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581厂为768工程研制的大动态数字化地震遥测设备,由于采用了浮点编码技术,应用了微功耗的 CMOS 器件,因而具有动态范围大(约100 db)、耗电省等一系列优点。但缺少性能优良的无线数传设备与之配套使用,有碍在无线传输台网中发挥作用。80年下半年国家地震局科研处将研制“兼容制无线传输设备”的任务下达给我局,81年6月完成了方案论证。现样机研制工作已基本完成,正在作野外拉距实验,计划在今年接受国家地震局的鉴定。该设备的研制中吸取了上海台网联调无线部份的经验教训,采用了较多的新技术、新工艺、新器件。本期刊载的是其中一个分机的情况,以飨读者。
581 Plant is a large-scale digital seismic telemetry equipment developed by the 768 project. Due to its floating-point encoding technology and application of micro-power CMOS devices, it has a series of advantages such as large dynamic range (about 100 db) and power consumption saving. However, the lack of good performance of wireless data transmission equipment and its use, hinder the wireless transmission network play a role. In the second half of 1980, the research department of the State Seismological Bureau issued the task of developing a “compatible wireless transmission equipment” to the Bureau. In June 81, the program demonstration was completed. Now prototype development work has been basically completed, the wild is pulling experiments, plans to accept this year, the National Seismological Bureau identification. The development of the device draw lessons from the wireless part of the Shanghai-Taiwan network of lessons learned, using more new technologies, new processes, new devices. This issue contains one of the extensions for readers.