Calculation Method of Torpedo Discovery Probability by Combining Analytical and Simulation Methods
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摘要: 解析法和模拟法是计算声自导鱼雷发现概率的常用方法。解析法计算速度较快, 但只适用于部分参数误差类型, 模拟法适用于所有参数误差类型, 但计算效率较低。针对此, 文中提出一种解析法与模拟法相结合的鱼雷发现概率计算方法, 首先基于模拟法求解参数遮盖区间, 然后在此基础上利用解析法计算发现概率, 在保证精度的同时明显提高了计算效率, 最后通过仿真验证了所提算法的有效性。Abstract: The analytical method and simulation method are commonly used to calculate the discovery probability of acoustic homing torpedoes. The analytical method is fast but only applicable to some parameter error types. The simulation method is applicable to all parameter error types, but its calculation efficiency is low. To address this issue, a torpedo discovery probability calculation method combining analytical and simulation methods was proposed. Firstly, the parameter masking interval was solved based on the simulation method. Then, the discovery probability was calculated using the analytical method, which significantly improved calculation efficiency while ensuring accuracy. Finally, the effectiveness of the proposed algorithm was verified through simulation.
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Key words:
- acoustic homing torpedo /
- discovery probability /
- analytical method /
- simulation method
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表 1 不同方法的仿真时间对比
Table 1. Comparison of simulation time for different methods
误差类型 参数区间 时间/s 模拟法 结合法 目标速度误差 [19 kn, 31 kn] 663.5 39.9 自导距离误差 [600 m, 2 400 m] 660.6 12.1 目标舷角误差 [60°, 120°] 661.4 39.7 -
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