Time signal is accurate or not, directly related to people's daily life, industrial production and social development. People of the time precision requirements are also getting higher and higher. GPS ( Global Positioning System ) a rubidium atomic clock, stability can be achieved 10-15, GPS receiving module of the second pulse signal is composed of rubidium atomic clock frequency obtained, because of the transmission and positioning errors, a single second pulse signal in the presence of tens of nanoseconds error, but its long-term stability and rubidium atomic clock the same, while the GPS receiving module through the serial output UTC ( Coordinated Universal Time ) standard, to overcome the GPS receiver second pulse signal jump brought influence, is the real reappearance" UTC time reference".This paper presents a GPS based high precision digital clock design. By using the REB-3571LP GPS module receives the satellite signal, through asynchronous serial communication interface transmits the data to the STC12C5A60S2 MCU time marker, and then through the GPS second pulse time count, get real time, so as to realize the high precision timing in GPS.This paper introduces the GPS board output data form, and the most commonly used GPRMC data format of output, prepare relevant receiving program. The system also extends the DS18B20 temperature sensor, the DS1302 clock chip, keyboard scan and a buzzer and other functions. Given the system hardware design and software design flow.
追问请问你是用什么翻译器翻译的？
追答百度，你百度一下，有很多种哦，望采纳。
追问可是感觉有那么点不妥，麻烦你了，谢谢！
追答不用谢。