{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"拓宽轴流压气机稳定工作裕度及探索其流动失稳控制途径一直是内部流动研究的焦点。本文从前失速先兆检测机理入手,对前失速先兆与叶顶间隙泄漏流非定常性进行了关联性研究,发现了前失速先兆与叶顶间隙泄漏流非定常性有一定的关联性。在认识这类关联性的基础上,提出了基于前失速先兆捕捉的失稳控制途径,并结合DSP控制器构建扩稳控制方案,在低速轴流压气机上进行了实验验证。实验结果表明：采用叶顶喷气扩稳控制措施后,简化了原来复杂的控制机构,并为控制措施的实施预留了反馈控制时间,与原来的定常喷气控制措施相比有变工况自适应的优势。","authors":[{"authorName":"李继超","id":"c0bb284b-791a-4df4-b889-075560f9bf5f","originalAuthorName":"李继超"},{"authorName":"童志庭","id":"3218dec0-2cba-40b6-af60-9300f32712fe","originalAuthorName":"童志庭"},{"authorName":"林峰","id":"d721cad5-2483-4af1-b851-ebf6c805f029","originalAuthorName":"林峰"},{"authorName":"聂超群","id":"a35102ec-47e8-46cf-97e4-c259c7d1869b","originalAuthorName":"聂超群"}],"doi":"","fpage":"573","id":"1d1a1ea2-edfb-4002-8406-ce4d748259e3","issue":"4","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":"c4b7cfe7-2f0e-41ee-8810-72d8862fbbe6","keyword":"前失速先兆","originalKeyword":"前失速先兆"},{"id":"0fcc3fe3-4220-42aa-98b2-af9b1d6a5620","keyword":"<span style=\"color:red\">自相关</span><span style=\"color:red\">分析</span>","originalKeyword":"自相关分析"},{"id":"a667652b-fe54-4154-8f53-a6dbd5dfecbd","keyword":"概率统计","originalKeyword":"概率统计"},{"id":"953533e5-f7a0-4992-8c1e-18142a73b57d","keyword":"DSP","originalKeyword":"DSP"},{"id":"49b3ff76-c07f-4764-abb3-7dc7988e03ed","keyword":"叶顶喷气","originalKeyword":"叶顶喷气"}],"language":"zh","publisherId":"gcrwlxb201204008","title":"基于前失速先兆检测机理的叶顶喷气扩稳实验研究","volume":"33","year":"2012"},{"abstractinfo":"目的 研究具有不同高度分布和<span style=\"color:red\">自相关</span>函数的表面形貌的粗糙度参数变化.方法 利用数字滤波法构造具有特定参数(如倾斜度、峰值、最快下降<span style=\"color:red\">自相关</span>长度和纹理高宽比、高度方差)的粗糙度表面,然后比较和<span style=\"color:red\">分析</span>不同类型形貌的参数.结果 算术平均峰曲率不随高度分布函数和<span style=\"color:red\">自相关</span>函数变化,均方根斜率、界面开发面积比和峰密度随各种高度分布函数和<span style=\"color:red\">自相关</span>函数变化的影响较大.结论 算术平均峰曲率不能表征高度分布和<span style=\"color:red\">自相关</span>函数.比较相同高度分布的表面形貌时,应对纹理高宽比、最快下降<span style=\"color:red\">自相关</span>长度、均方根斜率、界面开发面积比和峰密度进行比较.当比较不同高度分布的形貌时,应该对高度类参数倾斜度、峰值、高度均方根、最大高度、最大谷值和最大峰高进行比较.","authors":[{"authorName":"林炜轩","id":"beda0849-644a-4b33-a851-b077f60d1624","originalAuthorName":"林炜轩"},{"authorName":"王江涌","id":"24e50b5c-bcc0-4fd4-825a-231b56b95a17","originalAuthorName":"王江涌"}],"doi":"10.16490/j.cnki.issn.1001-3660.2017.01.039","fpage":"241","id":"aadc6c56-e214-4dc7-8ca0-7ceb528d4a67","issue":"1","journal":{"abbrevTitle":"BMJS","coverImgSrc":"journal/img/cover/BMJS.jpg","id":"3","issnPpub":"1001-3660","publisherId":"BMJS","title":"表面技术   "},"keywords":[{"id":"181c899b-5c4b-4a79-a7b3-b3dfa87f594a","keyword":"高度分布函数","originalKeyword":"高度分布函数"},{"id":"89143808-4c31-4880-9214-1c5e2091d9be","keyword":"<span style=\"color:red\">自相关</span>函数","originalKeyword":"自相关函数"},{"id":"051fb78a-555e-4095-aa16-70d30bab6320","keyword":"数字滤波法","originalKeyword":"数字滤波法"},{"id":"d0f12c95-cb18-4d44-ada6-40a49adca03a","keyword":"三维随机表面","originalKeyword":"三维随机表面"}],"language":"zh","publisherId":"bmjs201701039","title":"高度分布函数与<span style=\"color:red\">自相关</span>函数对表面粗糙度参数的影响","volume":"46","year":"2017"},{"abstractinfo":"消光起伏<span style=\"color:red\">相关</span>频谱法(TFCS)是一种新的颗粒测量方法.