太阳高度角matlab代码
时间: 2023-09-14 14:11:03 浏览: 139
太阳高度角的Matlab代码可以参考以下示例:
```matlab
function [hangle = sunshade1(year, month, day, time, latitude)
monthdays = [31 28 31 30 31 30 31 31 30 31 30 31];
latitude = deg2rad(latitude);
for i = 1:month-1
day = day + monthdays(i); % 积日
end
N0 = 79.6764 + 0.2422*(year-1985) - floor((year-1985)/4); % floor是向下取整函数
sunangle = 2*pi*(day-N0)/365.2422; % 日角
degangle = 0.3723 + 23.2567*sin(sunangle) + 0.1149*sin(2*sunangle) - 0.1712*sin(3*sunangle) - 0.758*cos(sunangle) + 0.3656*cos(2*sunangle) + 0.0201*cos(3*sunangle); % 太阳赤纬
degangle = deg2rad(degangle); % 角度转弧度
timeangle = deg2rad((time-12)*15); % 时角
hangle = asin(sin(latitude)*sin(degangle) + cos(latitude)*cos(degangle)*cos(timeangle));
hangle = rad2deg(hangle);
end
```
这段代码可以用来计算给定日期、时间和纬度下的太阳高度角。它接受年份、月份、日期、时间和纬度作为输入,然后返回太阳高度角。请注意,这里使用了一些辅助函数(例如deg2rad和rad2deg)来进行角度转换。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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