QQ客服 官方微博 反馈留言

浏览/检索结果: 共3条，第1-3条 帮助 限定条件 内容类型：会议论文    专题：兰州大学    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 Cooperative energy transfer of Er-Gd-Tb system in Tb3+, Er3+ co-doped K2GdZr(PO4)3 as a potential visible quantum cutting phosphor 会议论文 2014 International Conference on Materials Science and Engineering Technology, MSET 2014, Shanghai, China, June 28, 2014 - June 29, 2014 作者:  Niu, Liang Feng;  Liang, Wei;  Wu, Chang Zeng;  Wang, Yu Hua 收藏  |  浏览/下载：2/0  |  提交时间：2017/01/20 Erbium  Energy transfer  Engineering technology  Light emission  Materials science  Phosphors  Solid state reactions  Cooperative energy transfers  Downconversion  Photoluminescence properties  Quantum cutting  Solid state reaction method  Spectral characteristics  Ultra-violet  Vacuum ultraviolets   Photon cascade emission of Pr3+-doped K2YZr(PO4)3 Phosphor 会议论文 2013 International Conference on Material Science and Engineering, ICMSE 2013, Guilin, Guangxi, China, October 4, 2013 - October 6, 2013 作者:  Liang, Wei;  Niu, Liang-Feng;  Gao, Yuan-Hao;  Wang, Yu-Hua 收藏  |  浏览/下载：6/0  |  提交时间：2017/01/20 Photons  Excited states  Light emission  Materials science  Phosphors  Photoluminescence  Solid state reactions  Photoluminescence properties  Photon cascade emissions  Solid state reaction method  Ultra-violet  Vacuum ultraviolets   Pornographic audios detection using MFCC features and vector quantization 会议论文 2010 International Conference on Computational and Information Sciences, ICCIS2010, Chengdu, Sichuan, China, December 17, 2010 - December 19, 2010 作者:  Qu, Zhiyi;  Yu, Jing;  Niu, Qiang 收藏  |  浏览/下载：2/0  |  提交时间：2017/01/18 Speech recognition  Algorithms  Information science  Vector quantization  Vectors  Audition system  Auditory feature  Codebooks  Euclidean distance  Human being  Mel-frequency cepstral coefficients  Pornographic audios detection  Speaker recognition system  VQ algorithm