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武汉大学
Published:1984
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[1]徐继生,保宗悌.VW-83型便携式宽带甚低频接收机[J].电子学报,1984(04):110-111.
Xu Jisheng, Bao Zongti. VW-83 Portable Broadband VLF Receiver[J]. Acta Electronica Sinica, 1984, (4): 110-111.
最近我们研制成功配有56cm空气芯环天线和装有自动实时增益标定电路的便携式宽带甚低频接收机。该机带宽为250Hz至48kHz;系统灵敏变(在5kHz)为1.4×10
-6
V/m·Hz
1/2
。在磁纬20°以下多台网同时观测结果表明接收机性能稳定可靠。
A portable broadband VLF receiver with 56cm air-core loop antenna and automatic realtime calibration has been developed. The system sensitivity is 1.4×10-6 V/m·Hz1/2 (at f=5kHz)
and the bandwidth is from 250 Hz to 48 kHz. The simultaneous observations at a number of field stations show that the performance of this system is stable.
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