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中文摘要：
通过分析高斯脉冲的求导阶数与功率谱密度（PSD）中心频率的关系，提出了一种利用高斯脉冲及其高阶导数组合波形作为发射信号，这种信号可以满足美国联邦电信委员会（FCC）对UWB信号的频谱规定。该方法通过选择适当的脉冲形成因子a和求导阶数n，对各段辐射掩蔽特性进行逼近。仿真验证了该方法的有效性，能够获得较好的逼近掩蔽特性的组合脉冲串。
英文摘要：
The method using combining Gaussian pulse and its higher-order derivatives waveform is presented on the analysis of the relations of the central frequency of power spectral density and the higher-order derivatives of Gaussian pulse, which satisfies UWB emission mask by FCC proposed. Firstly, selecting propriety pulse forming factor approaches emission mask property of each subsection applying different Gaussian pulse wave combination. Then, the better combination pulse string of approaching emission mask property can be got by optimizing combination of each subsection. Lastly, the simulation result shows this method is efficient.
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