{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"针对航天光学遥感成像系统输出通道多、输出速率高的特点,提出一种高速、多通道CCD图像数据并行处理与传输系统的设计方案.该方案以FPGA为数据处理和控制核心,采用基于FPGA区域并行处理的数据处理方法,运用FPGA内部块RAM构建高速多通道CCD图像的缓冲区,在存取控制上采取区域缓存和时分复用的策略完成对高速多通道CCD图像数据的实时处理;而对高速多通道CCD图像数据的传输采用基于Channel link高速差分串行传输技术,以高速差分串行的LVDS(Low Voltage Differential Signal)数据流替代传统的并行\"TTL/COMS\"信号进行传输,使系统高速传输能力大大加强,并且功耗低,抗干扰能力强.研究结果表明,该设计具有较好的稳定性、灵活性和通用性等,并已成功运用于某40通道高速CCD成像系统中,系统并行处理和传输的总数据率高达7.68 Gbit/s.","authors":[{"authorName":"张贵祥","id":"5d3c07b4-6828-4327-abf7-0f2fc90b3bed","originalAuthorName":"张贵祥"},{"authorName":"金光","id":"a93f1174-5adb-4f95-9d78-ba09a5341fd7","originalAuthorName":"金光"},{"authorName":"郑亮亮","id":"714ad3e2-8c51-4952-86ed-0563bf76bbc1","originalAuthorName":"郑亮亮"},{"authorName":"张刘","id":"1fc28d85-9f8b-4248-b093-d0e55696b336","originalAuthorName":"张刘"}],"doi":"10.3788/YJYXS20112603.0397","fpage":"397","id":"4f02bd4c-f0a3-4a14-9ca0-4f5cbbd46a39","issue":"3","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 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"},"keywords":[{"id":"2f922fb4-cbb2-4dca-b276-8f9754f2c4e0","keyword":"双线并行","originalKeyword":"双线并行"},{"id":"5210b7fd-8f55-441d-9aaf-7096123d86fc","keyword":"隧道结构","originalKeyword":"隧道结构"},{"id":"384fc59c-3577-4578-908d-3291137bffb7","keyword":"喷淋系统","originalKeyword":"喷淋系统"}],"language":"zh","publisherId":"tlgy200808009","title":"用于汽车内饰件涂装生产线的双线并行前处理设备","volume":"38","year":"2008"},{"abstractinfo":"介绍了嵌入式邻域图像并行处理机(Neighborhood Image Parallel Computer,NIPC-3e)的液晶显示系统设计.该系统可以显示实景图像或者是经过邻域图像并行处理机处理后的结果图像.文章给出了一种基于FPGA、SRAM、CPLD和SDRAM的液晶显示控制设计方案,详细介绍了CPLD与NIPC-3e的接口设计、基于CPLD的LCD时序驱动设计和基于CPLD的SDRAM时序控制逻辑设计.该系统已成功地应用在NIPC-3e上,可以实现人脸检测和手势识别等功能.","authors":[{"authorName":"吉倩倩","id":"cd5cc2ff-7679-4d9f-82cb-b1e028f0e918","originalAuthorName":"吉倩倩"},{"authorName":"苏光大","id":"0f303b15-76ca-497f-a6f2-b62dedea123d","originalAuthorName":"苏光大"},{"authorName":"向守兵","id":"85f0d2ab-f8b8-48dd-89b4-590b42d611f1","originalAuthorName":"向守兵"}],"doi":"10.3788/YJYXS20112606.0768","fpage":"768","id":"7ade7349-90b5-4018-bb9b-722bb387e8c8","issue":"6","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"1c90c5f1-7088-4ce1-9275-64202a273697","keyword":"邻域图像并行处理机","originalKeyword":"邻域图像并行处理机"},{"id":"69a4a867-80bf-4e16-a839-11829fbed84e","keyword":"CPLD","originalKeyword":"CPLD"},{"id":"d1830e17-24c1-480d-827c-80cf74bf8741","keyword":"SDRAM","originalKeyword":"SDRAM"},{"id":"14f7783b-6efd-4ebb-8bb5-fb174a5487cf","keyword":"液晶显示","originalKeyword":"液晶显示"}],"language":"zh","publisherId":"yjyxs201106011","title":"嵌入式邻域图像并行处理机的液晶显示系统设计","volume":"26","year":"2011"},{"abstractinfo":"本文为CdznTe(CZT)二元并行探测器设计并制作了信号处理系统电路,包括前置放大电路,差分放大电路,极零相消电路,滤波成形电路,微调电路和基线恢复电路和加和电路.137Cs(662keV)辐射下的信号,经过差分放大,极零相消和滤波成形电路的输出,信号持续时间在10μs内,幅度为260mV,两路信号相加后信噪比大于15:1.