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公开(公告)号:KR101081605B1
公开(公告)日:2011-11-08
申请号:KR1020090100852
申请日:2009-10-22
Applicant: 한국항공우주연구원
IPC: H04W24/02
Abstract: 본발명은버스트의채널품질추정을향상시키는방법에관한것으로서, 수신된버스트의데이터구간신호를등화시에최적의경로로부터계산되는 BPM(Best Path Metric) 값들을합하여 BPMS(Best Path Metric Sum) 값을획득하는 BPMS 획득단계; 및, 변조방식에따라실험적으로얻어지는다수의 BPMS 값과상기 BPMS 값에각각대응하는 uncoded BER 값의상관관계로부터, 상기 BPMS 획득단계에서획득되는 BPMS 값에대응하는 BEP 값을추정하는 BEP 추정단계를포함하는것을특징으로하여, 훈련신호의양단의데이터를등화하여얻을수 있는 BPMS 값을이용하여 BEP를추정함으로써, 각각의버스트마다실제데이터의정확한채널품질을추정하여채널상태를신뢰성있게예측할수 있는현저한효과가있다.
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公开(公告)号:KR1020110074016A
公开(公告)日:2011-06-30
申请号:KR1020090130848
申请日:2009-12-24
Applicant: 한국항공우주연구원
CPC classification number: B64G1/222 , B64G2001/224
Abstract: PURPOSE: An opening and holding apparatus of the body panel of a satellite is provided to open the body panel of the satellite by the change of an opening angle freely without operation of a crane and maintain the opened state. CONSTITUTION: An opening and holding apparatus of the body panel of a satellite comprises a strong back(100), a frame(200), an interface bracket(300) and a rotating device(400). The strong back is mounted by fastening of a fixing bolt(101) to an interface hole, which is formed on the front of the body panel(1). The frame is mounted on a rotating shaft on one side of the body panel through fixing pieces(210). The interface bracket connects the strong back and the frame. The interface bracket is installed so that the height and gap of the strong back to the frame are corrected. The rotate device comprises a fixing unit(410) and a hinge unit(420). The fixing unit is coupled to the handling point(10) of the satellite and fixes the rotating shaft.
Abstract translation: 目的:提供卫星身体面板的开放保持装置,通过自由地改变开放角度来打开卫星的身体面板,而不需要起重机的操作,并保持打开状态。 构成:卫星的身体面板的开放保持装置包括强背部(100),框架(200),接口支架(300)和旋转装置(400)。 通过将固定螺栓(101)紧固到形成在车身板(1)的前部上的接口孔来安装坚固的后背。 框架通过固定件(210)安装在主体面板一侧的旋转轴上。 接口支架连接强背和框架。 安装接口支架,使得强回到框架的高度和间隙得到纠正。 旋转装置包括固定单元(410)和铰链单元(420)。 固定单元联接到卫星的操作点(10)并固定旋转轴。
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公开(公告)号:KR101077535B1
公开(公告)日:2011-10-27
申请号:KR1020090120487
申请日:2009-12-07
Applicant: 한국항공우주연구원
Abstract: 본발명에의하면, 인공위성에탑재된안테나의전개시험시 안테나의자중을지지하여완벽한무중력상태를구현할수 있어인공위성탑재안테나전개시험의신뢰성및 정확성을높일수 있는효과가있다.
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公开(公告)号:KR101145953B1
公开(公告)日:2012-05-15
申请号:KR1020090130848
申请日:2009-12-24
Applicant: 한국항공우주연구원
Abstract: 본 발명은 인공위성의 조립작업용 몸체패널을 용이하게 안전하게 전개하고 고정하기 위한 인공위성 몸체 패널의 전개 및 고정장치에 관한 것으로, 상기 장치는, 상기 몸체패널에 장착되는 스트롱 백; 고정편을 통해서 상기 몸체패널의 일측에 구비된 회전축에 장착되는 프레임; 상기 스트롱 백과 상기 프레임을 연결시켜주되 상기 스트롱 백의 높이 및 위치 간격이 보정될 수 있도록 하는 인터페이스 브라켓; 인공위성의 핸들링 포인트와 상기 프레임의 고정편에 결합되어서 상기 스트롱 백의 회전운동을 발생시키는 회전장치; 상기 고정부에 착설되어서 상기 몸체패널의 전개 이후에 회전 위치를 고정시켜주는 록킹 부재; 및 상기 몸체패널이 전개되었을 때 하향 처짐현상을 방지해주는 처짐방지 지지대를 포함하며, 인공위성 조립과정에서 빈번히 요구되는 몸체패널의 전개 및 장착을 보다 편리하고 안전하게 수행할 수 있게 하는 효과를 제공한다.
