通过一个数字信号功率谱分析程序设计的实例，详细地介绍了Visual c++和Matlab通过

engine引擎接口进行混合编程的技术，在信号处理的软件开发中采用这种方法可以提高软件开发

的效率和可靠性。-Digital signal through a power spectral analysis of programming examples, detailed descr iption of the Visual c++ and Matlab engine through the engine mixed programming interface technology, signal processing in software development this approach can improve the efficiency of software development and reliable sexual.