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一种新型微破裂信号并行采集电路的设计与实现

更新时间:2020-10-24 01:29:40 大小:622K 上传用户:zhengdai查看TA发布的资源 标签:电路设计 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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基于STM32微处理器,以CirrusLogic公司的CS3301A,CS5372A,CS5376A相组合,利用以太网传输技术,设计了一种新型微破裂信号并行采集电路.该电路主要由可编程增益放大器、24位△-∑A/D转换器、多功能数字滤波器组成,具有动态范围宽、信噪比高、道间串扰小,功耗低等优点.其采样率可在1-4ksps范围内可调.解决了单通道采集电路中存在的拾震能力不强、波形不全面等问题.野外测试表明该电路采集的波形很好,在微震监测中具有可靠的应用性.

Based on the STM32 microprocessor, to make Cirrus Logic' s CS3301A, CS5372A,CS5376Acombined, and using Ethernet transmission technology to design a new type micro burst signal collectioncircuit in parallel. The circuitmainly consists of a programmable gain amplifier, 24 A - EA / D converter, multi-function digital filter, it has a wide dynamic range,high signal to noise ratio,crosstalk between channels small andlow power consumption characteristics. The sampling rate can be adjusted within a range of 1 -4 ksps. to solve theproblems which are the capability of picking up shock is not strong and the waveform is not comprehensive in single-channel. Field tests show that the circuit can acquire good waveforms, and ...

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