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Modified nonlinear chirp scaling algorithm for curvilinear trajectory synthetic aperture radarWANG Jian-tao(王建涛), QIN Yu-liang(秦玉亮), FAN Bo(范波), WANG Hong-qiang(王宏强), LI Xiang(黎湘) (School of Electronic Science and Engineering, National University of Defense Technology, Changsha 410073, China)Abstract:The original nonlinear chirp scaling (NCS) algorithm was extended for high precision processing......
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J. Cent. South Univ. Technol. (2011) 18: 2056-2060 DOI: 10.1007/s11771-011-0942-9 Guaranteed cost sampled-data control for uncertain nonlinear time-varying delay system FAN Li-ying(樊丽颖)1, 2, WU Jun... ? Central South University Press and Springer-Verlag Berlin Heidelberg 2011 Abstract: The robust guaranteed cost sampled-data control was studied for a class of uncertain nonlinear systems with time......
J. Cent. South Univ. (2018) 25: 277-286 DOI: https://doi.org/10.1007/s11771-018-3736-5 Surface roughness prediction model in ultrasonic vibration assisted grinding of BK7 optical glass ZHAO Pei-yi... surface roughness is the key to improve whole machining efficiency and meanwhile reduce the expenditure in machining optical glass components. In order to predict the surface roughness in ultrasonic......
, especially in nonlinear ultrasonic testing [4,5], ultrasonic phased array [6], and signal and image processing [7]. Ultrasonic measurement methods of thickness, distance and velocity have been studied...): s616-s621 [4] GAO Gui-li, LI Da-yong, SHI De-quan, DONG Jin-wei. Identification of fatigue cracks in aluminum alloy plates based on nonlinear ultrasonic modulation spectrum [J]. Transactions......
Ultrasonic synthesis, characterization and formation mechanism of aggregated nanorings of EuF3 WANG Xinjun1,JIANG Kai1,BAI Zhengyu1,WU Dapeng1 (1.Chemistry and Environmental College,Henan Normal University,Xinxiang 453007,China) Abstract:The aggregated nanorings of EuF3 were synthesized via ultrasonic irritation in aqueous solution. The products were characterized by X-ray powder diffraction......
Localization system for mobile robot using scanning laser and ultrasonic measurement LIU Kai(刘凯)1, SUN Zeng-qi(孙增圻)1, AN Bin(安斌)2 (1. Department of Computer Science & Technology, Tsinghua... and position information for the robot. Then, a novel scanning laser and ultrasonic absolute positioning system was developed to eliminate the accumulative error in dead reckoned robot heading......
J. Cent. South Univ. Technol. (2011) 18: 610-617 DOI: 10.1007/s11771-011-0738-y Nonlinear dynamics of flexible rotor system supported on fixed-tilting pad combination journal bearing L? Yan-jun(吕... lubrication upon bearings. By doing so, a profile of nonlinear oil film force of single-pad journal bearings is established. According to the structure of combination journal bearings, nonlinear oil......
J. Cent. South Univ. Technol. (2010) 17: 863-867 DOI: 10.1007/s11771-010-0568-3 Nonlinear combined forecasting model based on fuzzy adaptive variable weight and its application JIANG Ai-hua(蒋爱华)1...; Abstract: In order to enhance forecasting precision of problems about nonlinear time series in a complex industry system......