The characteristics of the self absorption of gyrosynchrotron emission arc-investigated detail and its optical depth is estimated from radio microwave source with a magnetic dipole field.

详细研究了高能电子产生的回旋同步辐射自吸收的特性，并用磁偶极子场的射电微波源模型计算了它的光学厚度。

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And Wilson and Penzias discovered the cosmic microwave background radiation, physical evidence for the Big Bang, while fiddling with an antenna designed to catch radio waves bouncing off satellites.

威尔逊和彭齐亚斯捕捉人造卫星上反弹回来的无线电波的天线时不经意地发现了宇宙微波背景辐射，而这正是宇宙大爆炸的物理性证据。

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Selex communications will provide the Tetra mobile communications technology, as well as HF, satellite and microwave radio connections.

Selex通信公司将提供Tetra移动通信计划，以及HF、卫星和微波无线连接。

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Indian physicist, biologist, and early writer of science fiction, he pioneered the investigation of radio and microwave optics and laid the foundations of experimental science in the Indian subcontinent.

UNESCO: Some important dates for radio

The 802.11b standard uses the unregulated 2.4 gigahertz radio band, which is already overloaded with cordless phones, microwave ovens and streetlights.

ECONOMIST: The wireless Internet: A LAN line | The