Making an approach to the analog filter in seismometers.;
探讨地震仪器中的模拟滤波器
Field test of the drill-bit vibration signal detection using portable seismometers;
流动地震仪检测钻头振动信号的现场试验
Automatic first arrival picking of GDZ24 seismometer;
GDZ24地震仪初至时间的自动拾取
Monitoring of record parameters in seismograph.;
地震仪记录参数监控方法
Working principles of the power circuit in R24 shallow seismograph and maintenance.;
R24浅层地震仪电源电路工作原理及维修
Simultaneous data acquisition of seismograph;
地震仪器数据采集同步技术
For modern seismographs, not only the used operation system software platform is stored and installed in hard disk, but also the acquired seismic data are directly stored in hard disc for some seismograph system.
硬盘及其系统的任何故障,都可能会造成计算机系统,乃至整个地震仪器系统工作的瘫痪,由于各种不同原因而造成的硬盘数据文件的丢失就是其中比较严重的故障和问题。
The paper pointed out the basic technical requirement of high-density seismic acquisition for seismograph,summarized the property and technical feature of several current advanced seismographs as well as the situation using these seismographs for high-density exploration in China.
本文分析了高密度地震采集对地震仪器的基本技术要求,总结了目前几种先进的地震勘探仪器的性能和技术特点,以及国内使用这几种仪器进行高密度勘探的情况。
In order to prove the rationality of low noise design of data acquisition module in broadband seismic recorder from the noise theory aspect,the equivalent E_n-I_n noise model theory and the calculated method of noise were adopted t o analyze and calculate the noise in data acquisition channel.
为了从噪声理论角度验证宽频地震仪数据采集通道低噪声设计的合理性,采用等效En-In噪声模型理论和噪声的计算方法,对数据采集通道的固有噪声进行了分析与计算。
Absorption and attenuation of stratum and recording performance of seismic instrument.;
地层吸收衰减与地震仪器记录性能
They are the key means for verificating and calibrating seismic apparatus and device periodically to ensure the accuracy of measurement data and guarantee the quality of seismic instrument product.
检定与校准是评定测量器具、装置是否满足预期要求的两种方法,对地震测量器具、装置进行周期检定或者校准是确保测量数据正确,保证地震仪器产品质量的一个重要手段。
The software in NZ-24 seismograph often has failure in field construction and the restoration of software is a both tedious and time-consuming job.
NZ-24地震仪在野外施工时软件经常出现故障,要恢复软件既烦琐,又耗时。