航天器环境工程
航天器環境工程
항천기배경공정
SPACECRAFT ENVIRONMENT ENGINEERING
2013年
5期
550-554
,共5页
任春珍%贾世锦%刘浩淼%孙刚%季宇
任春珍%賈世錦%劉浩淼%孫剛%季宇
임춘진%가세금%류호묘%손강%계우
激光跟踪仪%交会对接%微波雷达%多径试验%精测
激光跟蹤儀%交會對接%微波雷達%多徑試驗%精測
격광근종의%교회대접%미파뢰체%다경시험%정측
laser tracker%rendezvous and docking%microwave radar%multi-radius test%alignment
交会对接微波雷达多径试验是在地面模拟两个飞行器在轨交会对接过程中由舱体表面及遮挡对微波信号造成反射干扰的一种试验,其目的是验证激光雷达系统功能及安装位置的合理性。在近20 m远的距离上,对飞行器舱体上的微波雷达天线和微波应答天线进行角度及距离的精确测量。文章通过对试验环境、测量项目分析及不同精测方案比对,采用激光跟踪仪直接测量舱体结构,获得了准确的基准数据,有助于指导微波雷达在飞船轨道舱上的精确安装和提高交会对接微波雷达多径试验的精度。激光跟踪仪首次应用于交会对接微波雷达多径试验,相比经纬仪在航天器基准测量中具有更大的优势。
交會對接微波雷達多徑試驗是在地麵模擬兩箇飛行器在軌交會對接過程中由艙體錶麵及遮擋對微波信號造成反射榦擾的一種試驗,其目的是驗證激光雷達繫統功能及安裝位置的閤理性。在近20 m遠的距離上,對飛行器艙體上的微波雷達天線和微波應答天線進行角度及距離的精確測量。文章通過對試驗環境、測量項目分析及不同精測方案比對,採用激光跟蹤儀直接測量艙體結構,穫得瞭準確的基準數據,有助于指導微波雷達在飛船軌道艙上的精確安裝和提高交會對接微波雷達多徑試驗的精度。激光跟蹤儀首次應用于交會對接微波雷達多徑試驗,相比經緯儀在航天器基準測量中具有更大的優勢。
교회대접미파뢰체다경시험시재지면모의량개비행기재궤교회대접과정중유창체표면급차당대미파신호조성반사간우적일충시험,기목적시험증격광뢰체계통공능급안장위치적합이성。재근20 m원적거리상,대비행기창체상적미파뢰체천선화미파응답천선진행각도급거리적정학측량。문장통과대시험배경、측량항목분석급불동정측방안비대,채용격광근종의직접측량창체결구,획득료준학적기준수거,유조우지도미파뢰체재비선궤도창상적정학안장화제고교회대접미파뢰체다경시험적정도。격광근종의수차응용우교회대접미파뢰체다경시험,상비경위의재항천기기준측량중구유경대적우세。
The system-level multi-radius test for the microwave radar is a ground environmental simulation test to verify the reflection disturbance to microwave signals from the surface and the blocking of two flight vehicles during their rendezvous. Its purpose is to validate the function of the laser radar system and its installation position. The test is carried out 20 meters away from the object vehicle, to measure precisely the angle and the distance of the microwave radar antenna and the microwave response antenna. According to the test environment and the measurement items, and by comparing different alignment schemes, the method of directly measuring the equipment structure’s very benchmark is proposed, which can provide correct reference data for improving the fix position of the microwave radar outside the orbit module of the spaceship, thus guarantee the precise measurement of the microwave system in China’s first space rendezvous mission.