2010-10题录英译集**********************************************************************************反舰导弹最优末端变轨机动策略武志东1,顾文锦2,毕兰金1,张培珍1(1.海军航空工程学院研究生3队,山东烟台264001;2.海军航空工程学院控制工程系,山东烟台264001)摘要:为了在与水面舰艇攻防对抗过程中获得较好的突防效果,对反舰导弹最优末端变轨机动策略进行研究。首先对水面舰艇的反导防御体系进行建模,研究反舰导弹和舰空导弹的攻防对抗过程,然后在此基础上研究反舰导弹的机动突防方法,最后以拦截弹平均脱靶量最小为评价指标选择最优的末端变轨机动突防策略。实例证明,采用该策略能使反舰导弹取得最佳突防效果。关键词:反舰导弹;末端机动;最优策略OptimalVariable-TrajectoryTacticofTerminalManeuverforAnti-ShipMissileWuZhidong1,GuWenjin2,BiLanjin1,ZhangPeizhen1(1.No.3BrigadeofGraduate,NavalAeronautical&AstronauticalUniversity,Yantai264001,China;2.Dept.ofControlEngineering,NavalAeronautical&AstronauticalUniversity,Yantai264001,China)Abstract:Inordertoacquiretheoptimalpurposeinshipcounterwork,researchtheoptimalendvariable-trajectorytacticofanti-shipmissile.Firstly,themodelisbuiltforanti-missiledefensesystemofwarship,andhasresearchedtheattack-defensecounterminecourseofanti-shipmissileandship-airmissile.Basedonthis,theterminalmaneuvermethodofanti-shipmissileisgiven.Atlast,thepenetrationtacticoftheoptimalterminalmaneuverisconcludeaccordingtotheprincipleofminimalship-airmissile’saveragemissdistance.Theexperimentshowsthatthebestpenetrationeffectcanbegotwiththetactic.Keywords:anti-shipmissile;terminalmaneuver;optimaltactic**********************************************************************************接收相参雷达相干检波改进设计与仿真周亚飞1,赵修斌1,胡健生2(1.空军工程大学电讯工程学院,陕西西安710077;2.武警工程学院,陕西西安710086)摘要:为提高传统雷达信号处理系统的性能,提出雷达中频信号数字正交解调和相参信号的提取方法。对接收相参雷达相干检波进行改进研究,采用中频采样和数字正交解调代替模拟相干检波器,采用数字混频滤波提取发射信号初始相位,并采用某型接收相参雷达实际采集信号进行了仿真验证。仿真结果表明:改进后雷达信号处理效果有明显提升,改进方案对早期雷达数字化改造和现代雷达信号处理系统设计具有借鉴意义。关键词:接收相参雷达;中频采样;正交解调;混频滤波;数控振荡器QuadratureDemodulationImprovingDesignandSimulationforCoherent-on-ReceiveRadarZhouYafei1,ZhaoXiubin1,HuJiansheng2(1.CollegeofTelecommunicationEngineering,EngineeringUniversityofPLAAirForce,Xi’an710077,China;2.CollegeofArmedPoliceEngineering,Xi’an710086,China)Abstract:Inordertoimprovetheperformanceofsignalprocessingsystemintraditionalradar,theIFdigitalquadraturedemodulationandthecoherentsignalgettingmethodisintroducedTheimprovingmethodofcoherentdetectionforcoherent-on-receiveradarisstudied,analogcoherentdetectorisreplacedbyIFsamplinganddigitalquadraturedemodulation,digitalmixerandfilterisusedtogettheoriginalphaseoftransmittingsignal.Simulationismadewithrealsignalofcoherent-on-receiveradar,andtheresultindicatesthatthesignalprocessingeffectisgreatlyimprovedandshowsthatthisnewmethodisvaluableforthedigitalupdateofsomeearlystageradarandthedesignofmodernradarsignalprocessingsystem.Keywords:coherent-on-receiveradar;IFsampling;quadraturedemodulation;mixerandfilter;numericalcontrolledoscillator**********************************************************************************舰载机进舰过程舰尾流仿真建模陶杨1,侯志强2,贾忠湖2(1.海军航空工程学院研究生管理大队...