采用一束窄光束照射两相流系统,照射区中颗粒浓度的起伏所导致的透射光起伏信号中包含了颗粒的粒径和浓度信息,对光束的透过率信号作<span style=\"color:red\">相关</span>处理得到消光起伏<span style=\"color:red\">相关</span>频谱,可用来同时测量两相流中颗粒的粒径分布和体积浓度.由于在测量原理和结构上非常简单,这种方法可用来实现在线、实时测量.本文介绍消光起伏<span style=\"color:red\">自相关</span>频谱的测量原理,并给出部分实测结果.","authors":[{"authorName":"沈建琪","id":"da4c7d11-a89f-465c-98e8-0cbe1a4e2506","originalAuthorName":"沈建琪"},{"authorName":"蔡小舒","id":"adce209d-1d45-4d27-ab1e-33da32f427c8","originalAuthorName":"蔡小舒"},{"authorName":"于彬","id":"3f8c7421-8908-4fd7-b72c-97217e8de1f4","originalAuthorName":"于彬"}],"doi":"","fpage":"795","id":"78b1ca95-7044-4a99-bf80-ff8e9f8bfb86","issue":"5","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":"5583e7fb-98ac-4f3b-8c61-e133e18d9860","keyword":"颗粒测量","originalKeyword":"颗粒测量"},{"id":"933e6209-06c4-4534-ae1b-baa9869efe8d","keyword":"透过率","originalKeyword":"透过率"},{"id":"40922072-f1ab-4fd8-abf7-f4af818a1a0a","keyword":"消光起伏","originalKeyword":"消光起伏"},{"id":"370c8ac6-d9ca-499f-b234-639ea8f3a587","keyword":"<span style=\"color:red\">自相关</span>频谱","originalKeyword":"自相关频谱"}],"language":"zh","publisherId":"gcrwlxb200605023","title":"消光起伏<span style=\"color:red\">自相关</span>频谱法颗粒测量技术","volume":"27","year":"2006"},{"abstractinfo":"对用于气固两相流颗粒速度测量的阵列式静电传感器输出信号进行<span style=\"color:red\">自相关</span><span style=\"color:red\">分析</span>,获得了<span style=\"color:red\">自相关</span>谱线中渡越时间与颗粒速度的关系,并在重力输送实验台和浓相气力输送装置进行了实验验证,最后<span style=\"color:red\">分析</span>了采样频率对速度测量结果的影响.理论与实验结果表明:静电信号<span style=\"color:red\">自相关</span>函数的渡越时间与颗粒速度成线性关系,在合理选择采样频率的前提下可准确获得颗粒流动平均速度.","authors":[{"authorName":"李健","id":"e5d54c34-9756-42e8-a36f-5c7b99aa2c3f","originalAuthorName":"李健"},{"authorName":"许传龙","id":"55fe71bf-6479-46c5-a8b8-f061b5478c8f","originalAuthorName":"许传龙"},{"authorName":"王式民","id":"959cd02d-b356-4869-a596-5ef32413b1e3","originalAuthorName":"王式民"}],"doi":"","fpage":"1343","id":"5565fcd7-3788-4569-b00d-1aed925f02a0","issue":"7","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":"b24290d5-65da-4353-891b-222f6d7d33fb","keyword":"阵列式静电传感器","originalKeyword":"阵列式静电传感器"},{"id":"a11d24c2-6ce5-4343-8b77-61f94e59a617","keyword":"<span style=\"color:red\">自相关</span>","originalKeyword":"自相关"},{"id":"a043ac94-7f07-42d7-a6cc-cea5b6cd5ddb","keyword":"颗粒速度","originalKeyword":"颗粒速度"},{"id":"cbe3b929-6961-4dde-b630-f7d4891459bd","keyword":"气固两相流","originalKeyword":"气固两相流"}],"language":"zh","publisherId":"gcrwlxb201407020","title":"基于阵列式静电传感器的<span style=\"color:red\">自相关</span>颗粒速度测量","volume":"35","year":"2014"},{"abstractinfo":"本文首先通过采用Green-Kubo<span style=\"color:red\">自相关</span>函数和平衡法对简单流体Ar的扩散系数、黏度以及导热系数等输运参数进行了分子动力学模拟,发现利用平衡分子动力学模拟方法求解流体输运特性时在一定时长后会出现波动很大的现象,进而对这一现象进行了深入的探讨,发现这是利用分子动力学模拟方法对<span style=\"color:red\">自相关</span>函数积分求解流体输运热物性时本身就存在的问题.