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MEMS电子听诊器信号采集传输系统

更新时间:2020-10-28 09:18:10 大小:2M 上传用户:zhengdai查看TA发布的资源 标签:mems电子听诊器 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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针对心音信号与MEMS电子听诊器声传感特点,设计了一种应用于该传感器的信号调理、采集传输系统,带宽为20 Hz~1 kHz。该系统以stm32和hc-05蓝牙模块为控制核心实现信号的采集与传输,将信号经过处理得到有效的心音信号并发送至上位机。并通过上位机实时显示波形。系统测试过程中,将声传感器采集到的心音信号通过电路系统处理并发送至上位机,并通过上位机对信号进行显示,测试结果表明:该系统工作稳定,可精确测量心音信号。

According to the characteristics of heart sound signal and sound sensor of MEMS electronic stethoscope,a kind of signal acquisition and storage system was designed,with a bandwidth of 20 Hz~1 kHz.The system uses the stm32 and hc-05 Bluetooth modules as the control core to realize the signal acquisition and transmission,and the signal is processed to obtain an effective heart sound signal and sent to the upper computer.And the waveform is displayed in real time through the host computer.During the system test,the heart sound signal collected by the sound sensor is processed by the circuit system and sent to the superior machine.The signal is displayed by the upper computer.The test results show that the system works stably and can accurately measure the heart sound signal.

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MEMS电子听诊器信号采集传输系统.pdf 2M

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