基于VB和Matlab接口的海浪谱分析软件设计  

Software Design for Power Spectrum Estimation of Waves Based on Interface of VB and Matlab

作　　者：唐原广[1] 王金平[1] 

机构地区：[1]中国海洋大学海洋环境学院,山东青岛266100

出　　处：《计算机技术与发展》2008年第9期37-39,42,共4页Computer Technology and Development

基　　金：国家863计划资助项目(200407)

摘　　要：在海浪研究中,海浪功率谱的获取是一个非常重要的内容;Visual Basic与Matlab的接口技术为编写一种人性化界面与高效率计算引擎相结合的应用程序提供了关键的条件;为实现随机信号的频谱和功率谱,随机信号频谱和功率谱分析中常用到快速傅里叶变换(FFT),而Matlab内部提供了这种函数。为了快速方便地获取随机信号的功率谱,介绍了一种基于VB6.0与Matlab的接口技术实现FFT进而实现功率谱的方法,并在此基础上编写了实时海浪功率谱分析软件。该软件已经成功应用到海浪数据的处理中。实践证明:该方法具有一定的通用性,可用于其它随机信号频谱分析。In the research of ocean were,to find the power spectrum is a very important content;the interface of VB and Matlab offers a pivotal condition for writing an application that integrate efficient compute engine and humanism user＇ interface. For the realization of the frequency spectrum and power spectrum of random signals, one common rnethod of estimating random signals＇spectrum is FFT. In order to get the power spectrum of random signals expediently and fleetly, introduces a method to implement FFT, which is based on interface of VB and Matlab. The software for estimating spectruna of waves is developed based on this method. The software has been successfully applied to the waves of data processing. Practice has proved that：The method is universal, so it could also be used for other random signals＇ spectrum estimation.

关 键 词：ACTIVEX技术 功率谱 FFT VB 

分 类 号：TP311.11[自动化与计算机技术—计算机软件与理论] TP202.4[自动化与计算机技术—计算机科学与技术]