However, in ionogram mode, though Digisonde works with many sounding frequencies, the resolution of Doppler shift is too low to detect ionospheric disturbances precisely.

 
  • 而在频高图模式下;虽然工作的频点多;能够获得电子浓度的高度剖面的信息;但探测的多普勒频移的分辨率低;无法用来精确检测电离层扰动.
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