通过研究发现单位时长引入的误差、不同时长统计步数、系统模拟步数、不同系综的采用以及Green-Kubo方程本身都会对最终的结果产生影响;其中影响最大的是单位时长引入的误差.最后还给出了在不同系综和统计步数下黏度和导热系数的模拟值,与实验值吻合较好.","authors":[{"authorName":"陈俊","id":"dd8f8fe8-7938-4c7c-b0f5-cd0d5a882de4","originalAuthorName":"陈俊"},{"authorName":"史琳","id":"2e118fe3-33ad-43a8-9e6d-0be0db8a9227","originalAuthorName":"史琳"},{"authorName":"安青松","id":"8bab2d63-c0c0-4700-b302-91638da243d6","originalAuthorName":"安青松"}],"doi":"","fpage":"1801","id":"637b1620-8216-4f8b-b3dd-6ddaeb1ed811","issue":"11","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":"07dc644a-00f7-47d2-b973-4a58ce67369a","keyword":"Green-Kubo","originalKeyword":"Green-Kubo"},{"id":"f9de7560-8993-454a-87a4-f6d2f42e6ef6","keyword":"平衡分子动力学","originalKeyword":"平衡分子动力学"},{"id":"50e9f4cd-1fbd-4b1e-bb01-58638f744f67","keyword":"导热系数","originalKeyword":"导热系数"},{"id":"9d2c2922-bb48-4b23-b761-f530682514f2","keyword":"黏度","originalKeyword":"黏度"},{"id":"cca6b747-c2cb-4625-9da5-bf0ba23cf5c8","keyword":"扩散系数","originalKeyword":"扩散系数"}],"language":"zh","publisherId":"gcrwlxb201011001","title":"流体输运特性<span style=\"color:red\">自相关</span>函数积分的稳定性研究","volume":"31","year":"2010"},{"abstractinfo":"<span style=\"color:red\">自相</span>似临界尺度表征了湍流火焰内保持<span style=\"color:red\">自相</span>似特性的最大尺度,是确定湍流各相同性的特征尺度.本文利用光学显微技术和计算机图像处理技术,提取并<span style=\"color:red\">分析</span>了湍流火焰微尺度结构的曲线度和线性回归均方差在不同放大倍率下的变化规律,提出了利用相似度偏差和临界放大倍率来确定<span style=\"color:red\">自相</span>似临界尺度的思路,并借助于Kolmogorov微尺度η的定义,推导出临界尺度η′的数学关联式.","authors":[{"authorName":"杨宏晻","id":"922a8fee-59e9-4501-9ff1-039d5fcbd361","originalAuthorName":"杨宏晻"},{"authorName":"唐晓军","id":"865bf2e8-dac4-48ff-9332-8adda42edb58","originalAuthorName":"唐晓军"},{"authorName":"顾瑶","id":"318138eb-f3db-46cf-90b6-6a260f4bb277","originalAuthorName":"顾瑶"},{"authorName":"刘勇","id":"64fcf405-4e13-41ed-b99e-e43fb5f7c878","originalAuthorName":"刘勇"},{"authorName":"徐益谦","id":"335ad2cc-6f0a-4026-8ca9-09aaa210a1c0","originalAuthorName":"徐益谦"}],"doi":"","fpage":"253","id":"75e68120-093f-4c85-a1c1-edf26163dbfe","issue":"2","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":"756b63d3-86d4-4f4c-a354-4c44baea53e4","keyword":"湍流火焰","originalKeyword":"湍流火焰"},{"id":"e3c3944e-c8c3-42a3-967a-7b35fcc617ef","keyword":"<span style=\"color:red\">自相</span>似","originalKeyword":"自相似"},{"id":"e9995364-0907-4720-bd67-113bacc61e20","keyword":"临界尺度","originalKeyword":"临界尺度"}],"language":"zh","publisherId":"gcrwlxb200202035","title":"湍流火焰<span style=\"color:red\">自相</span>似临界微尺度<span style=\"color:red\">分析</span>","volume":"23","year":"2002"},{"abstractinfo":"为了研究<span style=\"color:red\">自相</span>似脉冲系统中的噪声扰动,从含噪声的非线性薛定谔方程出发,推导出了时间抖动和能量抖动方差表达式.