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THIRD-ORDER: 作品数：220被引量：341H指数：8; 导出分析报告; 相关领域：理学机械工程更多>>; 相关作者：姚庆六何捷唐长文闵昊洪志良更多>>; 相关机构：南京财经大学扬州师范学院复旦大学东北师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金广东省自然科学基金更多>>

A novel high precision Doppler frequency estimation method based on the third-order phase-locked loop被引量：1: 《Research in Astronomy and Astrophysics》2021年第9期83-90,共8页Tao Deng Mao-Li Ma Qing-Hui Liu Ya-Jun Wu; supported by the National Natural Science Foundation of China(Grant Nos.11773060,11973074,U1831137 and 11703070);National Key Basic Research and Development Program(2018YFA0404702);Shanghai Key Laboratory of Space Navigation and Positioning(3912DZ227330001);the Key Laboratory for Radio Astronomy of CAS。; In deep space exploration,many engineering and scientific requirements require the accuracy of the measured Doppler frequency to be as high as possible.In our paper,we analyze the possible frequency measurement points...; 关键词：Doppler frequency measurement:deep space exploration:carrier tracking:phase locked loop:high precision

Hypersonic Shock Wave/Boundary Layer Interactions by a Third-Order Optimized Symmetric WENO Scheme被引量：1: 《Transactions of Nanjing University of Aeronautics and Astronautics》2017年第5期524-534,共11页Li Chen Guo Qilong Li Qin Zhang Hanxin; supported by the National Key Basic Research and Development Program (No.2014CB744100); A novel third-order optimized symmetric weighted essentially non-oscillatory(WENO-OS3)scheme is used to simulate the hypersonic shock wave/boundary layer interactions.Firstly,the scheme is presented with the achieveme...; 关键词：hypersonic flows shock wave/boundary layer interactions weighted essentially non-oscillatory(WENO)scheme slip boundary conditions

Spurious-free dynamic range improvement in a photonic time-stretched analog-to-digital converter based on third-order predistortion被引量：1: 《Photonics Research》2014年第5期97-101,共5页Boyu Xu Wulue Lv Jiamu Ye Jinhai Zhou Xiaofeng Jin Xianmin Zhang Hao Chi Shilie Zheng; the National Basic Research Program of China(973 Program)(Grant No.2012CB315703);the Natural Science Foundation of China(Grant Nos.61371029 and 60971060).; Spurious-free dynamic range(SFDR)limited by intermodulation distortions is a usually accepted measure for dynamic performance of a photonic time-stretched analog-to-digital converter(ADC).In this paper,SFDR improvemen...; 关键词：CONVERTER MODULATOR SFDR

Accuracy of the half-power bandwidth method with a third-order correction for estimating damping in multi-DOF systems被引量：3: 《Earthquake Engineering and Engineering Vibration》2013年第1期33-38,共6页Wang Jinting Lü Dandan Jin Feng Zhang Chuhan; National Natural Science Foundation under Grant No. 51179093;National Basic Research Program of China under Grant No. 2011CB013602;Program for New Century Excellent Talents in University under Grant No.NCET-10-0531; A third-order correction was recently suggested to improve the accuracy of the half-power bandwidth method in estimating the damping of single DOF systems.This paper analyzes the accuracy of the half-power bandwidth m...; 关键词：half-power bandwidth method third-order correction damping ratio estimation error two-DOF system

Third-order point contact approach for five-axis sculptured surface machining using non-ball-end tools(II): Tool positioning strategy被引量：24: 《Science China(Technological Sciences)》2010年第8期2190-2197,共8页ZHU LiMin 1 ,DING Han 2 &XIONG YouLun 2 1State Key Laboratory of Mechanical System and Vibration,Shanghai Jiao Tong University,Shanghai 200240,China 2State Key Laboratory of Digital Manufacturing Equipment and Technology,Huazhong University of Science and Technology,Wuhan 430074, China; supported by the National Natural Science Foundation of China(Grant Nos.50835004,50775147);the National Basic Research Program of China("973"Program)(Grant No.2005CB724103);the Science&Technology Commission of Shanghai Municipality(Grant No.07JC14028); Based on the mathematical model describing the third-order approximation of the cutter envelope surface according to one given cutter location(CL),a tool positioning strategy is proposed for efficiently machining free...; 关键词：non-ball-end CUTTER CUTTER envelope surface THIRD-ORDER point contact CUTTER positioning

