设计方法进行了理论分析。结合工程应用中波形参数部分可调整的特点,选择以调整脉冲周期作为解决无杂波区参数调整的切入点,找到一条适合工程应用的无杂波区检测算法的解决方案。
参考文献:
[1]周启荣.步进频率探地雷达距离旁瓣抑制研究[D].长沙:国防科技大学,2008.
ZhouQirong.RangeSideLobeSuppressingofSteppedFrequencyGroundPenetratingRadar[D].Changsha:NationalUniversityofDefenseTechnology,2008.(inChinese)
[2]王雅,陶海红,代品品,等.基于多帧积累的海面弱小慢速目标检测算法[J].航空兵器,2018(2):43-48.
图3杂波抑制测速与调整PRI过程
Fig.3CluttersuppressingvelocitymeasurementandadjustingPRIprocess
WangYa,TaoHaihong,DaiPinpin,etal.WeakandSlowTargetsDetectionAlgorithmforSeaSurfaceBasedonMultipleFrameAccumulation[J].AeroWeapoy,2018(2):43-48.(inChinese)
[3]刘宁波,丁昊,田永华,等.基于组合分形特征的海杂波中目标检测方法[J].航空兵器,2018(2):38-42.
LiuNingbo,DingHao,TianYonghua,etal.TargetDetectionMethodinSeaClutterBasedonCombinedFractalCharacteristics[J].AeroWeapoy,2018(2):38-42.(inChinese)
[4]GillGS.SimultaneousPulseCompressionandDopplerProcessingwithStepFrequencyWaveform[J].ElectronicsLetters,1996,32(23):2178-2179.
[5]JeongHR,KimHT,KimKT.ApplicationofSubarrayAveragingandEntropyMinimizationAlgorithmtoSteppedFrequencyISARAutofocus[J].IEEETransactionsonAntennasandPropagation,2008,56(4):1144-1154.
[6]劉静,李兴国.毫米波高分辨率雷达运动补偿研究[J].现代雷达,2004,26(7):21-23.
LiuJing,LiXingguo.ResearchonMotionCompensationinMMWHighResolutionRadar[J].ModernRadar,2004,26(7):21-23.(inChinese)
[7]孔月玲,刘逸平.步进频率雷达目标运动补偿方法研究[J].火控雷达技术,2008,37(4):41-44.
KongYueling,LiuYiping.StudyonTargetMotionCompensationMethodsforSteppedFrequencyRadar[J].FireControlRadarTechnology,2008,37(4):41-44.(inChinese)
[8]刘峥,张守宏.步进频率雷达目标的运动参数估计[J].电子学报,2000,28(3):43-45.
LiuZheng,ZhangShouhong.EstimationofTargetMotionParameterinaSteppedFrequencyPulsesRadar[J].ActaElectronicaSinica,2000,28(3):43-45.(inChinese)
[9]蔡飞,樊世杰,范红旗,等.一种逆V频率步进雷达的速度估计方法[J].雷达科学与技术,2011,9(1):39-43.
CaiFei,FanShijie,FanHongqi,etal.ANovelVelocityEstimationMethodofInverseVShapeSteppedFrequencyRadar[J].RadarScienceandTechnology,2011,9(1):39-43.(inChinese)
[10]HillGS.StepFrequencyWaveformDesignandProcessingforDetectionofMovingTargetsinClutter[C]∥ProceedingsofIEEEInternationalRadarConference,1995:573-578.