The sound simulation system is based on the mathematical model of sound rendering technology, the model of human hearing and the audio knowledge in the computer.
声音仿真系统以声音渲染的数学模型、人耳的听觉模型、计算机音频知识为基础。
参考来源 - 机车仿真器中声音系统的研究与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
基本功能包括模拟操纵功能、列车动力学计算功能、故障判断培训功能、视景和声音仿真功能以及运动仿真功能。
The primary functions of the simulator include operation simulation, kinetics calculation, fault simulation, visual simulation, audio simulation and motion simulation.
本仿真系统支持红外跟踪立体眼镜，立体头盔等虚拟现实视觉设备并具有立体机舱声音效果。
Virtual visual facilities such as infrared tracking stereoscopic glasses, head mounted display and stereo effects for engine room are available in the simulation system.
仿真结果表明变周期距离参数化扩展卡尔曼滤波算法能有效解决经典扩展卡尔曼滤波算法在纯方位角目标跟踪时可能出现的滤波发散现象，并能处理声音信号的传输时间延迟问题。
The simulation results indicate that the variable cycle RP-EKF algorithm can resolve the filtering instability of EKF for the bearing-only target tracking and the time-delay problem.
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