机构

• 长春光学精密机械与物... [2]
• 物理研究所 [1]

采集方式

• OAI收割 [3]

内容类型

• 会议论文 [2]
• 期刊论文 [1]

发表日期

• 2014 [1]
• 2011 [1]
• 2008 [1]

学科主题

筛选

浏览/检索结果: 共3条，第1-3条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择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作者升序作者降序 Compact High-Temperature Superconducting Filter Using Multimode Stub-Loaded Resonator 期刊论文  OAI收割 IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, 2014, 卷号: 24, 期号: 2 Liu, HW; Lei, JH; Guan, XH; Zhao, YL; Sun, L; He, YS 收藏  |  浏览/下载：35/0  |  提交时间：2015/04/14 Even-odd mode  grounding technique  high-temperature superconducting (HTS)  multimode resonator  multiple-band filter   Study on infrared transparent radar double band-pass filter (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Mechatronics and Materials Processing, ICMMP 2011, November 18, 2011 - November 20, 2011, Guangzhou, China Jia H. Y.; Feng X. G. 收藏  |  浏览/下载：28/0  |  提交时间：2013/03/25 To realize the functions of infrared transparent as well as radar double- pass Band  A Y loop and Y slot compound element Frequency Selective Surface (FSS) structure is proposed  which takes an infrared transparent inductive mesh as a substrate. The proposed structure is analyzed based on Galerkin spectral method. The transitivity of infrared (3um-5um) as well as the radar double passed band with two resonance frequencies (31GHz and 54GHz) is discussed. The result reveals that this structure has function of infrared transparent as well as stable radar double-band filter with effective shielding effect on S-band and C-band radar electromagnetic waves. The design with multiple passband is suitable for radar/IR composite guidance and it also offers a kind of new thinking way of design for multi-mode compound guidance systems. 2011 Trans Tech Publications.   Wavelet-based contourlet coding using SPECK algorithm (EI CONFERENCE) 会议论文  OAI收割 2008 9th International Conference on Signal Processing, ICSP 2008, October 26, 2008 - October 29, 2008, Beijing, China Xiu-Wei T.; Xi-Feng Z.; Tie-Fu D. 收藏  |  浏览/下载：58/0  |  提交时间：2013/03/25 We proposed a new still image compression algorithm called CSPECK witch was constructed by the wavelet-based contourlet transform (WBCT) and set partitioning embedded block coding (SPECK). In the WBCT  the high frequency sub-band decomposed by the wavelet transform was further decomposed into multiple directional sub-bands by directional filter bank so as to explain the edge and texture of the image more sparsely. The SPECK algorithm exhibits lower complexity and more efficient compression ratio than SPIHT based on WBCT. Experimental results demonstrate that the proposed method is efficient in coding images that possess mostly textures and contours. The simulation results also show that this new coding algorithm increases the PSNR over CSPIHT. 2008 IEEE.