中文说明：应用背景基于MATLAB的FIR数字滤波器设计，可自行指定滤波器参数，有窗函数法、频率响应法和切比雪夫法三种滤波器可选择，并可利用设计好的滤波器对特定的信号，图像和声音进行处理,具有较好的GUI图形交互界面，很适合于课程设计交作业。关键技术基于MATLAB的FIR数字滤波器设计，根据MATLAB自带的几个窗函数和滤波器生成函数，根据FIR数字滤波器的设计原理，设利用特定的算法设计完成了FIR数字滤波器的设计，在GUI图形交互界面的设计上，采用了多种形式的控件，丰富了界面的观赏感。
English Description：
Application backgroundDesign of FIR digital filter based on MATLAB, can independently specify the parameters of the filter and window function method and frequency response method and Chebyshev method three kinds of filter, and the filter designed for specific signal, image and sound processing and has good GUI Graphical interface, very suitable for in the course design of homework.Key TechnologyDesign of FIR digital filter based on MATLAB, based on the MATLAB built-in several window function and the filter to generate the function, according to the design principle of FIR digital filter, set up using the specific algorithm is designed to complete the design of the FIR digital filter, in the GUI Graphical interface design, the various forms of control, enriched the interface of ornamental sense.