인공위성, 몸체패널, 스트롱 백, 핸들링 포인트, 인터페이스 브라켓-
公开(公告)号:KR1020110064062A
公开(公告)日:2011-06-15
申请号:KR1020090120487
申请日:2009-12-07
Applicant: 한국항공우주연구원
CPC classification number: B64G7/00 , B64G2700/66 , H01Q1/28
Abstract: PURPOSE: A weightlessness offering apparatus for testing the deployment of an antenna installed on a satellite is provided to improve the reliability and accuracy of an antenna deployment test by supporting the weight of an antenna to create a perfect weightless condition. CONSTITUTION: A weightlessness offering apparatus for testing the deployment of an antenna installed on a satellite comprises a base frame(100), a fixing shaft(200), a support beam(300), first and second sliding units(400,700), a rotating unit(500), a support cable(600), and a bracket(800). The fixing shaft is vertically installed on the top of the base frame. The support beam is horizontally formed on the top of the fixing shaft. The first slide unit is installed on the top of the support beam and slid in the horizontal and vertical direction of the support beam. The rotating unit is installed on the top of the slide unit and allowed to rotate. The second slide unit is formed in the bottom of the support cable and slid in the horizontal and vertical direction. The bracket is formed on the bottom of the second slide unit and coupled with an antenna.
Abstract translation: 目的:提供一种用于测试安装在卫星上的天线部署的失重提供装置,以通过支持天线的重量来提高天线部署测试的可靠性和准确性,从而创建完美的无重量状态。 构成:用于测试安装在卫星上的天线部署的失重提供装置包括基架(100),固定轴(200),支撑梁(300),第一和第二滑动单元(400,700),旋转 单元(500),支撑电缆(600)和支架(800)。 固定轴垂直安装在基架的顶部。 支撑梁水平地形成在固定轴的顶部上。 第一滑动单元安装在支撑梁的顶部并且在支撑梁的水平和垂直方向上滑动。 旋转单元安装在滑块单元的顶部并允许旋转。 第二滑动单元形成在支撑电缆的底部并且在水平和垂直方向上滑动。 支架形成在第二滑动单元的底部并与天线耦合。
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公开(公告)号:KR1020110074021A
公开(公告)日:2011-06-30
申请号:KR1020090130853
申请日:2009-12-24
Applicant: 한국항공우주연구원
CPC classification number: B64G5/00
Abstract: PURPOSE: A device for holding and handling the body panel of a satellite is provided to improve the efficiency and stability of an assembling process since the body panel of the satellite can be easily and stably mounted on a mounting surface. CONSTITUTION: A device for holding and handling the body panel of a satellite comprises a strong back, a lifting tool(20) and a trolley(30). The strong back is coupled to the body panel of the satellite. The lifting tool lifts and moves the strong back using a plurality of lifting strings(22). The trolley enables the strong back moved through the lifting tool to be mounted. The trolley rotates the mounted strong back.
Abstract translation: 目的:提供一种用于保持和处理卫星的身体面板的装置,以提高组装过程的效率和稳定性,因为卫星的身体面板可以容易且稳定地安装在安装表面上。 构成:用于保持和处理卫星的身体面板的装置包括强背,提升工具(20)和手推车(30)。 强大的后背连接到卫星的车身面板。 提升工具使用多个提升绳(22)升起并移动强力后背。 手推车使强力后背能够移动通过提升工具进行安装。 手推车旋转安装的强力背部。
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公开(公告)号:KR1020110064061A
公开(公告)日:2011-06-15
申请号:KR1020090120486
申请日:2009-12-07
Applicant: 한국항공우주연구원
Abstract: PURPOSE: A deflection compensation system for a satellite is provided to prevent the deflection of a satellite by supporting the satellite on a bogie for rotating the satellite. CONSTITUTION: A deflection compensation system for a satellite comprises a main body(310) which has a through hole(311) and is installed on a bogie for rotating a satellite, a screw(312) which is inserted and slid in the through hole, a worm wheel which is formed inside the main body and engaged with the screw, a worm which is formed inside the main body and engaged with the worm wheel, a handle(315) which is connected to the worm to rotate the worm, and a bracket(320) which is installed on the top of the screw and coupled with a satellite.
