Photonic approach for microwave spectral analysis based on Fourier cosine transform.
Photonic approach for microwave spectral analysis based on Fourier cosine transform.
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DOI：
10.1364/ol.36.003897
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发表时间：
2011-10
期刊：
影响因子：
3.6
通讯作者：
Yun Wang;H. Chi;Xianmin Zhang;Shilie Zheng;Xiaofeng Jin
中科院分区：
文献类型：
--
作者：
Yun Wang;H. Chi;Xianmin Zhang;Shilie Zheng;Xiaofeng Jin
提出了一种基于傅里叶余弦变换的微波光谱光子学分析方法。频谱信息是通过处理微波功率与色散函数的关系而获得的，该函数是具有待分析频谱的信号的功率谱与相位调制无线电色散链路系统的功率传递函数的乘积。我们证明，该方法是能够分析微波信号与多个频率分量。定量地讨论了该方案的灵敏度、光谱分辨率和有效测量带宽。
A photonic approach for microwave spectral analysis based on Fourier cosine transform is proposed. The spectral information is obtained by processing a microwave power versus dispersion function, which is the product of the power spectrum of the signal with its spectrum to be analyzed and the power transfer function of the phase-modulated radio over dispersive link system. We demonstrate that the approach is capable of analyzing microwave signals with multiple frequency components. The sensitivity, the spectral resolution, and the effective measurement bandwidth of the scheme are quantitatively discussed.