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由于误差矢量幅度(EVM)是无线通信中的一个重要测量值,因此必须考虑影响EVM的各种因素,并了解如何才能获得准确的结果。阅读有关EVM测量技术的应用指南,并利用这些知识优化使用PXI VST进行EVM测量。
讨论主题包括:
减少非线性效应
校正I/Q减损
提高峰均功率比(PAPR)
信道平滑
噪声补偿
互相关
PXIe-5842具有业界领先的EVM表现
详细了解EVM测量技术
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