POLYSEIS系统综述

Polyseis System Summarize,

进入 90年代 ,遥测地震数据采集系统发展迅猛 ,世界著名的仪器公司竞相推出新产品 ,在众多的射频遥测系统中 ,其分类不外乎如下三类 :其一是数据记录在遥测单元里 ,无实时质量控制 ;其二是以低波特率传送数据到记录器 ,可利用的频道数目有限 ,减少了实时操作的通道 ;其三是利用有限的频率以高波特率传送数据到记录器 ,能进行实时质量控制 ,绘制的纸记录与电缆系统相同。由美国 Syntron公司生产的 POL YSEIS系统属于第三类 。

In the 90′s,new techniques are quickly developed in the telemetry seismic data acquisition system.Famous instrument companies all over the world are competing in producing new sorts of radio telemetry system.Among all the systems,productions can be devided into three types:First,the system which recording the data on the remote unit without real time quality control.Second,the system which transmitting data into a recorder at low band rate,In this kind of system,the numbers of the utilizable frequancies are limitted and real time operating channels are reduced,comparing with those in other types,Third,the system which transmitting data to the recorder at high band rate within limitted frequency,this kind has real time quality control system and can plot the paper record as good as that made by a cable system.The polyseis system produced by Syntron Company,U.S.A. belongs to this type and has varied advantages in using.