超宽带系统中最优负载电阻的简单估计

The 2nd International Conference on Wireless Broadband and Ultra Wideband Communications (AusWireless 2007) Pub Date : 2007-08-27 DOI:10.1109/AUSWIRELESS.2007.12

S. Savov

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引用次数: 1

摘要

超宽带(UWB)无线电系统的性能评价指标是发射机源与接收机负载之间的能量链路损耗参数。超宽带系统中链路损耗的严格计算是一项复杂的任务。然而，对于两个相似的小天线(偶极和环)的特殊情况，可以得到该参数的简单近似解析估计。这些表达式是在假设天线被高斯-埃尔米特脉冲(GHP)激发的情况下推导出来的。对于前三种模态(n = 0,1,2)，导出了最优负载阻力的简单公式。

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A Simple Estimation of the Optimum Load Resistance in a UWB System

The parameter energy link loss between the source of the transmitter and the load of the receiver is used to evaluate the performance of a ultrawideband (UWB) radio system. The rigorous calculation of the link loss in a UWB system is a complicated task. However, for the special cases of two similar small antennas (dipoles and loops) a simple approximate analytical estimation of this parameter can be obtained. These expressions are derived assuming that the antennas are excited by Gauss-Hermite pulses (GHP). For the first three modes (n = 0, 1, 2) simple formulas for the optimum load resistance are derived.

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The 2nd International Conference on Wireless Broadband and Ultra Wideband Communications (AusWireless 2007)

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