结果表明:噪声使<span style=\"color:red\">自相</span>似抛物线脉冲形状、频谱和啁啾的畸变非常严重,噪声扰动导致了脉冲振荡和频谱抖动.脉冲仍具有线性啁啾,但在前后沿出现起伏波动.初始阶段噪声扰动很小,可以忽略;随传输距离增大,噪声扰动的影响迅速增大.不同的正色散和增益对时间抖动和能量抖动方差影响不同.","authors":[{"authorName":"刘伟慈","id":"40a6764e-af4c-4feb-8c00-47b80b37f1ac","originalAuthorName":"刘伟慈"},{"authorName":"梁瑞生","id":"9b36cc73-0ded-4400-807c-c6e79dd4d21f","originalAuthorName":"梁瑞生"},{"authorName":"王发强","id":"59058fb6-27fd-4c05-ab74-c82ad804ed3d","originalAuthorName":"王发强"}],"doi":"10.3969/j.issn.1007-5461.2016.04.015","fpage":"484","id":"392e3cf6-927d-4232-85c1-c5114914bdae","issue":"4","journal":{"abbrevTitle":"LZDZXB","coverImgSrc":"journal/img/cover/LZDZXB.jpg","id":"53","issnPpub":"1007-5461","publisherId":"LZDZXB","title":"量子电子学报   "},"keywords":[{"id":"5a1b68f8-6340-40cd-bc75-ab71c0f4ecdf","keyword":"非线性光学","originalKeyword":"非线性光学"},{"id":"bc897a02-7a8b-4f66-a983-7bdb9b56990b","keyword":"噪声扰动","originalKeyword":"噪声扰动"},{"id":"9e9329ab-9878-4445-8854-d247c87aed58","keyword":"时间抖动方差","originalKeyword":"时间抖动方差"},{"id":"65bf668a-128b-4e56-86c2-ef8438d34a9f","keyword":"能量抖动方差","originalKeyword":"能量抖动方差"}],"language":"zh","publisherId":"lzdzxb201604015","title":"<span style=\"color:red\">自相</span>似抛物线脉冲的噪声扰动<span style=\"color:red\">分析</span>","volume":"33","year":"2016"},{"abstractinfo":"稀土金属作为我国重要的战略资源和优势资源之一,其战略意义不吉而喻.本文利用汤姆森数据<span style=\"color:red\">分析</span>器,<span style=\"color:red\">分析</span>了近年来稀土<span style=\"color:red\">相关</span>专利,涉及年度申请趋势、重要国家/地区专利申请态势、领先机构研发重点以及专利技术布局等方面信息.","authors":[{"authorName":"万勇","id":"4af72bce-bf8e-44bf-8a9f-e7a26dcfa7d5","originalAuthorName":"万勇"},{"authorName":"马廷灿","id":"e876355c-c343-4b85-970d-143295f232cf","originalAuthorName":"马廷灿"},{"authorName":"冯瑞华","id":"4e9b8b01-3b51-49c0-9794-99205b2a4259","originalAuthorName":"冯瑞华"},{"authorName":"潘懿","id":"415e46df-7d41-4d33-b704-f930053d355a","originalAuthorName":"潘懿"},{"authorName":"黄健","id":"cee0f139-e64c-4fe1-950e-249e61a3f8f7","originalAuthorName":"黄健"}],"doi":"10.3969/j.issn.1004-0277.2012.03.022","fpage":"98","id":"3c7d33a1-5793-49fa-a2ee-8dfbee00a1ee","issue":"3","journal":{"abbrevTitle":"XT","coverImgSrc":"journal/img/cover/XT.jpg","id":"65","issnPpub":"1004-0277","publisherId":"XT","title":"稀土"},"keywords":[{"id":"b9228199-b409-422c-be56-01f8de4dfbef","keyword":"稀土","originalKeyword":"稀土"},{"id":"a5039314-66f4-4adb-9785-700584d4ff06","keyword":"专利","originalKeyword":"专利"}],"language":"zh","publisherId":"xitu201203022","title":"稀土<span style=\"color:red\">相关</span>专利<span style=\"color:red\">分析</span>","volume":"33","year":"2012"},{"abstractinfo":"对整数DCT变换矩阵填充规则加以改进,得到一类新的整数变换基,称为“类整数DCT”变换基.