Cover Letter控制在一页比较好，简短有力地推荐你的文章。

Dear Editors:

Small objects detection in remote sensing field remains several challenges, including complex backgrounds, limited pixel representation, and dense object distribution, which can hinder detection accuracy. （背景与问题）To tackle these issues, we propose 你的模型, 包括有XX效果的模块一、有XX优势的模块二、有XX创新的模块三. Our experimental results demonstrate that 你的模型 achieves 达到的效果, outperforming state-of-the-art methods（有特点的地方可以用不同颜色，或者斜体、加粗）. Moreover, our discussion highlights 你的方法's scalability and efficiency, confirming its potential for real-time applications while maintaining robust detection performance across various object scales and complex scenarios. Overall, 你的方法 represents a significant advancement in small object detection, making a significant contribution to remote sensing field.We believe that our manuscript will be of interest to researchers working in this field.（套话）

Therefore, we would like to submit the enclosed manuscript entitled “你的论文名字”, which we wish to be considered for publication in 想要投稿的刊物. No conflict of interest exists in the submission of this manuscript, and the manuscript is approved by all the authors for publication. I would like to declare on behalf of my co-authors that the work described is original research that has not been published previously, and is not under consideration for publication elsewhere, in whole or in part. All the authors listed have approved the manuscript that is enclosed.

Again we deeply appreciate your consideration of our manuscript and give it a chance to get into the formal peer review process. Of course, if you have any queries, please don’t hesitate to contact me at the address below.

Thank you and best regards.

Yours sincerely,

你的名字

E-mail: 你的邮箱

注意，最好用教育邮箱或者单位邮箱，否则可能会出问题。