首页> 外文期刊>Journal of Electronics (CHINA) >AIRCRAFT MOTION PARAMETER ESTIMATION VIA MULTIPATH TIME-DELAY USING A SINGLE GROUND-BASED PASSIVE ACOUSTIC SENSOR
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AIRCRAFT MOTION PARAMETER ESTIMATION VIA MULTIPATH TIME-DELAY USING A SINGLE GROUND-BASED PASSIVE ACOUSTIC SENSOR

机译:使用基于单个地面的被动声传感器通过多路径时延估算飞机运动参数

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摘要

The time-frequency analysis of the signal acquired by a single ground-based microphone shows a two-dimensional interference pattern in the time-frequency plane, which is caused by the time delay of the received signal emitted from a low flying aircraft via the direct path and the ground-reflected path. A model is developed for estimating the motion parameters of an aircraft flying along a straight line at a constant height and with a constant speed. Monte Carlo simulation results and experimental results are presented to validate the model, and an error analysis of the model is presented to verify the effectiveness of the estimation scheme advocated.
机译:由单个地面麦克风获取的信号的时频分析显示了时频平面中的二维干扰图,这是由低空飞行器通过直达飞机发射的接收信号的时间延迟引起的路径和地面反射路径。开发了用于估计以恒定高度和恒定速度沿直线飞行的飞机的运动参数的模型。给出了蒙特卡罗仿真结果和实验结果以验证模型的正确性,并对模型进行误差分析以验证所提方法的有效性。

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