中文说明：对于初学matlab的同学会有帮助，包含CV、CA、Single、当前、恒转弯速率、转弯模型，复化三点Gauss-lengend公式求pi，采用偏最小二乘法，从先验概率中采样，计算权重，包括调制，解调，信噪比计算。
English Description：
For beginners matlab students have help, including CV, CA, single, current, constant turning speed and turning model, complex of three Gauss-lengend formula for PI, using partial least squares method, sampling from the prior probability, weight calculation, including modulation, demodulation, signal to noise ratio.