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西安石油勘探仪器总厂生产的SSJ——10型数字地震检波器从1979年投产以来,已广泛用于国内石油地震勘探。近年来,用户与国外厂商的测试签定意见认为检波器的伪讯号(国内称为假频或横向共振频率)和跌落寿命(即动力强度)存在一定问题。1981年10月,该厂和我校实验力学教研室协作,进一步研究改进产品结构和制造工艺,一年多来已取得了显著效果。陕西省重工业厅和高教局于1983年8月23日在西安市主持召开了“数字地震检波器动态特性科研成果鉴定会”。
Since its commissioning in 1979, the SSJ-10 digital geophone manufactured by Xi’an Petroleum Exploration Instrument Factory has been widely used in the domestic petroleum seismic exploration. In recent years, users and foreign manufacturers signed the opinion of the test that the detector’s false signal (referred to as false or transverse resonant frequency) and drop life (ie, dynamic strength) there are some problems. In October 1981, the factory collaborated with the Department of Experimental Mechanics of our school to further study and improve the product structure and manufacturing process. Over the past year, remarkable achievements have been made. On August 23, 1983, Shaanxi Provincial Department of Heavy Industries and Higher Education Bureau hosted the “Appraisal of Scientific Research Achievements of Dynamic Characteristics of Digital Seismometer” in Xi’an.