【数字信号调制】基于FSK实现信号调制解调含Matlab源码（matlab调制信号仿真教程）

【数字信号调制】基于FSK实现信号调制解调含Matlab源码（matlab调制信号仿真教程）

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});endif 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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