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1、综合测控实验报告班级机械提高0801班成员叶雪峰u200810557郑敏u200810544何小飞u200811259目录(content)1、实验设计1A、噪声分析实验:1一、实验目的:1二、实验原理:1三、实验过程:1四、实验结果:13五、实验结果分析:13B、球杆实验:13一、实验目的:13二、实验内容:13三、实验结果23四、实验结果分析:252、实验感想:253、实验分工:271、实验设计A、噪声分析实验:一、实验目的:1、书写频谱分析界面。2、实现SIMULINK的动态仿真。3、用试验台上的采集卡采集数据,并将其显示在所写的界
2、面中,对其进行频谱分析。二、实验原理:从采集卡采集外界的声音信号,将采集到的声音数据保存到workspace中,然后在界面程序中调用workspace中的文件,实现采集卡与界面间的数据传输,通过快速傅里叶变换,对这些数据进行频谱分析,并将分析结果显示在编写的界面中。最终实现噪声分析的功能。三、实验过程:1、首先是书写界面:我们建立了两个M文件,分别命名为yexuefeng.m和callpush.m。其代码及解释如下:Yexuefeng.mclfreset%删除原图形%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
3、设置属性set(gcf,'menubar','none')%将菜单键置空;set(gcf,'unit','normalized','position',[0.12,0.12,0.64,0.64]);%设置图形窗口的大小set(gcf,'defaultuicontrolunits','normalized');%设置为控件set(gcf,'defaultuicontrolfontsize',12);%字体设置大小为12;%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%定义坐标轴1%%%%%%h_axe
4、s1=axes('position',[0.05,0.6,0.4,0.35]);%设置坐标轴位置及其大小set(h_axes1,'xlim',[0,0.01]);%设置很坐标范围;title('采集的信息');%设置坐标的标题27xlabel('时间/s');%设置横坐标名称ylabel('幅值');%设置纵坐标名称%%%%%定义坐标轴2%%%%%%%h_axes2=axes('position',[0.55,0.6,0.4,0.35]);%设置坐标轴位置及其大小set(h_axes2,'xlim',[-0.01,0.01]);%设置很坐
5、标范围;title('自相关');%设置坐标的标题xlabel('时间差/s');%设置横坐标名称ylabel('幅值');%设置纵坐标名称%%%%%%坐标轴3%%%%%%%%h_axes3=axes('position',[0.05,0.15,0.4,0.35]);%设置坐标轴位置及其大小set(h_axes3,'xlim',[0,3000]);%设置很坐标范围;title('频谱分析');%设置坐标的标题xlabel('频率');%设置横坐标名称ylabel('幅值');%设置纵坐标名称%%%%%%%%%%%%%%%%%%%%%%%%
6、%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%设置编辑框htext1=uicontrol(gcf,'style','text','position',[0.50,0.35,0.08,0.05],'string','幅值1');%建立一个文本框hedit1=uicontrol(gcf,'style','edit','position',[0.6,0.35,0.06,0.05]);%建立一个编辑框,输入幅值1htext2=uicontrol(gcf,'style','text','posit
7、ion',[0.50,0.27,0.08,0.05],'string','频率1');%建立一个文本框hedit2=uicontrol(gcf,'style','edit','position',[0.6,0.27,0.06,0.05]);%建立一个编辑框,输入频率1htext3=uicontrol(gcf,'style','text','position',[0.50,0.19,0.08,0.05],'string','幅值2');%建立一个文本框hedit3=uicontrol(gcf,'style','edit','position
8、',[0.6,0.19,0.06,0.05]);%建立一个编辑框,输入幅值2htext4=uicontrol(gcf,'style','text','position',[0.50,0.11,