| 随机波动害虫种群的最优防治阈值与防治时刻 |
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| 引用本文： | 陈国雄.随机波动害虫种群的最优防治阈值与防治时刻[J].九江职业技术学院学报,2005(4):23-25. |
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| 作者姓名： | 陈国雄 |
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| 作者单位： | 湄洲湾职业技术学院,福建,甫田,351254 |
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| 摘 要： | 以随机过程为数学工具，用金融风险管理的思想，研究随机波动的害虫种群对作物造成的损失和药物防治费用之间的关系，依据最优经济效益原则确定害虫的最优防治阚值与防治时刻。
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| 关 键 词： | 几何Brown运动，首达时，最小损失，防治阈值 |
| 文章编号： | 1009-9522（2005）04-0023-03 |
| 收稿时间： | 2005-03-25 |
| 修稿时间： | 2005年3月25日 |
Optimal Prevention Threshold & Time of Random Fluctuating Insect Pests Group |
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| CHEN Guo-xiong.Optimal Prevention Threshold & Time of Random Fluctuating Insect Pests Group[J].Journal of Jiujiang Vocational and Techinical College,2005(4):23-25. |
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| Authors: | CHEN Guo-xiong |
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| Abstract: | The optimal prevention threshold and time are determined according to the optimal economic benefit principle by taking random process as mathematical tool, the thought of financial risk control and the research of the relationship between the losses of the crops made by random fluctuating insect pests group and the medicine prevention cost. |
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| Keywords: | Geometry Brown movement Time of first arrival Minimum loss Prevention threshold |
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