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žçÀÇ ÃµÁ¤°¢ (Solar zenith angle) °è»ê

ÀÛ¼ºÀÚ Uploader : sunflower ÀÛ¼ºÀÏ Upload Date: 2022-02-22º¯°æÀÏ Update Date: 2022-02-22Á¶È¸¼ö View : 1524

cos(¥è) = sin(h) = sin(¥ä) * sin(¥õ) + cos(¥ä) * cos(¥õ) * cos(H)

¥è (žçÀÇ ÃµÁ¤°¢, Solar zenith angle)
h (žçÀÇ °íµµ°¢, the solar altitude angle) : -90¡Æ ~ +90¡Æ
¥ä (žçÀÇ ÀûÀ§, the current declination of the Sun) : -23.5¡Æ ~ +23.5¡Æ
¥õ (À§µµ, the local latitude) : -90¡Æ ~ +90¡Æ (³²±Ø ~ ºÏ±Ø)
H (½Ã°¢, the hour angle, in the local solar time) : -180¡Æ ~ +180¡Æ (00½Ã´Â -180¡Æ, 06½Ã´Â -90¡Æ, 12½Ã´Â 0¡Æ, 18½Ã´Â +90¡Æ, 24½Ã´Â +180¡Æ)

µû¶ó¼­,

h = arcsin(sin(¥ä) * sin(¥õ) + cos(¥ä) * cos(¥õ) * cos(H))

¥è = 90 - arcsin(sin(¥ä) * sin(¥õ) + cos(¥ä) * cos(¥õ) * cos(H))

ÀÌ´Ù.


*** Âü°í¹®Çå[References] ***

https://en.wikipedia.org/wiki/Solar_zenith_angle
¥è = 90 - arcsin(sin(¥ä) * sin(¥õ) + cos(¥ä) * cos(¥õ) * cos(H))
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