Abstract translation: 目的:提供一种用于卫星的偏转补偿系统,以通过将卫星支撑在用于旋转卫星的转向架上来防止卫星的偏转。 构成:用于卫星的偏转补偿系统包括具有通孔(311)并安装在用于旋转卫星的转向架上的主体(310),在通孔中插入和滑动的螺钉(312) 蜗轮,其形成在主体内部并与螺钉接合,蜗杆形成在主体内并与蜗轮啮合;手柄(315),其与蜗杆连接以旋转蜗杆;和 支架(320),其安装在螺钉的顶部并与卫星耦合。
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公开(公告)号:KR101167770B1
公开(公告)日:2012-07-24
申请号:KR1020090130853
申请日:2009-12-24
Applicant: 한국항공우주연구원
Abstract: 본 발명은 고중량의 탑재물이 장착된 인공위성의 몸체패널을 장착하고 핸들링하기 위한 인공위성 몸체패널 장착 및 핸들링장치에 관한 것으로, 상기 장치는, 인공위성의 몸체패널과 결합되는 스트롱 백; 크레인과는 다수 개의 슬링으로 결합되어서 다수 개의 리프팅 줄을 이용하여 상기 스트롱 백을 들어올려 이동시키는 리프팅 치구; 및 상기 리프팅 치구를 통해 이동된 스트롱 백이 안착되게 하며, 안착된 스트롱 백을 회전시키는 트롤리;를 포함하며, 인공위성의 조립 작업시 몸체패널을 장착면에 용이하고 안정적으로 장착할 수 있게 함으로써 조립작업의 효율성 및 안정성을 크게 개선시키는 효과를 제공한다.
인공위성, 몸체패널, 스트롱 백, 탑재물, 리프팅 치구, 트롤리-
公开(公告)号:KR1020110044042A
公开(公告)日:2011-04-28
申请号:KR1020090100852
申请日:2009-10-22
Applicant: 한국항공우주연구원
IPC: H04W24/02
Abstract: PURPOSE: A method for improving channel quality of burst is provided to presume BEP through a BPMS value which is obtained from an optimum path and to reliably pedict a channel state. CONSTITUTION: A BPMS(Best Path Metric Sum) value is acquired from a BPM(Best Path Metric) value(30). A lookup table is composed according to a modulation mode(42). An acquired BPMS value is compared with a BPMS value on a lookup table(44). If the BPMS value on the lookup table exists, a BEP value corresponding to the BPMS value is converted in a linear scale(45,46).
Abstract translation: 目的:提供一种提高突发信道质量的方法,通过从最佳路径获得的BPMS值来确定BEP,并可靠地计算信道状态。 构成:从BPM(最佳路径度量)值(30)获取BPMS(最佳路径度量值)值。 根据调制模式(42)构成查找表。 将获取的BPMS值与查找表上的BPMS值进行比较(44)。 如果查找表上的BPMS值存在,则与BPMS值相对应的BEP值以线性比例转换(45,46)。
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公开(公告)号:KR101027789B1
公开(公告)日:2011-04-07
申请号:KR1020090126606
申请日:2009-12-18
Applicant: 한국항공우주연구원
Abstract: PURPOSE: A trolley with an artificial satellite for mounting an antenna is provided to support an antenna mounted in an artificial satellite to horizontally or vertically slide and rotate and swing in multi directions, thereby accurately assembling the antenna with the artificial satellite. CONSTITUTION: A trolley(200) with an artificial satellite for mounting an antenna is composed of a base frame(210), a horizontal moving unit(220), a support frame(230), a vertical moving unit(240), a rotating unit(250), a swinging unit, a linear moving unit, and a bracket(280). A plurality of transfer wheels(211) is formed in the lower part of the base frame. The lengths of support members(212) are adjusted in the lower part of the base frame. A vertical plate(244) is vertically combined with a second screw(241). The rotating unit includes a rotating shaft(251) and a rotating plate(252). A speed reducing device is placed between the rotating shaft and a handle.
Abstract translation: 目的:提供用于安装天线的人造卫星的手推车,以支撑安装在人造卫星中的天线,以水平或垂直方向滑动并在多个方向上旋转和摆动,从而将天线精确地组装在人造卫星上。 构成:具有用于安装天线的人造卫星的手推车(200)由基架(210),水平移动单元(220),支撑框架(230),垂直移动单元(240),旋转 单元(250),摆动单元,线性移动单元和支架(280)。 在基架的下部形成有多个传送轮(211)。 支撑构件(212)的长度在基架的下部被调节。 垂直板(244)与第二螺钉(241)垂直组合。 旋转单元包括旋转轴(251)和旋转板(252)。 减速装置设置在旋转轴和把手之间。
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