最小熵估计 [
zuì xiǎo shāng gū jì]
minimum entropy estimation
- 该方法利用了各阶运动参数对差波束回波谱宽度的不同贡献以及熵与谱宽度的关系,通过最大熵和最小熵分别对0阶和1阶以上角运动参数进行搜索,得到全局最优估计。
Using the relation between spectrum width and entropy and the different contributions devoted by each angle motion parameter to the echo spectrum width of the difference beam, the global optimal estimation is obtained through searching the angle motion parameters of zero and higher order via max-entropy and min-entropy respectively.