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脉冲信号数字滤波以及无缝计数电路设计

更新时间:2020-06-12 01:12:36 大小:308K 上传用户:zhiyao6查看TA发布的资源 标签:数字滤波 下载积分:5分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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惯导产品输出脉冲信号存在干扰信号,为减少其对惯导产品性能的影响,文中设计了一种基于FPGA的脉冲信号数字滤波器,并对滤波后脉冲信号以5ms为计数单元进行无缝计数,计数结果可由串行总线上传至上位机进行显示和处理.通过该方法测量的惯导产品输出脉冲信号频率最高可达13MHz,其中可对频率范围为50kHz~12.5MHz的干扰信号进行滤除,满足惯导产品性能测试要求.

There are random interfering signals in the output pulse signal of inertial navigation components.In order to reduce the impact of interfering signals on the performance of inertial navigation component,a FPGA-based pulse signal digital filter is designed,and a seamless count is implemented for the filtered pulse signal once evey 5 ms.The count results is sent to host computer by serial bus to display and process.After a long period of system testing,output pulse signal frequency of inertial navigation components reaches up to 13 MHz by the method.It filteres interference signal in the range of 50 kHz~12.5 MHz,which meets the test requirements.

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脉冲信号数字滤波以及无缝计数电路设计.pdf 308K

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