自噪声作为限制滑动相关脉冲响应测量动态范围的因素

Proceedings of IEEE 3rd International Symposium on Spread Spectrum Techniques and Applications (ISSSTA'94) Pub Date : 1994-07-04 DOI:10.1109/ISSSTA.1994.379511

J. Talvitie, T. Poutanen

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引用次数: 12

摘要

给出了基于滑动相关的脉冲响应测量系统的乘法器输出频谱和有效探测信号的简单表达式。表达式的计算表明在相关器输出处存在自噪声，并且它依赖于系统参数。测量的动态范围可以用导出的表达式来研究。在有效探测信号的表达式中加入不同的相关滤波器特性是很容易实现的。

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Self-noise as a factor limiting the dynamic range in impulse response measurements using sliding correlation

A simple analysis leading to expressions for the multiplier output spectrum and the effective probing signal of an impulse response measurement system using sliding correlation is presented. Evaluation of the expressions shows the presence of self-noise at the correlator output and its dependence on the system parameters. The dynamic range of the measurement can be studied using the expressions derived. The incorporation of different correlation filter characteristics in the expressions for the effective probing signal is easily achieved.<>

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Proceedings of IEEE 3rd International Symposium on Spread Spectrum Techniques and Applications (ISSSTA'94)

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