synchronous overlap and add SOLA
algorithm of self-learning algorithm
BP algorithm Error Back Propagation Algorithm
accumulated pitch error
accumulative pitch error
adjustable pitch propell
adjustable pitch propeller
可调螺距螺旋桨
可调距螺桨
可调整螺距螺旋桨
调距螺旋桨
可变螺距螺旋桨
调距推进器
变距推进器
变距螺桨
可掂螺旋桨
adjustable radius and pitch