@article{202410.2176, doi = {10.20944/preprints202410.2176.v1}, url = {https://doi.org/10.20944/preprints202410.2176.v1}, year = 2024, month = {October}, publisher = {Preprints}, author = {Haoyu Tian and Feng Gao and Yuwei Meng and Xiaoyan Jia and Rongdong Yu and Zhan Wang and Zicheng Liu}, title = {Multi-Frequency Microwave Sensing System with Frequency Selection Method for Pulverized Coal Concentration}, journal = {Preprints} }