脉冲调制可以用来控制偏置电压和电离。
Pulse modulation may be used to control a bias voltage and an ionization.
电离层频率调制导致地表面杂波的多谱勒展宽，极大地限制了高频天波雷达的目标探测性能。
Ionospheric frequency modulation causes spreading of the surface clutter in Doppler domain which greatly limits the detection performance of HF sky-wave radars.
对于特定的方波调制模式和典型的电离层条件下，振荡过程中电离层的导电性和电喷详细地研究。
For specific square wave modulation modes and typical ionospheric conditions, oscillations process of ionospheric conductivity and electrojet are studied in details.
磁离子理论，自洽的人工调制强大的HF无线电波电离层的电喷模型。
In terms of magneto-ionic theory, a self-consistent model of ionospheric electrojet artificially modulated by powerful HF radio waves is presented.
磁离子理论，自洽的人工调制强大的HF无线电波电离层的电喷模型。
In terms of magneto-ionic theory, a self-consistent model of ionospheric electrojet artificially modulated by powerful HF radio waves is presented.
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