能谱测试初步结果表明:采用这个信号处理系统,二元CZT并行探测器对137Cs(662keV)源的探测效率分别是单元器件的1.74和2.2倍,能量分辨率接近于单元器件.","authors":[{"authorName":"施朱斌","id":"56f692bb-6f11-438d-a756-4ffb1220462b","originalAuthorName":"施朱斌"},{"authorName":"桑文斌","id":"30e9bae4-3cb3-408f-a543-d254e3e51640","originalAuthorName":"桑文斌"},{"authorName":"钱永彪","id":"55201168-f0cf-43f0-bc64-4471ce71b053","originalAuthorName":"钱永彪"},{"authorName":"滕建勇","id":"df21250a-86e5-4cd2-8ad0-94d38c75972a","originalAuthorName":"滕建勇"},{"authorName":"闵嘉华","id":"c6c9e836-1f6a-41d1-9d10-d370eb317252","originalAuthorName":"闵嘉华"},{"authorName":"樊建荣","id":"221c19b4-202e-4d26-b3ea-94f0a3c6c478","originalAuthorName":"樊建荣"},{"authorName":"胡冬妮","id":"5f248d65-eafb-4864-972a-a255fcc1315a","originalAuthorName":"胡冬妮"}],"doi":"10.3969/j.issn.1007-4252.2009.03.006","fpage":"243","id":"f851792c-baf9-4f23-9dfc-d7f23719b459","issue":"3","journal":{"abbrevTitle":"GNCLYQJXB","coverImgSrc":"journal/img/cover/GNCLYQJXB.jpg","id":"34","issnPpub":"1007-4252","publisherId":"GNCLYQJXB","title":"功能材料与器件学报 "},"keywords":[{"id":"c0a3397e-1bbe-40b3-bd37-b4dcfac59a53","keyword":"二元并行探测器","originalKeyword":"二元并行探测器"},{"id":"47a9fef1-9477-4c8c-b4a8-2386cc78f9c1","keyword":"CdZnTe探测器","originalKeyword":"CdZnTe探测器"},{"id":"64524b92-db24-4c05-866d-0e90cc258e47","keyword":"信号处理","originalKeyword":"信号处理"},{"id":"4efe4590-2ac3-4623-ba57-642f92528228","keyword":"读出电路","originalKeyword":"读出电路"}],"language":"zh","publisherId":"gnclyqjxb200903006","title":"二元并行CdZnTe探测器读出电路及信号处理方法","volume":"15","year":"2009"},{"abstractinfo":"针对目前现有高动态范围图像(HDRI)的合成算法因复杂度高而难以应用于强实时系统的缺点,本文提出了一种适用于并行运算处理硬件的基于多曝光时间的实时HDRI合成算法.该方法首先完成探测器光照响应曲线的生成与标定,然后在现场可编程门列阵(FPGA)中通过数字信号处理技术完成多曝光图像序列的场景照度恢复以及像素的实时融合.仿真验证结果表明,该算法能够正确[J]有效地在FPGA中执行,可达到实时HDRI获取的设计要求.","authors":[{"authorName":"王旋","id":"26a56c4f-18ea-4f37-a10f-ab40fd196d27","originalAuthorName":"王旋"},{"authorName":"陈忻","id":"75a30475-801d-42a0-9341-0578ea09ef96","originalAuthorName":"陈忻"},{"authorName":"刘巍","id":"7ea9db96-60a9-4bb6-b9f8-986abb26d789","originalAuthorName":"刘巍"}],"doi":"10.7517/j.issn.1674-0475.2015.04.330","fpage":"330","id":"fef3a5b3-1679-4cfd-a404-f232fd31660a","issue":"4","journal":{"abbrevTitle":"YXKXYGHX","coverImgSrc":"journal/img/cover/YXKXYGHX.jpg","id":"74","issnPpub":"1674-0475","publisherId":"YXKXYGHX","title":"影像科学与光化学 "},"keywords":[{"id":"0aeacc56-a38d-4e41-8595-d6fddd40e28d","keyword":"高动态范围图像","originalKeyword":"高动态范围图像"},{"id":"3fddfc7b-f035-4217-ba07-fc6e6401ddc0","keyword":"数字信号处理","originalKeyword":"数字信号处理"},{"id":"29fbdcca-4d60-4ef6-966f-218524238561","keyword":"FPGA","originalKeyword":"FPGA"}],"language":"zh","publisherId":"ggkxyghx201504009","title":"一种适用于并行运算处理的实时高动态范围图像合成算法研究","volume":"33","year":"2015"},{"abstractinfo":"基于分块非结构化网格上的SIMPLE算法、区域分解算法及MPI并行编程方法,给出了一种并行计算流体力学实旖方案。