【数字信号调制】基于FSK实现信号调制解调含Matlab源码

1 简介

运用MATLAB语言模拟实现了数字信号的FSK调制、低通滤波与抽样判决.​

2 部分代码

function varargout = GUI_2FSK(varargin)% GUI_2FSK MATLAB code for GUI_2FSK.fig%      GUI_2FSK, by itself, creates a new GUI_2FSK or raises the existing%      singleton*.%%      H = GUI_2FSK returns the handle to a new GUI_2FSK or the handle to%      the existing singleton*.%%      GUI_2FSK('CALLBACK',hObject,eventData,handles,...) calls the local%      function named CALLBACK in GUI_2FSK.M with the given input arguments.%%      GUI_2FSK('Property','Value',...) creates a new GUI_2FSK or raises the%      existing singleton*.  Starting from the left, property value pairs are%      applied to the GUI before GUI_2FSK_OpeningFcn gets called.  An%      unrecognized property name or invalid value makes property application%      stop.  All inputs are passed to GUI_2FSK_OpeningFcn via varargin.%%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one%      instance to run (singleton)".%% See also: GUIDE, GUIDATA, GUIHANDLES​% Edit the above text to modify the response to help GUI_2FSK​% Last Modified by GUIDE v2.5 30-Nov-2018 14:09:53​% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name',       mfilename, ...                   'gui_Singleton',  gui_Singleton, ...                   'gui_OpeningFcn', @GUI_2FSK_OpeningFcn, ...                   'gui_OutputFcn',  @GUI_2FSK_OutputFcn, ...                   'gui_LayoutFcn',  [] , ...                   'gui_Callback',   []);if nargin && ischar(varargin{1})    gui_State.gui_Callback = str2func(varargin{1});end​if nargout    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});else    gui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT​​% --- Executes just before GUI_2FSK is made visible.function GUI_2FSK_OpeningFcn(hObject, eventdata, handles, varargin)% This function has no output args, see OutputFcn.% hObject    handle to figure% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% varargin   command line arguments to GUI_2FSK (see VARARGIN)​% Choose default command line output for GUI_2FSKhandles.output = hObject;​​​

3 仿真结果

4 参考文献

[1]曾祥龙, 梁清梅, 索丽敏. 运用MATLAB实现对数字信号调制的仿真[J]. 黑龙江科技信息, 2009(32):1.

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