficiency at the grounding surface. CONSTITUTION: A broadband shortened antenna element comprises a top-shaped member(201) formed of a conductor, and which has a lower end disposed at a feeder(204) of a co-axial connector arranged at a grounding surface(205); a central member(202) arranged upright onto the top-shaped member, and which has a diameter smaller than the diameter of the top-shaped member and is formed of a conductor; an end cap member(203) arranged at the top of the central member and formed of a conductor having a diameter larger than the diameter of the central member. The end cap member forms a resonance frequency at the state where the electrical length of the end cap member is short.

Abstract translation: 目的：提供宽带缩短的天线元件和使用其的天线，以减少天线元件的重量和尺寸，同时防止天线效率在接地面的恶化。 构成：宽带缩短的天线元件包括由导体形成的顶部构件（201），并且其下端设置在布置在接地表面（205）处的同轴连接器的馈电线（204）处; 中心构件（202），其直立设置在所述顶部构件上，并且其直径小于所述顶部构件的直径，并且由导体形成; 端盖构件（203），其布置在中心构件的顶部并由直径大于中心构件的直径的导体形成。 端盖构件在端帽构件的电气长度短的状态下形成共振频率。

公开(公告)号：KR1020020051591A

公开(公告)日：2002-06-29

申请号：KR1020000080987

申请日：2000-12-23

Applicant: 한국전자통신연구원

Inventor： 윤재훈 ,  이태윤 ,  최재익

IPC: G01R29/08

Abstract: PURPOSE: A system and a method for measuring a power pattern and a total radiated power using a Y TEM cell are provided, which measures the total radiated power and the power pattern without a direction variation of a test object to be tested using the Y TEM cell. CONSTITUTION: In the power pattern measurement system, a Y TEM cell includes a rotation table where a test object to measure its power pattern is placed, and has more than two ports on its both sides to measure the power pattern. The first 180 deg. hybrid coupler obtains a difference of two signals by receiving a power difference of two random ports among ports installed in one side of the Y TEM cell. The second 180 deg. hybrid coupler obtains a difference of two signals by receiving a power difference of two random ports among ports installed in another sides of the Y TEM cell. A 0 deg. hybrid coupler adds the signal differences obtained from the first and the second 180 deg. hybrid coupler. And a computer calculates the total radiated power and the power pattern by using the signals obtained from the three hybrid couplers.

Abstract translation: 目的：提供一种使用Y TEM单元测量功率图案和总辐射功率的系统和方法，其测量总辐射功率和功率图，而不使用Y TEM测试的测试对象的方向变化 细胞。 构成：在功率模式测量系统中，Y TEM单元包括放置测试其功率图案的测试对象的旋转台，并且在其两侧具有多于两个端口以测量功率图案。 前180度 混合耦合器通过接收安装在Y TEM单元一侧的端口中的两个随机端口的功率差来获得两个信号的差。 第二个180度 混合耦合器通过接收安装在Y TEM单元的另一侧的端口中的两个随机端口的功率差来获得两个信号的差异。 A 0度 混合耦合器增加从第一和第二180度获得的信号差。 混合耦合器。 并且计算机通过使用从三个混合耦合器获得的信号来计算总辐射功率和功率模式。

公开(公告)号：KR100323584B1

公开(公告)日：2002-02-19

申请号：KR1019990017299

申请日：1999-05-14

Applicant: 한국전자통신연구원

Inventor： 유기석 ,  강상기 ,  최재익 ,  채중석

IPC: H03G5/16

CPC classification number: H03F1/3229

Abstract: 본발명은적응형피드포워드선형증폭기내주 신호성분및 왜곡신호성분이나타나도록주파수대역을각각지정하는 PLL1과 PLL2가적응형제어기에연결되고, 이적응형제어기가주 신호제거루프인제1 가변위상변환기및 제1 가변감쇠기(P1, A1)와에러신호제거루프인제2 가변위상변환기및 제 2 가변감쇠기(P2, A2)의제어전압을적응적으로최적제어하기위한방법이다. 그방법은파라메터초기화후 입력신호의세기를읽어상기 A1, A2, P1, P2의각 초기최적제어전압을결정하고서해당제어전압을출력한후, 상기 PLL1를세트하고상기주 신호제거루프의주 신호세기(err(n))를읽는다. 그후, 주신호세기(err(n))가제 1 임계값보다크면 P1 및 A1의최적제어전압값을상기주 신호세기(err(n))가상기제 1 임계값보다작아질때까지조절하여결정한다. 그리고주 신호세기가제 1 임계값보다작으면그 주신호세기와왜곡신호세기의차를구한다. 구해진차가제 2 임계값보다작으면상기 P2 및 A2의최적제어전압값을상기차가제 2 임계값보다커질때까지조절한다. 따라서, 제어기의최적제어값에대한초기치를사전에측정된최적제어값을입력신호세기의크기에따라주도록하여서, 빠른최적신호로의접근과알고리즘의안정도를높이고, 수정된 LMS 방식은알고리즘의수렴(Convergence)이확실하게보장된다.

