一种基于频率预估计的多模态信号载波恢复新算法

2013 Ninth International Conference on Intelligent Information Hiding and Multimedia Signal Processing Pub Date : 2013-10-16 DOI:10.1109/IIH-MSP.2013.49

Wang Ranran, Wang Botao, Lu-Xin Yan

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引用次数: 1

摘要

多媒体系统得到了广泛的发展。本文提出了一种新的快速傅立叶变换(FFT)和载波恢复环，用于精确的精细跟踪。本文采用FFT载波频偏预估先对大频率进行校正，在此基础上采用载波环电路对小频率进行校正。与其他方法相比，其估计精度更高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A New Frequency Pre-estimation Aided Carrier Recovery Algorithm for Multimodal Signal System

Multimedia System has been widely developed. This paper proposes a new kind of fast Fourier transformation (FFT) and a carrier recovery loop for accurate fine tracking. This paper uses the FFT carrier frequency offset to pre-estimate it that corrects the big frequency firstly, based on this, it uses the carrier frequency ring circuit to correct the small frequency offset. Comparing with other methods, its estimation is more accurate.

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来源期刊

2013 Ninth International Conference on Intelligent Information Hiding and Multimedia Signal Processing

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