NEMA协议校验值的计算

http与cmwap建立连接(Symbian)-err

用vc写的，从PC访问cy7c68013芯片的驱动程序-vc used to write, visit cy7c68013 from PC Chip Driver

利用GPS作为时钟源实现精确计时，方便实用，定时精度达到300ns以内。 -The use of GPS as a clock source to achieve accurate timing, convenient and practical, timing accuracy of less than 300ns.

GPS源码，比较详细的介绍了，数据是怎么接收，怎么定位的-GPS source, more detailed introduction, the data is how to receive, how positioning

这个程序能很智能地计算贴片天线的各个参数，只要给出其中的任意参数就能计算出其他-This process can be very smart to calculate the various parameters of patch antenna, as long as give them any other parameters can be calculated

这是 GPS L5 代码生成器

解析GPS 串口的NMEA报文的类。有GGA,GSA,GSV,RMC,RMB等报文的解析-GPS NMEA CLASS

进行惯导的代码，C语言；进行惯导的代码，C语言-For inertial navigation code, C language for inertial navigation code, C language

GPS解算算法，解算星例，求解位置，转换位置，估算大气延迟，修正本地时钟等；

完成com口gps通讯，程序自动获得gps定位信息，并将其转化为北京时间-Com I completed gps communications, procedures automatically receive gps positioning information, and translate them into Beijing