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块相位估计-Block Phase Estimation(BPE)取代了传统的锁相环(PLL)结构,以取模 (Modulo)运算为基础,而且使用创新的平均器,既简化了算法结构,又大大方便于硬件实现,同时为芯片设计提出了新的思路;但国内研究较少,资料极其匮乏;文章在对BPE的原理与结构进行较为深入的介绍与分析的基础上,对BPE进行了由浅入深的仿真,解决了部分跟踪器-SECTOR TRACKER(ST)的问题,给出了部分仿真结果;最后,分析了BPE的优缺点,给出了改进的方法。-Block Phase
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:为有效减少大面积、多套干涉数据基线估计所需的地面控制点数量、降低接边处反演高程的差异,提出考虑干涉
相位偏置的犐狀犛犃犚区域网平差基线估计方法。采用中国科学院电子学研究所机载犐狀犛犃犚系统获取的多套干涉数据进行
了区域网平差基线估计试验,利用少量地面控制点完成了各套干涉数据的基线估计,减小接边处反演高程的差异,验证
该基线估计方法的有效性。-Baseline Estimation is important for deriving accurate heights in proce
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Abstract—In this paper, we study the joint estimation of inphase
and quadrature-phase (I/Q) imbalance, carrier frequency
offset (CFO), and channel response for multiple-input multipleoutput
(MIMO) orthogonal frequency division multiplexing
(O
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0下载:
Abstract—In this paper, we study the joint estimation of inphase
and quadrature-phase (I/Q) imbalance, carrier frequency
offset (CFO), and channel response for multiple-input multipleoutput
(MIMO) orthogonal frequency division multiplexing
(O
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Automatic quantification of regional left ventricular deformation in volumetric ultrasound data remains challenging. Many methods have been proposed to extract myocardial motion, including techniques using block matching, phase-based correlation, dif
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