从海量“类整数DCT”变换基中搜索出若干优选变换基,应用于MPEG4编解码实验,经实验测试和数据<span style=\"color:red\">分析</span>,结果表明优选“类整数DCT”变换基归一化正交矩阵与DCT变换的去<span style=\"color:red\">相关</span>性能相近,可替代整数DCT变换在图像编码中所起的作用.由于“类整数DCT”变换有完全快速算法,便于硬件实现,应用于图像编码,可降低编码器复杂度.","authors":[{"authorName":"吴君钦","id":"2e68372e-19eb-4ad9-8cb0-f6c51144c84c","originalAuthorName":"吴君钦"},{"authorName":"李艳丽","id":"d7f74092-d879-4342-8da1-46f3f794f21e","originalAuthorName":"李艳丽"},{"authorName":"刘昊","id":"752359b2-841d-424f-803a-fe93634cedc3","originalAuthorName":"刘昊"}],"doi":"10.3788/YJYXS20132802.0278","fpage":"278","id":"9ecef2f7-a95f-4532-ae25-39c2e596674f","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":"84e39f15-130d-4f90-8a63-e3ddc06ef131","keyword":"整数DCT","originalKeyword":"整数DCT"},{"id":"07dd1613-7b6c-4246-9321-c27739c021cc","keyword":"去<span style=\"color:red\">相关</span>","originalKeyword":"去相关"},{"id":"dc55e4ca-a550-42f2-b767-bc19e81c2edf","keyword":"快速算法","originalKeyword":"快速算法"},{"id":"ceecf2b0-3b6a-4198-8079-208b7959f79a","keyword":"图像编码","originalKeyword":"图像编码"},{"id":"754b6b56-b1e2-4132-aef6-44248a029a95","keyword":"硬件实现","originalKeyword":"硬件实现"}],"language":"zh","publisherId":"yjyxs201302023","title":"“类整数DCT”变换基去<span style=\"color:red\">相关</span>性能<span style=\"color:red\">分析</span>","volume":"28","year":"2013"},{"abstractinfo":"钢笔纳米刻蚀技术(Fountain pen nanolithography,FPN)是近年来发展起来的一种新型的基于原子力显微镜(Atomic force microscope,AFM)的扫描探针刻蚀技术,具有加工结构精度高、加工过程操作性强、对加工环境要求低、持续书写等优点.FPN刻蚀过程主要受探针的孔径大小、空气湿度、接触时间、书写速度、墨水的特性等因素影响.在介绍FPN<span style=\"color:red\">相关</span>原理及影响因素的基础上,综合介绍了包括电化学FPN技术(Electrochemical FPN,EcFPN)和主动控制技术FPN(Active FPN,AFPN)在内的FPN<span style=\"color:red\">相关</span>技术研究的最新成果及其在生物领域、微电子领域和光学器件方面的<span style=\"color:red\">相关</span>应用.","authors":[{"authorName":"徐德洋","id":"92a06c86-6c6c-4276-84b9-af47bc64e44c","originalAuthorName":"徐德洋"},{"authorName":"王蓬勃","id":"2cac4237-9000-4a9e-bffb-a8447dd0820e","originalAuthorName":"王蓬勃"},{"authorName":"孙立宁","id":"5514bfc2-18da-44ae-887a-ed24dd6c83bd","originalAuthorName":"孙立宁"}],"doi":"10.11896/j.issn.1005-023X.2014.19.021","fpage":"104","id":"996ab6fe-ba3f-4a91-a4c4-e6558e88adc2","issue":"19","journal":{"abbrevTitle":"CLDB","coverImgSrc":"journal/img/cover/CLDB.jpg","id":"8","issnPpub":"1005-023X","publisherId":"CLDB","title":"材料导报"},"keywords":[{"id":"d3128267-0245-4548-a6a4-6dbaef35f8dc","keyword":"钢笔纳米刻蚀技术","originalKeyword":"钢笔纳米刻蚀技术"},{"id":"baf7b01e-6d56-4566-a2fa-8a6bfdd365dc","keyword":"原子力显微镜","originalKeyword":"原子力显微镜"},{"id":"ea950e87-5541-4e58-82ad-dba1442c9ec4","keyword":"电化学FPN技术","originalKeyword":"电化学FPN技术"}],"language":"zh","publisherId":"cldb201419021","title":"FPN的影响因素<span style=\"color:red\">分析</span>及<span style=\"color:red\">相关</span>应用","volume":"28","year":"2014"}],"totalpage":8867,"totalrecord":88670}