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Behavioral Modeling of the Frequency Translation Process in Direct Conversion Transmitters

机译:直接转换变送器中频率转换过程的行为建模

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摘要

This article presents a black-box model that can be applied to represent the nonlinear dynamic behavior of a direct conversion transmitter excluding the power amplifier. Several distortion mechanisms are excited and compensated using only magnitude measurements of the output signal components. The information extracted in this way is used to parameterize the model. The validity of the suggested approach is confirmed by comparing the measured and the predicted transmitter's response, when driven by broadband input signals.
机译:本文提出了一种黑匣子模型,该模型可用于表示不包括功率放大器的直接转换发射机的非线性动态行为。仅使用输出信号分量的幅度测量即可激发和补偿几种失真机制。以这种方式提取的信息用于参数化模型。当由宽带输入信号驱动时,通过比较测得的和预测的发射机的响应,可以确认所建议方法的有效性。

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