Third-order point contact approach for five-axis sculptured surface machining using non-ball-end tools (Ⅰ): Third-order approximation of tool envelope surface被引量：26: 《Science China(Technological Sciences)》2010年第7期1904-1912,共9页ZHU LiMin1, DING Han2 & XIONG YouLun2 1 State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai 200240, China 2 State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China; supported by the National Natural Science Foundation of China (Grant Nos. 50835004, 50775147);the National Basic Research Program of China ("973" Program) (Grant No. 2005CB724103);the Science & Technology Commission of Shanghai Municipality (Grant No. 07JC14028); In this paper, the geometric properties of a pair of line contact surfaces are investigated. Then, based on the observation that the cutter envelope surface contacts with the cutter surface and design surface along th...; 关键词：FIVE-AXIS NC machining ROTARY CUTTER CUTTER ENVELOPE surface normal CURVATURE THIRD-ORDER point contact

Preliminary group classification of quasilinear third-order evolution equations: 《Applied Mathematics and Mechanics(English Edition)》2009年第3期275-292,共18页黄定江张鸿庆; supported by the National Key Basic Research Project of China (973 Program)(No. 2004CB318000); Group classification of quasilinear third-order evolution equations is given by using the classical infinitesimal Lie method, the technique of equivalence transformations, and the theory of classification of abstract ...; 关键词：quasilinear third-order evolution equations group classification classical infinitesimal Lie method equivalence transformation group abstract Lie algebras

CsCl Effected Ultrafast Third-order Optical Nonlinearities of GeS_2-Sb_2S_3 Chalcogenide Glasses: 《Journal of Materials Science & Technology》2009年第6期772-776,共5页Hua Zhang Qiuhua Nie Shixun Dai Xiang Shen Xunsi Wang Xianghua Zhang; supported by the National Ba-sic Research Program of China ("973 Project", (No2006CB708607);the Science and Technology Department of Zhejiang Province, China (No 2006C11127);the Science and Technology Foundation of Ningbo, China (No2006B100068);the Natural Science Foundation of Ningbo, China (Nos 2006A610056, 2007A610004); A series of alkali halide doped chalcohalide glasses （100-x）（0.9GeS2-0.1Sb2S3）-xCsCl （x=5, 10, 15 and 20 mole fraction） were prepared. The absorption spectra and Raman scatting spectra of these glasses were meas...; 关键词：Optical band gap Microstructural units Optical nonlinearity Chalcohalide glasses

Third-order ghost interference with thermal light被引量：2: 《Chinese Physics B》2008年第12期4510-4515,共6页李洪国张颖涛曹德忠熊俊汪凯戈; Project supported by the National Basic Research Program of China (Grant No 2006CB921404);the National Natural Science Foundation of China (Grant Nos 10574015 and 10547136); A scheme for third-order ghost interference with thermal light is proposed. The visibility and resolution of the interference fringe related to the bandwidth of the spatial frequency spectrum of the source are analyse...; 关键词：ghost interference ghost imaging high-order field correlation

Structural dependences of the η~6 complexes of 3-amino-9-ethylcarbazole with chromium tricarbonyl fragment on third-order optical nonlinearities: 《Chinese Science Bulletin》2008年第10期1473-1478,共6页YUAN YiZhong SUN ZhenRong WANG ZuGeng; the National Natural Science Foundation of China (Grant No. 10574046);National Key Project for Basic Research of China (Grant Nos. 2006CB806006 and 2006CB921105);Program for Changjiang Scholars and Innova-tive Research Team in University (PCSIRT);Program for New Century Excellent Talents in University (NCET-04-0420);the Doctoral Program of High Education (Grant No. 20050269011);Phosphor Program Sponsored by Shanghai Science and Technology Committee (Grant No. 06QH14003); Degenerate four-wave mixing measurements, using the 35 ps pulses at 532 nm, have been employed to investigate the third-order nonlinear optical parameters of two chromium tricarbonyl complexes η6-bonded to 3-amino-9-...; 关键词：铬密度泛函理论非线性光学三水平模式混合物

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