基于超宽带快速采集系统的井下测距性能研究

Y. Salih-Alj, C. Despins, S. Affes
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引用次数: 1

摘要

超宽带(UWB)通信系统通过传输持续时间极短的脉冲来提供非常高的数据速率。脉冲波形是影响这些系统性能的关键因素之一。在满足FCC光谱发射要求的同时,脉冲形状必须提供具有适当精度水平的高检测能力。本文在广泛的蒙特卡罗模拟中,在不同的干扰和高斯噪声情况下,在计算效率高的快速采集系统中考虑了各种脉冲形状。结果表明,四阶高斯导数是这种新型超宽带快速采集系统最合适的脉冲形状,适用于特殊受限环境下的测距,在高噪声和干扰水平下提供非常可接受的定位误差范围,同时大大降低了复杂性和采集时间。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On the ranging performance in an underground mine using an ultra-wideband fast acquisition system
Ultra-wideband (UWB) communication systems provide very high data rates by transmitting extremely short duration pulses. The impulse waveform is one of the key factors that influence the performance of these systems. While fulfilling the FCC spectral emission requirements, the pulse shape must offer high detection capabilities with suitable levels of accuracy. In this paper, various pulse shapes are considered within a computationally-efficient fast acquisition system under different scenarios of interference and Gaussian noise in extensive Monte-Carlo simulations. The results show the 4th order Gaussian derivative as the most suitable pulse shape for this new UWB fast acquisition system suggested for ranging in a peculiar confined environment, which offers very acceptable positioning error range at high levels of noise and interference, while also yielding greatly reduced complexity and acquisition time.
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