The combinational evaluation method which combines TOPSIS with gray correlation degree analysis can improve validity of the evaluation result.
以理想解法和灰色关联度分析法为基础进行组合，得到的组合评价方法能够提高评价结果的有效性。
This paper presents and realizes an ionospheric disturbance observation mode by using combinational pulses control and echo's phase measurement analysis in ionospheric vertical sounding.
利用电离层垂直探测中的组合脉冲控制和回波相位测量分析方法，开发并实现了一种电离层扰动观测模式。
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