基于迭代希尔伯特变换的非计量阵列单边带调制算法

2020 International Conference on Communications, Information System and Computer Engineering (CISCE) Pub Date : 2020-07-01 DOI:10.1109/CISCE50729.2020.00093

D. Sun, Hongliang Zhao

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引用次数: 1

摘要

单边带调制的参数扬声器在调制变频信号时产生线性失真，通过希尔伯特变换估计变频信号的频率，并根据频率补偿变频信号的失真。利用迭代希尔伯特变换提高了对不满足Bedrosian定理和nutall定理的信号的频率估计精度，提高了算法的自适应性。仿真和实验表明，改进算法降低了变频信号的失真，具有较强的适应性。

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Single Side-band Modulation Algorithm Of Aarametric Array Based On Iterative Hilbert Transform

The single-sideband modulation’s parametric loudspeakers cause linear distortion when modulating the frequency conversion signal, the frequency of the frequency conversion signal is estimated by the Hilbert transform and the distortion of the frequency conversion signal is compensated according to the frequency. Furthermore, iterative Hilbert transform is used to improve the accuracy of frequency estimation for signals which do not satisfy Bedrosian theorem and Nuttall theorem, and the adaptability of the algorithm is improved. The simulation and experiment show that the improved algorithm reduces the distortion of the frequency conversion signal and has strong adaptability.

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来源期刊

2020 International Conference on Communications, Information System and Computer Engineering (CISCE)

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