时域运算辅助下复杂微波波形的柔性合成。

Applied optics Pub Date : 2025-09-10 DOI:10.1364/AO.571720
Xiaohong Lan, Yang Jiang, Jing Xu, Jinjian Feng, Yunkun Luo, Qianyou Long
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引用次数: 0

摘要

提出了一种产生复杂微波波形的光子方法,并进行了实验验证。借助微分和奇阶分量消去两种易于操作的时域运算,可以方便地得到奇阶分量和偶阶分量两组独立的频率分量。灵活地合成了一些复杂的波形,如变副瓣的全占空比sinc波形、变副瓣的全占空比sinc2波形和暗抛物线(或亮抛物线)波形,并通过理论分析、仿真和实验演示验证了这些波形的可行性。得益于时域处理的方便性,该方法易于实现,并能提供较高的微波波形生成精度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Flexible synthesis of complex microwave waveforms assisted by time-domain operations.

A photonic method for generating complicated microwave waveforms is proposed and experimentally demonstrated. Assisted by two easy-to-operate time-domain operations of differentiation and odd-order components elimination, two independent sets of frequency components, including odd-order and even-order components, can be conveniently obtained. Some complicated waveforms, such as a full-duty-cycle sinc waveform with varying sidelobes, a full-duty-cycle sinc2 waveform with varying sidelobes, and a dark parabolic (or bright parabolic) waveform, are flexibly synthesized, which are validated by the theoretical analysis, simulations, and experimental demonstrations. Benefiting from the convenience of time-domain processing, the proposed scheme is easily implemented and offers relatively high precision in microwave waveform generation.

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