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仪器因素的选择,对取得良好的地震原始记录有直接关系,也是解决“三层”(即标准层、深层、断层)的主要手段之一。目前,我们使用DZC1—24—66型磁带地震仪,其放大器主要有两种控制形式,即公控和指数控制(简称指控),由于浅层能量较强,因此AVC是两种控制必不可少的辅助控制。由于公控具有一定优点和使用方便,一般采用公控。为了寻找解决“三层”的途径,对仪器的指控进行了初步试验,以便因地制宜地选择控制形式。
The selection of instrumental factors is directly related to obtaining good original records of earthquakes and is also one of the major means to solve the “three layers” (ie standard layers, deep layers and faults). At present, we use the DZC1-24-66 tape seismometer, the amplifier has two main forms of control, that is, control and index control (referred to as allegations), due to the shallow energy is strong, so AVC is essential for the two controls Auxiliary control. As the public prosecution has certain advantages and ease of use, public use of public control. In an attempt to find a solution to the “three-tier” approach, initial tests were conducted on the instrument’s allegations so that the form of control could be chosen according to local conditions.