|
|
|
|
|
Langyu Wang, Yan Zhang, Yahong Lin, Shuai Yan, Yuanyuan Xu and Bo Sun
Aiming at the problem of insufficient feature extraction, low precision, and recall in sea surface ship detection, a YOLOv5 algorithm based on lightweight convolution and attention mechanism is proposed. We combine the receptive field enhancement module ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lina Guo, Li Chen, Rong Lin, Minghui Zhang, Yiming Dong, Yahong Chen and Yangjian Cai
A specially correlated radially polarized (SCRP) beam with unusual physical properties on propagation in the paraxial regime was introduced and generated recently. In this paper, we extend the paraxial propagation of an SCRP beam to the nonparaxial regim...
ver más
|
|
|
|
|
|