... 等效天线 equivalent aerial 低频天线 low-frequency antenna 低外差接收机 infradyne receiver ...
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very low frequency antenna [电讯] 甚低频天线
extremely low frequency antenna 极长波天线
A loading scheme is proposed for the mobile Very-Low-Frequency antenna, and loading parameters are optimized.
提出一种加载机动甚低频天线的方式，对加载参数进行了优化。
Taken the Earth as material of antenna for receiving gravitational wave, the Earth behaves as a low-frequency gravitational detector.
将地球作接收引力波的天线物质，地球就成为了工作在低频段的引力波探测器。
A helix antenna was presented together with low power RF amplifier, as the frequency fitted, the axial direction can obtain largest radio energy.
采用小尺寸低功耗的射频芯片结合实际环境设计出螺旋结构天线，选择合适的频率，天线在轴向方向得到最大的辐射能量。
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