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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Carrier and intermodulation performance of limiters excited bymulticarriers
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Carrier and intermodulation performance of limiters excited bymulticarriers

机译：多载波激发的限幅器的载流子和互调性能

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摘要

A general formula, using a Fourier-series representation, is derived for the input-output characteristic of ideal hard limiters, biased hard limiters and biased soft limiters. Using this formula one can obtain an expression, involving Bessel functions for calculating the amplitudes of the output products of a limiter excited by a multicarrier signal plus Gaussian noise. In contrast with previously published results, the implementation of the present expression requires the computation of functions that are available in most mathematical-library subroutines and can even be implemented by using programmable pocket calculators. Results obtained by using the present expression are in excellent agreement with the previously published results. Additionally, the expression is used to generate a soft- and a hard-limiter signal-suppression database for the case in which a single large carrier and a number of equal-power small carriers exist in a noisy environment
机译：对于理想硬限幅器，偏置硬限幅器和偏置软限幅器的输入输出特性，使用傅里叶级数表示法得出了一个通用公式。使用该公式，可以获得包含贝塞尔函数的表达式，该表达式用于计算由多载波信号加高斯噪声激励的限幅器的输出乘积的幅度。与以前发布的结果相反，本表达式的实现需要计算大多数数学库子例程中可用的函数，甚至可以通过使用可编程袖珍计算器来实现。通过使用本表达式获得的结果与以前发表的结果非常一致。此外，在嘈杂的环境中存在单个大载波和多个等功率小载波的情况下，该表达式可用于生成软限制器和硬限制器信号抑制数据库

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