declination angle

基本解释

It must be presented as a function of hour angle and declination of sun. By this reason, a receiver must continuously change its position with the move of sun at sky in a day.
指出焦线位置是太阳赤纬和时角的函数，因此吸热器必须随着太阳的周日视运动而不断改变位置。
How to complete the calculation of sun declination , sun right ascension, sun greenwich hour angle, greenwich hour angle of aries and sun local hour angle in Astronomical Position.
利用计算机完成天文定位中的太阳赤经、赤纬、太阳格林时角、春分点格林时角、测者地方时角的计算。
Especially, the importance of reducing the declination angle of antenna was emphasized and the effects of adjusting antenna declination angle on reducing homo-frequency interference were expounded.
特别提出了减小天线下倾角的重要性，以及天线下倾角调谐方式对减少同频干扰的作用。