中国科学院机构知识库网格系统: 检索

浏览/检索结果: 共7条，第1-7条

帮助

条数/页：排序方式：
	Reconstruction of single-frame solar speckle image with cycle consistency loss and perceptual loss 会议论文 OAI收割 Shanghai, China, 2019-12-20 作者: Ren, Yonghui; Jiang, Murong; Fu, Zexin; Yang L(杨磊) \| 收藏 \| 浏览/下载：35/0 \| 提交时间：2020/07/06 Solar speckle image High resolution reconstruction Generative adversarial networks Cycle consistency loss Perceptual loss.
	Improved TOPS about direction of arrival estimation for wideband signals (EI CONFERENCE) 会议论文 OAI收割 2011 International Conference on Vibration, Structural Engineering and Measurement, ICVSEM2011, October 21, 2011 - October 23, 2011, Shanghai, China 作者: He B. 收藏 \| 浏览/下载：17/0 \| 提交时间：2013/03/25 The study about the direction-of-arrival (DOA) estimation for wideband signals is a basic topic of Signal Processing. The method called test of orthogonality of projected subspaces (TOPS) does not require initial values to form focusing matrix compared with the coherent signal subspace method (CSSM) but it has poor performance for coherent wideband signals at low signal-to-noise ratio (SNR). Based on the lack of the conventional TOPS this paper reconstructs a set of new matrices with the narrowband correlated matrices coming from the DFT decomposition of the array output and modifies the method frame of the conventional TOPS. So we get a set of reconstructed matrices with full rank corresponding to each frequency bin and which have no array aperture loss. The improved TOPS can estimate the DOA for coherent wideband sources at low SNR and enhances the performance of the conventional TOPS. Simulation results show that the improved TOPS is effective and the total performance of which is similar to the rotational signal-subspace (RSS) method. (2012) Trans Tech Publications.
	Optimization on motion estimation algorithm based on H. 264 (EI CONFERENCE) 会议论文 OAI收割 2010 3rd International Conference on Advanced Computer Theory and Engineering, ICACTE 2010, August 20, 2010 - August 22, 2010, Chengdu, China Wen X.; Li G. 收藏 \| 浏览/下载：56/0 \| 提交时间：2013/03/25 Motion estimation is a very important part of video compression. As a result of using precision of motion vector in H.264 encoder the computational cost increases rapidly and motion estimation is the most time-consuming stage. In this paper based on the UMHexagonS algorithm an optimized algorithm is proposed based on the dynamic search window selection big hexagon and small hexagon search mode respectively which saves motion estimation time effectively with a little quality loss. Experiments with some typical video sequences show that compared to the original UMHexagonS algorithm this new algorithm can save about 17.851 % motion estimation time and reduce the complexity of original scheme as well as enhance the real time performance of encoder and almost has no changes in the reconstructed picture quality and bitrates. 2010 IEEE.
	Development of a Superconducting Magnet System for Microwave Application 期刊论文 OAI收割 ieee transactions on applied superconductivity, 2010, 卷号: 20, 期号: 3, 页码: 1912-1915 作者: Ren Y(任勇) 收藏 \| 浏览/下载：33/0 \| 提交时间：2014/12/02 Magnetic field homogeneity structural design & analysis superconducting magnet zero loss.
	Clocking Effect in a Two-Stage Compressor with Different Inter-Blade-Row Gaps 期刊论文 OAI收割 JOURNAL OF THERMAL SCIENCE, 2004, 卷号: 13, 期号: 1, 页码: 8,15 Hongyan Huang; Haitao Yang; Guotai Feng; Zhongqi Wang 收藏 \| 浏览/下载：11/0 \| 提交时间：2013/03/11 clocking compressor gap wake loss.
	Clocking Effect in a Two-Stage Compressor with Different Inter-Blade-Row Gaps 期刊论文 OAI收割 JOURNAL OF THERMAL SCIENCE, 2004, 卷号: 13, 期号: 1, 页码: 8,15 作者: Hongyan Huang; Haitao Yang; Guotai Feng; Zhongqi Wang \| 收藏 \| 浏览/下载：14/0 \| 提交时间：2013/03/11 Clocking Compressor Gap Wake Loss.
	农家庭院沼气渣肥中N-NH_4~+的挥发损失及其防止途径的研究期刊论文 OAI收割生态学杂志, 1993, 期号: 2, 页码: 2 作者: 卢明远; 郭秀银; 梁文举收藏 \| 浏览/下载：17/0 \| 提交时间：2016/12/06 : methane—generating manure，NH—N　volatilization loss.