uts时间系统向GPS时间系统的转换

this function change Global Positioning System(GPS) time into Universal Time Coordinated(UTC).

GPS接收机解出的星历时间包含周和周内秒，通过该程序可以把周和周内秒转换成公历时间（UTC）-GPS receiver ephemeris time solution contains the weeks and weeks of seconds, the program can convert weeks and weeks seconds Gregorian calendar time (UTC)

正常年月日，计算UTC时间，用于测绘中GPS记时转化(Normal (date) (month) (year), calculate the UTC time)