DCT插值算法在水声信道估计中的应用

Research on application of DCT interpolation algorithm in underwater acoustic channel estimation

水下通信是海上远程通信的重要手段,其信道环境直接决定通信质量。本文对水声信道进行研究,分析水声信道的特性,介绍了信道的建模方法。给出了基于DCT插值算法的信道估计方法和能够去除噪声干扰的DCT插值算法。实验结果表明DCT插值算法能够有效提高水声信道估计的性能。

Underwater communication was an important method for remote communication,which determined the quality of communication directly. In this paper,the underwater acoustic channel was studied,and the characteristics of underwater acoustic channel were analyzed,and the modeling method was introduced. A channel estimation method based on DCT interpolation algorithm and a DCT interpolation algorithm for removing noise interference were presented. The experimental results shown that the performance of the DCT interpolation algorithm can effectively improve the performance of the underwater acoustic channel estimation.