卡尔曼滤波器关于C语言的标准模型，结果收敛，模型正确。-Kalman filter on the standard model of the C language, the result of convergence, the model is correct.

C语言描述，MSP430F149单片机做的跷跷板小车，用了PID算法，还有卡尔曼滤波算法-C language descr iption, MSP430F149 microcontroller do seesaw car, with the PID algorithm, and Kalman filter algorithm