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    發布日期: 2021-04-13
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資源簡介

能根據時間、潮位數據,自動計算高潮位、低潮位及相應的時間和潮差值,出圖并將計算結果保存在excel文件

資源截圖

代碼片段和文件信息

clc
clear
Data=importdata(‘200901大橫琴潮位.xls‘);
Level=Data.data;
TimeNum=datenum(Data.textdata(:1));
Time1=datetime(TimeNum‘ConvertFrom‘‘datenum‘);

%%?作圖
figure(1)
subplot(211)
plot(Time1Level‘b-‘);
title(‘潮位變化過程圖‘‘fontsize‘16);
ylabel(‘潮位/m‘‘fontsize‘16);
xlabel(‘時間‘‘fontsize‘16);
grid?on;
hold?on
%%?高潮位點&時間
N1=zeros;
for?n=2:length(Level)-1
????if?Level(n-1)<=Level(n)&&Level(n)>=Level(n+1)
????????N1=[N1;n];
????end
end
N1(1)=[];
for?m=2:length(N1)-1
????if?Level(N1(m))????????N1(m)=0;
????end?%
end
N1(N1==0)=[];
for?h=2:length(N1)
????if?abs(N1(h-1)-N1(h))<=2
????????if?N1(h-1)>=N1(h)
?????????????N1(h)=0;
????????else
???????????N1(h-1)=0;
????????end????????
???end??
end
N1(N1==0)=[];

TimeGao=Time1(N1:);
for?k=1:length(N1)
????plot(Time1(N1(k)1)Level(N1(k))‘r*‘);
????hold?on;
end
clear?m?n??k?h

Gao=zeros;Lows=zeros;Temp=zeros;Temp2=zeros;Lowk=zeros;
for?m=1:length(N1)-1
????Gao(m)=Level(N1(m));?
????Testk=min(Level(N1(m):N1(m+1)));
????Testkk=find(Level(N1(m):N1(m+1))==Testk);
????Testkkk=N1(m)+Testkk-1;
????Test=max(Testkkk);
????Lowk=[Lowk;Test];
????plot(Time1(Lowk(end))Level(Lowk(end))‘kp‘);
????hold?on?
end
clear?Temp?Temp2?Test?Testk?Testkk?Testkkk
%legend({‘Test‘‘高潮位點‘‘低潮位點‘}‘FontSize‘12)%‘‘);
legend(‘boxoff‘)
GaoLevel=Level(N1(1:end-1));
LowLevel=Level(Lowk(2:end));
GaoTime=datevec(TimeNum(N1(1:end-1)));
LowTime=TimeNum(Lowk(2:end));
GaoTemp=Data.textdata(N1(1:end-1));%時間數組轉化成矢量
LowTemp=Data.textdata(Lowk(2:end));
DeltaHL=GaoLevel-LowLevel;
DeltaLH=LowLevel-Level(N1(2:end));
Exceltitle={‘高潮位時間‘‘高潮位值(m)‘‘低潮位時間‘‘低潮位值(m)‘‘超差(+)‘‘超差(-)‘};
xlswrite(‘ResultChaoWei11.xlsx‘Exceltitle‘sheet1‘‘A1‘);
xlswrite(‘ResultChaoWei11.xlsx‘GaoTemp‘sheet1‘‘A2‘);
xlswrite(‘ResultChaoWei11.xlsx‘GaoLevel‘sheet1‘‘B2‘);
xlswrite(‘ResultChaoWei11.xlsx‘LowTemp‘sheet1‘‘C2‘);
xlswrite(‘ResultChaoWei11.xlsx‘LowLevel‘sheet1‘‘D2‘);
xlswrite(‘ResultChaoWei11.xlsx‘DeltaHL‘sheet1‘‘E2‘);
xlswrite(‘ResultChaoWei11.xlsx‘DeltaLH‘sheet1‘‘F2‘);

subplot(212)
bar(Time1(N1(1:end-1)1)DeltaHL‘FaceColor‘[000.8]‘BarWidth‘1);
hold?on
bar(Time1(Lowk(2:end)1)DeltaLH‘FaceColor‘[0.800]‘BarWidth‘1.5);
legend({‘落潮潮差‘‘漲潮潮差‘}‘FontSize‘12);
legend(‘boxoff‘);
legend(‘Location‘‘northwest‘);
title(‘潮差值分布圖‘‘fontsize‘16)
ylabel(‘潮差值/m‘‘fontsize‘16);
xlabel(‘時間‘‘fontsize‘16);
grid?on;
set(gcf‘position‘[100?100?1600?900]);
saveas(gcf‘0901大橫琴‘‘jpg‘)?;?





?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2713??2018-10-18?17:39??Tide.m

-----------?---------??----------?-----??----

?????????????????2713????????????????????1


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