AM RECEIVER based on super heterodyne principle virtually used in all modern radio and television receivers. The approach mainly involves the use of heterodyning or frequency mixing. The signal from the antenna is filtered sufficiently at least to re

使用超绿特征分割作物图像。具体来说，首先使用超绿特征将图像灰度化，然后经过中值滤波后，使用Otsu最大类内方差方法将图像二值化，得到分割图像。(The crop image is segmented by super green feature. Specifically, firstly, the image is grayed by Super-Green feature, and then after median filtering, the Otsu maximum intra-cla