提出了“串行粗粒度,并行细粒度”的区域分解及网格划分方法;依据内边界网格界面上的通量守恒原则,推导出了子区域间内界面上的变量传递关系式。在魔方计算机上使用500处理器核完成了两类流动问题计算。研究表明,并行计算结果、串行计算结果与基准解吻合很好,通信时间、cache命中率对并行加速比有显著影响。","authors":[{"authorName":"赵磊","id":"91ebd878-b9b3-409c-bc68-8daedf46efeb","originalAuthorName":"赵磊"},{"authorName":"张楚华","id":"d26c0c31-a371-4646-95bf-e282345d864b","originalAuthorName":"张楚华"},{"authorName":"刘波","id":"f4569cd7-76ba-4038-92a4-ec470cae63dc","originalAuthorName":"刘波"}],"doi":"","fpage":"2092","id":"12a595a6-ea20-4457-9d58-a93c107f2666","issue":"12","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"37f08132-fa44-4fe9-8356-c3c3efde6f6c","keyword":"并行计算流体力学","originalKeyword":"并行计算流体力学"},{"id":"89a5fe18-cd95-400b-afa0-c5ef34364a9a","keyword":"SIMPLE算法","originalKeyword":"SIMPLE算法"},{"id":"c79be175-9fb8-45ba-9339-c3cd3582a84f","keyword":"区域分解算法","originalKeyword":"区域分解算法"},{"id":"9352a65f-a13d-4bed-9cc9-780b769613c9","keyword":"加速比","originalKeyword":"加速比"},{"id":"93e853fd-0f70-4b21-8d49-6ee7bbeedc27","keyword":"MPI","originalKeyword":"MPI"}],"language":"zh","publisherId":"gcrwlxb201212019","title":"压力修正算法的并行实现方法研究","volume":"33","year":"2012"},{"abstractinfo":"本文对非结构网格中U-RANS/PDF混合方法的并行计算进行了研究,通过对方柱绕流的数值模拟,讨论了并行程序的有效性和计算效率.非结构网格上U-RANS/PDF混合方法的并行计算,提高了PDF方法的计算效率和处理复杂几何结构的能力,使得PDF方法能够方便地应用于实际燃烧问题.","authors":[{"authorName":"陈辉","id":"9c0ff8e8-52db-4bcf-96c2-0960daa7993e","originalAuthorName":"陈辉"},{"authorName":"朱旻明","id":"cfc890f4-90f4-45a1-bfcb-e30ca87e3b3f","originalAuthorName":"朱旻明"},{"authorName":"叶桃红","id":"d77e2d50-157d-4b9c-a2da-c6382e952aba","originalAuthorName":"叶桃红"},{"authorName":"刘明侯","id":"7e2574f7-e66b-48ee-ae62-c323b080e495","originalAuthorName":"刘明侯"},{"authorName":"陈义良","id":"9de5b31d-10f0-44b9-bace-c4dc1fba8ce6","originalAuthorName":"陈义良"}],"doi":"","fpage":"1051","id":"8325966a-e80e-48a4-8236-c7c15c052eda","issue":"6","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"7d37b627-313c-4100-81b5-75efa4fa2bbb","keyword":"概率密度函数方法","originalKeyword":"概率密度函数方法"},{"id":"34342731-bd6b-4574-9160-9ebff3434245","keyword":"并行计算","originalKeyword":"并行计算"},{"id":"5d2308c5-8125-4aa3-be0c-3230342353b1","keyword":"方柱绕流","originalKeyword":"方柱绕流"},{"id":"e34fd761-ea24-48bf-918e-2cd48e6fb793","keyword":"涡旋脱落","originalKeyword":"涡旋脱落"},{"id":"3b23cb22-2970-4156-92dd-c395a1f12438","keyword":"Monte Carlo方法","originalKeyword":"Monte Carlo方法"}],"language":"zh","publisherId":"gcrwlxb200806040","title":"U-RANS/PDF方法的并行计算研究","volume":"29","year":"2008"},{"abstractinfo":"针对SIFT、SURF等局部不变特征在大尺寸图像上匹配时过于耗时的问题,将FREAK算子应用于图像匹配中,并提出一种多线程并行加速方法.首先介绍FREAK描述子的特征点的检测、特征描述向量的生成和特征向量的匹配的过程,并分析其优势.