地震仪

现在对于距一标定过的地震仪任何距离处的任何一个地震，都可用一个震级确定之。

Any earthquake at any distance from a calibrated seismograph is nowadays assigned a magnitude .

DFS-Ⅴ型数字地震仪数字AGC的理论分析与探讨

Discussion on the theory of the digital AGC of DFS-V digital seismograph

I/OSYSTEMTWO遥测地震仪在三维勘探中的应用

Application I / O System Two in 3 D seismic exploration

I/OImageSystem是我国从美国引进的最新型的遥测地震仪。

I / O Image System is the latest telemetry seismic instrument .

对数字地震仪B格式记录中两个间隙时间的分析

Examination of TMO gaps of digital seismic recorder whilst recording in seg-b format

利用钟控线路对三分向地震仪进行每日实时标定，本文介绍了LED标定器原理及使用方法。

This paper introduces the principle and using method of LED calibrator .

文中介绍了I/OsystemⅡ遥测地震仪与200系列编译码器，进行有线放炮时遇到的几个问题以及解决办法。

This paper introduces several problems met and how to solve them when using I / O system and sss-200 encoder / decoder to realize shooting down the cable .

SUMMIT地震仪常见电路故障的分析与修复

The common electric circuit troubles of the summit seismograph and their repairs

I/OSystemFour~（TM）VR全数字遥测地震仪SPS文件格式

SPS File format of I / O System Four ~ ( TM ) VR total - digital telemetry seismograph

DAS型轻便数字地震仪在野外观测中的运用及注意的有关问题

Application of das portable digital seismograph in field observation and some notice

而使用海底地震仪（OBS）进行广角反射地震测量，可较好地解决高阻抗层屏蔽问题，它是开展海上地质构造勘查的一种行之有效的方法。

Wide angle reflection seismic survey is a useful method to solve the problem .

IMAGE数字地震仪是目前世界上先进的地震仪之一，如何将它拥有的先进技术和功能开发出来应用于生产中，以满足新勘探技术的需要是非常重要的。

IMAGE system is one of the most advanced seismic instruments in the world . How to make best use of the advanced technology and function to meet the demand for new exploration technology is very important .

ARAMARIES是一套全新的网络化的遥测数据地震仪。

ARAM-ARIES is a new nel-link telemetry seismic data acquisition system .

ARA地震仪放大器在广州台的使用

The use of Ara seismograph amplifier in Guangzhou seismic station

由SK地震仪的尾波持续时间快速测定面波震级

Fast determination of surface wave magnitude m_s from duration of coda waves recorded by SK seismograph

ARA地震仪放大器是一种集成化的可以自动换档的地震仪放大器。

The seismic amplifier of ARA type is a integrated amplifier which can be shifted automatically .

DD1和DK1地震仪系统的零极点分布、动态特性与暂态响应

The zero-pole point distribution and the dynamic performance and the transient response of the DD-1 and DK-1 seismograph systems

混凝土桩基的动态无损检测用ES1225型浅层地震仪检测混凝土桩基质量的可行性研究

The Dynamic Nondestructive Inspection of Quality of the Pile Foundation & The Feasibility Research of the Nondestructive Inspection of Concrete Pile Foundation With ES-1225 Model Shallow Seismic Proffer

本文是ARA地震仪放大器在各种现用地震仪记录器上具体应用的系列文章之一。

This paper is one of the articles which describes the concrete application of ARA seismic amplifier on every kind of seismic recorder .

ARA的性能比分立元件组成的各类现用地震仪放大器性能有较大的提高。

Its performance score shows that the character of every kind of seismic amplifier which composed by the parts of ARA has increased greatly .

数字地震仪中的FDNR滤波器

FDNR filter in digital seismograph

408UL（XL）地震仪LCI板及野外设备软件的升级下载方法

408UL ( XL ) seismic instrument LCI board and the upgrading method about the software of the field equipment

从SN388看遥测地震仪的发展趋势

The Trend of Telemetry Seismic Instrument Development as Viewed from SN 388

遥测地震仪电线数字传输常采用的传输码型有：AMI、Manchester－Ⅱ、Miller、FSK等。教传电缆的特性和传输码型都是决定传输速率的重要因素。

The code applied in telemetry system usually are : AMl , Manchester - II Miller and FSK etc Both the characteristics of cable and the code are key factors to determine the transmission rate .

DFS-V数字地震仪去假频滤波器的前两级双T网络中，由于C4电容的存在，使得对称双T网络的传递特性发生了重大变化。

Added a capacitor C_4 respectively , two initial twin T network s in the antialias filter of DFS-V seismic acquisition system greatly differ from symmetric twin T network in transfer characteristic .

OBS（海底地震仪）数据具有丰富的广角反射和横波信息，在了解天然气水合物调查过程中，开展OBS的勘探工作是非常有意义的。

The data of the OBS ( Ocean Bottom Seismometer ) has plentiful wide angle reflection and transverse wave information . It is important to take the OBS exploration in gas-hydrate investigation .

在网络数字地震仪的专用嵌入式Linux中，增加了CPLD设备驱动程序，增加WatchDog，硬盘超时管理，GPS时间服务等功能，有效提高了系统运行的可靠性和数据产出质量。

THE reliability and quality of output data are greatly improved by adding the codes for the CPLD device driver , WatchDog , hard-disk timeout management , GPS timing service , etc , to the dedicated embedded Linux operating system .

ZD-1型信号增强浅层勘探地震仪

A seismic equipment for shallow exploration with enhanced signal to noise ratio , type ZD-1

1904年，日本又在大连南山和上海徐家汇架设了大森（Omori）地震仪。

In1904 , Japan installed the Omori Seismograph in the South Hill , Dalian , and Xujiahui , Shanghai .

MINI-SEIS地震仪在爆破振动监测中的应用

Application of MINI-SEIS Seismograph in Blasting Vibration Measurement