This paper presents an adaptive information fusion method to improve the accuracy and reliability of the altitude measurement information for small unmanned aerial rotorcraft during the landing process. Focusing on the low measurement performance

利用了小波分析以及自适应性卡尔曼滤波降低了信噪比，非常实用的论文-Use of wavelet analysis and adaptive Kalman filter reduces the signal to noise ratio, very practical papers