公开(公告)号：KR100313429B1

公开(公告)日：2001-12-28

申请号：KR1019980051103

申请日：1998-11-26

Applicant: 한국전자통신연구원

Inventor： 강상기 ,  유기석 ,  최재익

IPC: H03F1/32

Abstract: 본 발명은 사전 왜곡기에 관한 것이며, 특히, 삽입 손실을 제거하여 버퍼 증폭기와 같은 부가 증폭기나, 최종단 전력 증폭기의 이득을 증가시키는 부수 회로를 사용하기 않도록 하는 삽입 손실을 갖지 않는 FET 사전 왜곡기를 제공하는 데 그 목적이 있다.
본 발명에 따르면, 입력단에 연결되어 정합 기능을 제공하기 위한 제1 정합 수단; 상기 제 1 정합 수단으로부터 입력되는 신호를 사전 왜곡하고, 증폭하기 위한 증폭 수단; 상기 증폭 수단에 귀환 신호를 출력하여 상기 증폭 수단의 이득값을 조정하기 위한 귀환 수단; 및 상기 증폭 수단에 연결되어 외부에 연결되는 회로와 정합을 제공하기 위한 제2 정합 수단을 포함하여 이루어진 사전 왜곡기가 제공된다.

公开(公告)号：KR1020010047172A

公开(公告)日：2001-06-15

申请号：KR1019990051269

申请日：1999-11-18

Applicant: 한국전자통신연구원

Inventor： 이재욱 ,  송명선 ,  정영준 ,  최재익

IPC: H01P1/207

Abstract: PURPOSE: A cylindrical waveguide filter having cores and resonant stubs is provided to allow a user to achieve desired filter characteristics(for example, amplitude response and group delay) by serially connecting several filters. CONSTITUTION: A plurality of resonant stubs(8,16) are coaxial with a cylindrical waveguide(5) used as a transmission line, and are externally projected as a disk shape. A plurality of cores(1) are positioned along the center axis of the cylindrical waveguide(5), and are acted as a filter by the coupling with the plurality of resonant stubs(8,16). Both terminated parts of the cylindrical waveguide(5) comprises contacts for inserting connectors used as junction points when the cylindrical waveguide(5) are connected with multi stage.

Abstract translation: 目的：提供具有芯和谐振短截线的圆柱形波导滤波器，以允许用户通过串联连接多个滤波器来实现期望的滤波器特性（例如振幅响应和组延迟）。 构成：多个谐振短截线（8,16）与用作传输线的圆柱形波导（5）同轴，并且外部投影为盘形。 多个芯（1）沿着圆柱形波导（5）的中心轴定位，并通过与多个谐振短截线（8,16）的耦合而用作滤波器。 当圆柱形波导（5）与多级连接时，圆柱形波导（5）的两个端接部分包括用于插入用作连接点的连接器的触点。

公开(公告)号：KR1020000073788A

公开(公告)日：2000-12-05

申请号：KR1019990017299

申请日：1999-05-14

Applicant: 한국전자통신연구원

Inventor： 유기석 ,  강상기 ,  최재익 ,  채중석

IPC: H03G5/16

CPC classification number: H03F1/3229

Abstract: PURPOSE: A method for optimally controlling adaption type feedforward linear amplifier is provided to calculate the optimal controlling voltage quickly and to stabilize the algorithm regardless of the change of the surroundings. CONSTITUTION: A method for optimally controlling adaption type feedforward linear amplifier comprises the steps of; initiating the parameter(101); reading the strength of input signal(102); deciding the optimal controlling voltage of A1, P1, A2 and P2(103); outputting the optimal controlling voltage of A1, P1, A2 and P2(104); setting the PLL1(105); reading the strength(err(n)) of master signal(106); regulating the optimal controlling voltage of P1 and A1 until the strength(err(n)) of master signal is smaller than the first threshold value(TH1), if the strength(err(n)) of master signal is larger than the first threshold value(TH1)(107,108); obtaining the difference of the strength(err(n)) of master signal and the strength of distortion signal, if the strength(err(n)) of master signal is smaller than the first threshold value(TH1)(107,114-118); and regulating the optimal controlling voltage of P2 and A2 until the difference is larger than the second threshold value(TH2), if the obtained difference is smaller than the second threshold value(TH2)(119,120,121).

Abstract translation: 目的：提供一种用于最佳控制适应型前馈线性放大器的方法，以快速计算最佳控制电压，并稳定算法，而不考虑周围环境的变化。 构成：一种用于最佳控制适应型前馈线性放大器的方法，包括以下步骤： 启动参数（101）; 读取输入信号（102）的强度; 决定A1，P1，A2和P2（103）的最佳控制电压; 输出A1，P1，A2和P2（104）的最佳控制电压; 设置PLL1（105）; 读取主信号（106）的强度（err（n））; 调整P1和A1的最佳控制电压，直到主信号的强度（err（n））小于第一阈值（TH1），如果主信号的强度（err（n））大于第一阈值 值（TH1）（107108）; 如果主信号的强度（err（n））小于第一阈值（TH1）（107,114-118），则获得主信号的强度（err（n））和失真信号的强度的差异。 并且如果所获得的差值小于第二阈值（TH2）（119,120,121），则调节P2和A2的最佳控制电压直到该差值大于第二阈值（TH2）。