基于傅里叶变换的舰船通信低频信号传输精度分析
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摘要
针对当前低频信号传输精度分析效果差等不足,以改善当前低频信号传输精度分析结果为目标,设计了基于傅里叶变换的低频信号传输精度分析方法。首先了解当前低频信号传输精度分析研究的现状,找到当前各种分析方法的局限性,然后采集低频信号,采用傅里叶变换对低频信号进行处理,得到低频信号的频带分量和残余分量,并采用灰色模型和神经网络对其进行分析,最后通过傅里叶逆变换得到低频信号分析结果,并进行低频信号传输精度测试。本文方法的低频信号传输分析精度超过了95%,同时低频信号传输分析速度快,具有十分广泛的应用前景。
In order to improve the analysis results of low-frequency signal transmission accuracy, a method of low-frequency signal transmission accuracy analysis based on Fourier transform is designed. Firstly, the current research status of transmission accuracy of low-frequency signals is analyzed, and the limitations of various analysis methods are found. Then,the current low-frequency signals are collected and processed by Fourier transform. The frequency band components and residual components of low-frequency signals are obtained. Then, the gray model and neural network are used to analyze them.Finally, the low-frequency signals are obtained by inverse Fourier transform. The result of signal analysis is given and the transmission accuracy of low frequency signal is tested. The analysis accuracy of low frequency signal transmission in this method is more than 95%. At the same time, the analysis speed of low frequency signal transmission is fast, which has a very wide application prospect.
In order to improve the analysis results of low-frequency signal transmission accuracy, a method of low-frequency signal transmission accuracy analysis based on Fourier transform is designed. Firstly, the current research status of transmission accuracy of low-frequency signals is analyzed, and the limitations of various analysis methods are found. Then,the current low-frequency signals are collected and processed by Fourier transform. The frequency band components and residual components of low-frequency signals are obtained. Then, the gray model and neural network are used to analyze them.Finally, the low-frequency signals are obtained by inverse Fourier transform. The result of signal analysis is given and the transmission accuracy of low frequency signal is tested. The analysis accuracy of low frequency signal transmission in this method is more than 95%. At the same time, the analysis speed of low frequency signal transmission is fast, which has a very wide application prospect.
引文
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[2]赵建锋.通信传输中信号衰减的原因分析及处理方法[J].中国新通信, 2018, 20(12):129.
[3]张宏伟,贾旭,邱祖雄.时间信号传输的延时特性分析及补偿算法研究[J].自动化与仪器仪表, 2017, 22(11):48–51.
[4]刘涛,杨艺敏,赵中华.射频通信信号传输精度优化处理仿真研究[J].计算机仿真, 2017, 34(10):181–184.
[5]刘俊文,王承华.防空火控网数据传输精度分析与测量[J].火力与指挥控制, 2009, 34(6):161–163, 167.