德国四轴飞行器的姿态检测代码，具有详细的代码说明-Germany Four aircraft attitude detection code, a detailed descr iption of the code

四旋翼飞行器的控制算法，德国的控制程序，也有电调的控制程序，非常好的参考代码，不过要看懂，还需要些语言上的功力。-a flight control code getting from Germany,it is used for adquarter,and useful for the people who want to learn how to make it by himself.

利用matlab生成了德国、中国高低不平顺功率谱。(The high and low order power spectra of Germany and China were generated by matlab.)