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在实际的土壤氡浓度工程测量中,经常会遇到由于环境因素的变化而影响氡真实值的情况。为了分析这些干扰因素对土壤氡浓度的影响程度,对实验区内的土壤氡浓度和环境因素(湿度、大气压力、最高温度、最低温度、地温和室外温度)进行了为期1 a的监测。利用这些数据并结合BP神经网络,分析了环境因素对土壤氡浓度的敏感性,得出结论:在实验区域内对环境因素最敏感的是最高温度。
In the actual measurement of soil radon concentration engineering, often encountered due to changes in environmental factors affect the true value of radon situation. In order to analyze the influence degree of these disturbing factors on soil radon concentration, a 1-year monitoring of soil radon concentration and environmental factors (humidity, atmospheric pressure, maximum temperature, minimum temperature, ground temperature and outdoor temperature) in the experimental area was conducted. Using these data combined with BP neural network, the sensitivity of environmental factors to soil radon concentration was analyzed. It was concluded that the highest temperature was the most sensitive to environmental factors in the experimental area.