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ID:36638197
大小:1.92 MB
页数:79页
时间:2019-05-13
《现代测试技术中的采样非均匀性问题理论研究与分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、电子科技大学博士学位论文现代测试技术中的采样非均匀性问题理论研究与分析姓名:何丕雁申请学位级别:博士专业:测试计量技术及仪器指导教师:陈光(礻禹)2001.7.6电子科技大学博士论文度上对信号采样的影响,并推导出均值、方差、信噪比等参数从统计角度分析了对同一信号多次采样时,时间抖动分布概率密度函数与信号频谱之间的关系。4.随着工程应用中对信号实时处理愈来愈高的要求,近年来,在许多实时采样系统中,为利用现有的低速A/D实现超高速数据采集,采用了前端并行采样,后端串行多路复用技术,或称为多路AID交替采样技术。作者对其中所存在的非均匀采样问题
2、进行讨论并推导了该模型采样信号频谱结构并研究了这种模型下周期信号采样的重建问题。仨键词:非均匀采样,时基偏差,时间抖动,信号重建,自适应迭代Ⅱ摘要AbstractWiththedevelopmentofscientiticinstrumentandtechnical.digitalinstrumentsjasbeenusedinmoreandmorefields.ithasbeenattachedmoreimportancetosignalsamplingandsignalprocessing.Thenonuniformlysampled
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