... REF Reflection 反射 ionosphere reflection 电离层反射 message reflection 消息反射 ; 信息反映 ; 讯息反映 ; 反射机制 ...
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电离层反射电波的能力取决于不同高度上电子密度的正常差别。
The ability of the ionosphere to reflect these waves is dependent upon normal variations in the electron density at different levels.
在此基础上得到电离层反射信号的多普勒频移公式以及穿过电离层的信号的多普勒频移公式。
The formulas of Doppler shift due to the reflected signal and that travelling through the ionosphere are thus derived.
短波有利于长距离传输广播节目，短波信号被围绕地球的电离层反射，能在大地和电离层间来回反射。
Short wave is good for broadcasting very long distances. The short wave signals bounce off the ionosphere that surrounds the Earth, back to the ground and then back to the ionosphere.
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