其次提出并行处理的2种思路:一是对待匹配图像进行有重叠的分块,对于每一块子图像,开辟新的线程分别进行处理;二是对匹配过程的3个步骤,采用流水线技术进行并行处理,每检测出一个特征点,随即提取出该点的特征向量,然后和模板图像的特征向量集进行匹配.改写SIFT、SURF和FREAK算法进行实验验证,结果证明FREAK计算过程比SIFT和SURF快得多,而并行方法可以在保证匹配精度的同时明显缩短匹配时间.","authors":[{"authorName":"王灿进","id":"42a65bc8-b320-4bc7-83ac-79843e629923","originalAuthorName":"王灿进"},{"authorName":"孙涛","id":"7c31c746-5ebd-4154-a065-58144f4dc403","originalAuthorName":"孙涛"},{"authorName":"陈娟","id":"69d7e06f-e6a6-4be7-a600-d1ffbd0bb0e5","originalAuthorName":"陈娟"}],"doi":"10.3788/YJYXS20142902.0266","fpage":"266","id":"4f5f87c6-ad35-459f-9ab4-ddfe7448a5e7","issue":"2","journal":{"abbrevTitle":"YJYXS","coverImgSrc":"journal/img/cover/YJYXS.jpg","id":"72","issnPpub":"1007-2780","publisherId":"YJYXS","title":"液晶与显示 "},"keywords":[{"id":"df0f869e-9dbf-4164-91e0-3297f756131b","keyword":"FREAK算子","originalKeyword":"FREAK算子"},{"id":"256e2f5d-cbf2-4eca-a7aa-7914766a0f82","keyword":"局部不变特征","originalKeyword":"局部不变特征"},{"id":"cf2f1514-249f-4d04-901c-6b6fd35eb672","keyword":"图像匹配","originalKeyword":"图像匹配"},{"id":"4df772e7-8063-4909-82c9-8307709bac20","keyword":"并行","originalKeyword":"并行"},{"id":"46211641-6066-401c-ae76-e0288abc444f","keyword":"流水线技术","originalKeyword":"流水线技术"}],"language":"zh","publisherId":"yjyxs201402019","title":"局部不变特征匹配的并行加速技术研究","volume":"29","year":"2014"},{"abstractinfo":"热辐射传递具有非灰性、方向性、全场性的特点,这使得基于CFD框架下整体的燃烧-流动-辐射场模拟工作中往往辐射模块占用大量计算时间和计算资源.为提高复杂流场计算效率,目前在CFD已经开始使用分区并行计算技术.相对而言,辐射换热计算技术发展落后于流动计算技术.本文将分区并行计算技术引入到参与性介质辐射传输求解当中,采用离散坐标法结合并行计算环境MPI,对辐射传输分区并行计算方案、数值边界网格处理方法、数据交换方式进行研究,并通过对矩形炉膛内辐射场进行求解,验证分区并行方法的可行性,结果表明分区并行计算结果与没有分区能够很好地吻合,并获得了较高的并行效率.","authors":[{"authorName":"王振华","id":"2082bf98-b640-4f26-b0c8-9156bbf0e222","originalAuthorName":"王振华"},{"authorName":"马宇","id":"56fd410d-6a39-4531-84b5-5ab757fa3d9c","originalAuthorName":"马宇"},{"authorName":"贺志宏","id":"521ac3db-2e64-472d-980a-d6ecb7b43b1d","originalAuthorName":"贺志宏"},{"authorName":"董士奎","id":"21741431-9a59-43f9-89f1-a7feb30bc327","originalAuthorName":"董士奎"}],"doi":"","fpage":"1543","id":"eea921f9-43c9-4c30-9d99-cc58b7ebad85","issue":"8","journal":{"abbrevTitle":"GCRWLXB","coverImgSrc":"journal/img/cover/GCRWLXB.jpg","id":"32","issnPpub":"0253-231X","publisherId":"GCRWLXB","title":"工程热物理学报 "},"keywords":[{"id":"b7c9f2f5-a538-48ed-bee0-635bfc7f89b4","keyword":"辐射传输","originalKeyword":"辐射传输"},{"id":"d149b7e4-0290-47e3-917a-f55d3a6bb029","keyword":"参与性介质","originalKeyword":"参与性介质"},{"id":"a22c17ac-4a52-4f0f-9b5c-0a23f974727a","keyword":"离散坐标法","originalKeyword":"离散坐标法"},{"id":"c8e64568-f23a-4dec-b004-1551c1990edd","keyword":"分区并行算法","originalKeyword":"分区并行算法"}],"language":"zh","publisherId":"gcrwlxb201308035","title":"参与性介质辐射传输的分区并行算法研究","volume":"34","year":"2013"}],"totalpage":3066,"totalrecord":30657}