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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Estimation model for steady infiltration rate and wetting pattern of aeolian sandy soil under vertical pipe surface drip irrigation 期刊论文 Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering, 2021, 卷号: 37, 期号: 7, 页码: 103-111 作者:  Fan, Yanwei;  Wang, Yanxiang;  Zhu, Pengcheng;  Yang, Zhiwei 收藏  |  浏览/下载：25/0  |  提交时间：2022/02/17 Irrigation  Mean square error  Ponding  Predictive analytics  Sand  Seed  Soils  Water conservation  Water resources  Wetting  Average absolute error  Cumulative infiltrations  Drip irrigation systems  Infiltration characteristic  Root mean square errors  State-of-the-art techniques  Steady infiltration rate  Water balance equation   Study on subcarrier and power allocation algorithm for downlink transmission in multiuser OFDM system 会议论文 Shanghai, China, December 20, 2008 - December 22, 2008 作者:  Li, Suo-Ping;  Tian, Xiu-Feng;  Li, Min 收藏  |  浏览/下载：5/0  |  提交时间：2020/11/15 Orthogonal frequency division multiplexing  Downlink transmissions  Greedy algorithms  Joint allocation  Multi-user  Multiuser OFDM systems  Static allocation algorithms  Subcarrier and power allocation  Water-filling algorithm   Study on Subcarrier and Power Allocation Algorithm for Downlink Transmission in Multiuser OFDM System 会议论文 作者:  Li Suo-ping;  Tian Xiu-feng;  Li Min 收藏  |  浏览/下载：0/0  |  提交时间：2019/11/15 OFDM  Multiuser  Subcarrier and power allocation  Water-filling algorithm  Greedy algorithm