It is featured with high system capacity, low power spectral densities, exceptional multi-path immunity, simple structure and low probability of detection.

它具有通信容量大、辐射功率谱密度低，抗多径干扰，结构简单和保密性好等优点。

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UWB-IR technology has been concerned in military communications in recent years because of its high data rate, low power consumption, low probability of detection and low probability of interception.

近年来，超宽带脉冲无线电UWB-IR传输技术以低功耗、高速率、低检测率和低截获率等特点受到军事通信领域的关注。

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For the problem of passive location under low detection probability, a multi-sensor fusion tracking algorithm based on sliding window batch technique is presented.

针对低检测概率下的无源定位问题，提出一种基于滑窗批处理的多传感器融合跟踪算法。

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If tax rates remain high and the probability of detection low, grey activities will continue to have irresistible appeal.

ECONOMIST: The informal economy is neither small nor benign