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DZ71型磁带地震仪,我队初次使用。为了解仪器性能,选了资料较好的已知地段进行仪器性能对比试验。第一次,我们作了仪器因素及常规试验。起始增益试过-15、-18、-19、-20、-21、-22、-27七档,最终增益试验了最大、-2两档;延迟时间试验了0.2、0.4、0.6、0.8、1.0秒五档。同时试验了井深、药量。试验结果表明,虽然起始增益选用-15,最终增益选用最大,延迟时间选用0.4秒较好,但从监视记录和已知资料对比,感到波形不活跃,波形不突出,不如已知资料好。
DZ71 tape seismograph, my team first time use. In order to understand the performance of the instrument, a well-known section with better data was selected to carry out comparative tests on the performance of the instrument. For the first time, we made instrumental factors and routine tests. The initial gain trial -15, -18, -19, -20, -21, -22, -27 seventh gear, the final gain test the largest, -2 two files; delay time test 0.2,0.4,0.6,0.8 , 1.0 second five files. At the same time tested the depth, dose. The experimental results show that although the initial gain is -15, the final gain is the largest, and the delay time is 0.4 second. However, comparing the monitoring records with the known data, the waveform is not active and the waveform is not prominent, which is better than the known data.