An introduction of anti-jamming technology of long distance data transmission
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摘要: 研究高温高压高湿环境下，长距离数据传输抗干扰技术，设计有效的数据传输方式，组建稳定高效的传输系统是井下甚宽频带地震仪研制项目的重要环节。长距离数据传输抗干扰技术研究进展主要包括：低功耗、小型化、高分辨率、大动态范围的数据采集核心模块，传输抗干扰技术，数据传输协议及高精度授时等。Abstract: Studying the anti-jamming technology of long distance data transmission in the environment of high temperature, high pressure and high humidity; designing an effective data transmission method; and establishing a stable and efficient transmission system are important for the project of developing downhole very broadband seismograph. The progress of anti-jamming technology of long distance data transmission mainly includes: the data acquisition module with low power consumption, miniaturization, high resolution, and large dynamic range; transmission anti-jamming technology; data transmission protocol; and high-precision timing.
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图 1 地震仪系统总控图
Figure 1. The illustration graph of general control system of seismograph
图 2 地震数据采集器样机PCB实物图
Figure 2. The printed circuit board (PCB) of a prototype of data acquisition module
图 3 井下综合观测仪器示意图
Figure 3. Illustration graph of downhole integrated seismic observation instrument
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