利用伊尔库茨克非相干散射雷达资料确定引起相干回波的散射不规则层参数
Towards determining the parameters of layer with scattering irregularities that cause coherent echo, based on the Irkutsk Incoherent Scatter radar data
摘要：
在本文中，我们提出了一种技术，确定散射不规则性（导致相干回波）层参数使用伊尔库茨克IS雷达数据。结果表明，我们的技术具有必要的精度（高度和厚度-约2.5公里，方面的灵敏度- 5dB/度）。对1998年12月25日至26日和2000年7月15日至16日两次实验的处理表明，计算的数据与其他研究人员获得的数据吻合良好：平均层高为110- 120 km，平均层厚为5 km，平均视向灵敏度为-15dB/度。高时间分辨率的实验的调查，使我们能够观察到的不规则性层参数的时间变化。该层的平均厚度和高度与其他调查人员获得的数据并不矛盾。具有高时间分辨率的实验的调查允许检测层参数的时间变化。的方面的灵敏度的时间变化，我们观察到的第一次，需要额外的调查。
英文摘要：
In the paper we have presented a technique of determining the scattering irregularities (that cause coherent echo) layer parameters using the Irkutsk IS radar data. It is shown that our technique has necessary accuracy (for height and thickness - about 2.5 km, for aspect sensitivity - 5dB/degree). Processing of the experiments 25-26.12.1998 and 15-16.07.2000 has shown a good agreement of data calculated with the data obtained by other investigators: an average layer height is 110-120km, average layer thickness 5km, average aspect sensitivity - 15dB/degree. The investigation of the experiments with high temporal resolution allowed us to observe temporal variations of the irregularities layer parameters. The average thickness and height of the layer does not contradict the data obtained by other investigators. The investigation of the experiments with high temporal resolution allowed to detect time variations of the layer parameters. The temporal variations of the aspect sensitivity are observed by us for the first time and requires additional investigations.
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