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	A Laguerre spectral method for quadratic optimal control of nonlinear systems in a semi-infinite interval 期刊论文 OAI收割 AUTOMATIKA, 2020, 卷号: 61, 期号: 3, 页码: 461-474 作者: Masoumnezhad, Mojtaba; Saeedi, Mohammadhossein; Yu, Haijun; Nik, Hassan Saberi \| 收藏 \| 浏览/下载：14/0 \| 提交时间：2020/11/18 Laguerre method collocation method optimal control problems spectral homotopy analysis method (SHAM) semi-infinite interval
	Effect of uncertainty in material properties on wave propagation characteristics of nanorod embedded in elastic medium 期刊论文 OAI收割 International Journal of Mechanics and Materials in Design, 2018, 卷号: 14, 期号: 3, 页码: 375-392 作者: Li Q(李琦); Lv Z(吕峥); Liu, Hu \| 收藏 \| 浏览/下载：30/0 \| 提交时间：2017/08/05 Wave propagation Nanorod Nonlocal elasticity theory Uncertain material properties Interval analysis method
	Uncertain reduced-order modeling for unsteady aerodynamics with interval parameters and its application on robust flutter boundary prediction 期刊论文 OAI收割 AEROSPACE SCIENCE AND TECHNOLOGY, 2017, 卷号: 71, 页码: 214-230 作者: Chen XJ; Qiu ZP; Wang XJ; Li YL; Wang RX(王睿星) \| 收藏 \| 浏览/下载：30/0 \| 提交时间：2018/02/08 Uncertain Reduced-order Modeling Robust Flutter Analysis Interval Perturbation Method Uncertain Aeroelastic System
	Structure buckling load interval analysis of supercavitating projectile (EI CONFERENCE) 会议论文 OAI收割 2011 9th International Conference on Reliability, Maintainability and Safety: Safety First, Reliability Primary, ICRMS'2011, June 12, 2011 - June 15, 2011, Guiyang, China 作者: Zhou L. 收藏 \| 浏览/下载：26/0 \| 提交时间：2013/03/25 As a result of supercavitating projectiles with high underwater velocity their structures undergo high longitudinal force. It is necessary to perform structure buckling load interval analysis because the uncertainty of structural own parameters should be considered. Critical buckling load of supercavitating projectiles is calculated by Galerkin method. The partial matrixes of critical buckling load implicit function to each uncertainty variable are deduced and the interval of structure critical buckling load is calculated by interval analysis and convex model methods. Numerical results show that the nominal value lower and upper bounds of critical buckling load increase with the increment of the ratio of base diameter to cavitator diameter. And the uncertainty degree of basic variables should be controlled as far as possible in the project for high reliability. 2011 IEEE.
	Image compression based on contourlet and no lists SPIHT (EI CONFERENCE) 会议论文 OAI收割 2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China 作者: Zhang S. 收藏 \| 浏览/下载：46/0 \| 提交时间：2013/03/25 The volume of raw image data captured by the high resolution camera is extremely huge. Thus the efficient image compression method should be used to decrease the bit rate. The image compression method based on wavelet is used more widely nowadays. However two dimensional wavelet is only the tensor product of the one dimensional wavelet whose support region of basis function is extended from interval to square. Contourlet is an image multiscale geometric analysis tool which could represent image sparsely and has strong capability of nonlinear approximation. The basis function of contourlet is multidirectional and anisotropic. Nevertheless contourlet is redundant. So the non-redundant Wavelet Based Contourlet Transform (WBCT) is used in this paper. The SPIHT algorithm is very efficient way to coding the significant coefficients. And the improved no lists SPIHT is more easy to implemented by hardware. Image compression method based on the combination of both wavelet based contourlet transform and no lists SPIHT coding is proposed in the paper. Experiment shows that compared to wavelet based scheme the contourlet scheme can reserve the texture of the image. For barbara test image when coding at low bit rate the PSNR can improve about 0.2dB. 2010 IEEE.