使用Keil uVision3环境下，针对C8051F350芯片开发HMC5883L的基于I2C接口的数据传输程序。实现HMC5883L地磁分量信息的读取，采用串口传输。-Using Keil uVision3 environment for C8051F350 chip development HMC5883L I2C interface based data transmission procedures. Achieve HMC5

附件为C或MATLAB实现全球各地地磁分量的计算程序截图，有西安的地磁分量计算结果截图。附带IGRF12的球谐系数。有需要的有偿提供源码及技术支持。联系QQ：631095275.-Attachment is C or MATLAB application screenshots of geomagnetic component across the world, have xi an geomagnetic component cal

最新的IGRF国际地磁参考场计算程序（2015）。输入经纬度、海拔及时间，可计算地磁场各分量及日变情况。(The latest IGRF international geomagnetic reference field calculation program (2015). Input latitude and longitude, elevation and time, and can calculate the magnetic

labview调用matlab程序，利用最新的IGRF12球谐系数计算地磁分量的应用程序。无源码。计算结果正确。(LabVIEW calls the matlab program and uses the latest IGRF12 spherical harmonic coefficients to calculate the application of the geomagnetic component. No source co