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本文给出一个从高频返回散射电离图中确定离散散射源回波地面距离的方法.它是假定散射源的描迹是抛物线形式且切于最小时延线来计算固定散射源地面距离的.它仅仅基于单站得到的返回散射电离图的最小时延线和三组散射源回波描迹的时延和频率数据即可完成.实验检验的结果表明,本文方法计算结果的误差不大于3％.
This paper presents a method to determine the ground distance of discrete scattering source echo from high-frequency backscattering ionogram, which is based on the assumption that the tracing of the scattering source is a parabola and cuts to the minimum delay line to calculate the ground distance of the stationary scattering source. It is only based on the minimum delay line of the returned scatter ionogram and the delay and frequency data of the three sets of scatter source echo traces obtained by a single station.The experimental results show that the error of the calculation results of this method is not more than 3 %.