文档介绍：摘要
随着地震勘探技术的发展和勘探要求的提高,地震勘探仪器也从模拟光点记录
仪器发展成网络全数字化仪器,电子、通信等技术的不断发展为仪器的不断升级提
供了可能。当前广泛采用 24 位Σ-△型 ADC 技术的地震仪器都可以满足高精度勘探
要求,但随着实际勘探任务和方式的需求变化,研制符合任务需求的灵活便捷、稳
定可靠的仪器成为必需。本课题根据实际应用需求,设计一种数据采集传输控制系
统,实现小震级地震数据的采集、存储与传输。
本文根据系统的应用需求,给出系统主要功能技术指标,并提出系统总体方案,
该方案包括数采传输控制系统,远程监控系统和两个系统间的数据无线传输组网方
案。根据数采传输控制系统功能需求分析,选取合适的各功能模块主器件,硬件设
计方面,对主控 MCU C8051F020 接口资源进行分配,给出数据采集、GPS 授时、数
据存储、显示功能模块的电路设计,以及印制电路板设计;软件设计方面,介绍了
软件集成开发环境,设计软件总体结构,给出数据采集、GPS 授时、无线通信等功
能模块软件设计流程。最后,对数采传输控制系统进行硬件和软件功能测试,给出
测试方法和测试结果,并提出改进建议。
实验结果表明,数采传输控制系统较好的实现各项主要功能,并将应用于实际
测量任务。
关键词:数据采集无线传输 Cygnal 单片机显示存储
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Abstract
With the development of the seismic prospecting technology and the increase of
seismic prospecting request, and because of the development of electronics and
communication technology, the seismic prospecting equipment has changed from analog
recording equipment to work equipment. Nowadays, the popular seismic
prospecting equipment with 24 bit Sigma-Delta ADC technology fits the high resolution
request, developing a equipment which is flexible, convenient and stabile for tasks is
necessary because of the change of the seismic prospecting request. According to the
actual application request, this research is aimed to design a data acquisition transmission
controlling system to realize the small signal seismic data acquisition, storage and
transmission.
According to the application request of the system, this thesis gives the primary
function goals and the whole design scheme, including data acquisition transmission
controlling system, long-distance monitor system and the wireless transmission design
scheme. Then choose the proper chip of each function part according to the functional
request analysis. In terms of hardware design, gives the C8051F020 MCU resource design
scheme, the primary function circuit design including data acquisition, GPS timing, data
storage and so on, and PCB design. In terms of software design, introduces