# 风压系数.zip

• 雄才伟略+
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• 2021-04-11 19:49
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matlab程序，用于求解一组平稳随机信号的平均值和脉动值。

• 0.1.Txt
46.7MB
• Cp.m
2.2KB

clear; clc W=importdata('0.1.txt'); %一号阀 for i=2:65 coe1(:,i-1)=W(:,i)/(1/2*1.225*7.76^2); coe1_mean(i-1)=mean(coe1(:,i-1)); coe1_rms(i-1)=std(coe1(:,i-1)); end; %二号阀 for j=2:65 coe2(:,j-1)=W(:,j+64)/(1/2*1.225*7.76^2); coe2_mean(j-1)=mean(coe2(:,j-1)); coe2_rms(j-1)=std(coe2(:,j-1)); end; %三号阀 for k=2:65 coe3(:,k-1)=W(:,k+128)/(1/2*1.225*7.76^2); coe3_mean(k-1)=mean(coe3(:,k-1)); coe3_rms(k-1)=std(coe3(:,k-1)); end; %四号阀 for m=2:65 coe4(:,m-1)=W(:,m+192)/(1/2*1.225*7.76^2); coe4_mean(m-1)=mean(coe4(:,m-1)); coe4_rms(m-1)=std(coe4(:,m-1)); end; %五号阀 for n=2:65 coe5(:,n-1)=W(:,n+256)/(1/2*1.225*7.76^2); coe5_mean(n-1)=mean(coe5(:,n-1)); coe5_rms(n-1)=std(coe5(:,n-1)); end; %汇总 fyxs=[coe1 coe2 coe3 coe4 coe5]; fymean=[coe1_mean coe2_mean coe3_mean coe4_mean coe5_mean]; fyrms=[coe1_rms coe2_rms coe3_rms coe4_rms coe5_rms]; load('duiy.txt'); for i=1:250 fyxslast(:,i)=fyxs(:,duiy(i)); fymeanlast(i,:)=fymean(:,duiy(i))'; fyrmslast(i,:)=fyrms(:,duiy(i))'; end fymean_1=fymeanlast(1:50,:); fymean_2=fymeanlast(51:100,:); fymean_3=fymeanlast(101:150,:); fymean_4=fymeanlast(151:200,:); fymean_5=fymeanlast(201:250,:); fystd_1=fyrmslast(1:50,:); fystd_2=fyrmslast(51:100,:); fystd_3=fyrmslast(101:150,:); fystd_4=fyrmslast(151:200,:); fystd_5=fyrmslast(201:250,:); data1=[fymean_1,fymean_2,fymean_3,fymean_4,fymean_5]; data2=[fystd_1,fystd_2,fystd_3,fystd_4,fystd_5]; t=1:50; figure(1) plot(t,data1(:,1),'ko') hold on plot(t,data1(:,2),'yo') hold on plot(t,data1(:,3),'ro') hold on plot(t,data1(:,4),'bo') hold on plot(t,data1(:,5),'mo') legend('条带1','条带2','条带3','条带4','条带5') figure(2) plot(t,data2(:,1),'ko') hold on plot(t,data2(:,2),'yo') hold on plot(t,data2(:,3),'ro') hold on plot(t,data2(:,4),'bo') hold on plot(t,data2(:,5),'mo') legend('条带1','条带2','条带3','条带4','条带5') xlswrite('pressure_data(mean).xls',data1,'平均风压系数','A1'); xlswrite('pressure_data(std).xls',data2,'脉动风压系数','A1'); display('jieshu')

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