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- Xiangbing Zhou, WenQuan Wu
- 2013

In this note, we extend the results by Jia et al [3] to a more general case. By refining the conditions imposed on f and finding more suitable upper and lower solution, we remove some key conditions used in [3], and still establish their results.

and Applied Analysis 3 Besides, if for any x, y ∈ M, there exists z ∈ M which is comparable to x and y, 2.4 then f has a unique fixed point. Proof. We first show that f has a fixed point. Since x0 f x0 and f is an increasing function, we obtain by induction that x0 f x0 f2 x0 f3 x0 · · · f x0 · · · . 2.5 Put xn 1 f x0 , n 1, 2, . . . For each integer n ≥ 1,… (More)

- Jinquan Huang, Jinsong Tang, Qin Wang, WenQuan Wu
- 2010 2nd International Conference on Information…
- 2010

Synthetic Aperture Sonar (SAS) performance is limited by motion errors of the towfish. It is necessary to require the towfish moving in a straight line in order to improve the imaging efficiency by Fast Fourier Transformation (FFT). However, the towfish could hardly move along a straight line because of some factors such as ocean wave, ocean current and… (More)

- Hua Yu, WenQuan Wu, Zhong Liu
- 2010 IEEE Fifth International Conference on Bio…
- 2010

An image degradation process is considered as equivalent to a linear transformation of original image matrix processed by transfer function and noise, while the image restoration process is equivalent to trying to get the original image using the least squares method. When the transfer function is separable, the problem is transformed into finding the… (More)

- Yunzhang Cheng, Binhai Luo, WenQuan Wu, Lei Jiang
- Sheng wu yi xue gong cheng xue za zhi = Journal…
- 2010

The problem of thrombus and hemolysis in blood pump has always been an important topic to study in the development of the blood pump. Numbers of research results show that it is the complicated flow and the high shear stress of the mechanical movement that result in the thrombus and hemolysis. In this study, with the cooperation of Shanghai Children's… (More)

- FengBo Zhu, WenQuan Wu, ShanLin Zhu, RenYang Liu
- CSEE
- 2011

- Xiangbing Zhou, WenQuan Wu
- 2008 Second International Symposium on…
- 2008

In order to solve problems of SOA service modeling, we proposed a method of SOA service modeling based on turing machine, and apply SCA and SDO to implement. Firstly, according to characteristic of SOA, to define some terms of turing machine and build publish/subscribe mechanism of SOA service modeling. Which apply ontology to describe service recognition… (More)

- WenQuan Wu, Yongbin Ge
- 2003

A stable high order finite difference with a fully implicit time-marching scheme is proposed to solve the two-dimensional unsteady convection diffusion equation with variable coefficients. It is essentially compact and has the nice features of a compact scheme with regard to the treatment of boundary conditions. A time-dependent multigrid full approximation… (More)

- Yunzhang Cheng, Lihua Zhu, Weiguo Zhang, WenQuan Wu
- Sheng wu yi xue gong cheng xue za zhi = Journal…
- 2011

The problem of noise in ventilator has always been an important topic to study in the development of the ventilator. A great number of data are showing that there are still large gaps of research and application levels in noise control of the ventilator between China and some more advanced foreign countries. In this study, with cooperation of the Shanghai… (More)

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