922 Result(s)
within
Ri**ang Zhu
Engineering
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Article
Analysis of waveguide inserted by a metallic sheet of arbitrary shape with the method of lines
In this paper, one type of waveguide three-dimension discontinuity, rectangular waveguide inserted by a metallic sheet of arbitray shape with zero thickness, is firstly analysed by using the Method of Lines. T...
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Article
On interface crack propagation with variable velocity for longitudinal shear problems
The antiplane strain problem of straight interface crack propagation between two elastic half-spaces under arbitrary variable loading is considered. The crack edge is specified as an arbitrary smooth function ...
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Article
Optimal control problems related to the navigation channel engineering
The navigation channel engineering poses optimal control problems of how to find the optimal way of engineering such that the water depth of the channel is maximum under certain budget constraint, or the cost ...
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Article
Robot collision-free path planning utilizing gauge function
Based on the generalized gauge function, a numerical criterion which specifies the topological relationship between convex polyhedra is presented. It can be applied to detecting the overlap, just contact or se...
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Article
Spectral methods for spatial resolution improvement of digital images
A general matrix formula is proposed for signal spectral aliasing of various or mutual resolution, the concept of spectral aliasing matrix is introduced, and some general spectral methods for spatial resolutio...
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Article
Forward link partial-balance power control algorithm for W-CDMA communication
Balance power control is based on the idea of balancing Carrier to Interference Ratio (CIR) of all wireless links. Unbalance power control means that different traffics can achieve different CIR at receivers. ...
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Article
Application of nuclear analysis in assessment of environmental pollution
Fluorine contaminates the environment. The study of fluorine contamination profile can be made easy by the use of nuclear analytic method. Measurement of prompt gamma emitted from bombarding fluorine polluted ...
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Article
A case study on fractal simulation of forest fire spread
This paper relates to the semi-empirical model based on fire field energy balance and the physical model based on land temperature, aiming to provide a practical way of describing fire spread. Fire spread is d...
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Article
Transient responses of flexible non-uniform spinning shaft with nonlinear and asymmetric supports
In this paper, a hybrid approach was developed to investigate the transient responses of a multi-span non-uniform flexible spinning shaft with nonlinear and asymmetric supports. The non-uniform spinning shaft ...
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Article
Pseudo minimum translational distance between convex polyhedra (II)
By using the pseudo minimum translational distance between convex objects, this paper presents two algorithms for robot path planning. First, an analytically tractable potential field is defined in the robot c...
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Article
A study on hot-carrier-induced gate oxide breakdown in partially depleted SIMOX MOSFET’s
The hot-carrier-induced oxide regions in the front and back interfaces are systematically studied for partially depleted SOI MOSFET’s. The gate oxide properties are investigated for channel hot-carrier effects...
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Article
A novel one-shot decorrelator in CDMA systems
A novel one-shot decorrelator for asynchronous CDMA systems is developed. Compared with existing one-shot decorrelator, it can reduce complexity and has better performance while eliminating all MAI. This decor...
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Article
Dynamic formulations and beating phenomena of rotating Euler-Bernoulli flexible shafts
In this paper, the intrinsic behavior of rotating Euler-Benoulli flexible shafts was studied due to coupled bending and torsional vibrations. The equations of motion of the shaft with unbalanced eccentricity a...
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Article
Experimental studies on caisson-type porous seawalls
This paper presents experimental studies on the reflection characteristics of caisson-type porous seawalls under designed wave conditions. The results of physical model experiments are plotted and discussed. ...
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Article
Temperature difference between the body core and arterial blood supplied to the brain during hyperthermia or hypothermia in humans
A vascular heat transfer model is developed to simulate temperature decay along the carotid arteries in humans, and thus, to evaluate temperature differences between the body core and arterial blood supplied ...
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Article
H.263 video codec implementation based on multimedia DSP
This letter introduces the implementation of H.263 video codec based on multimedia DSP TM1300, and discuses several key problems related to video coding.
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Article
Study on Infrared Transmission Spectrum of Sildenafil Citrate Mixed in Traditional Chinese Medicine
The infrared transmission spectrum has been studied on the mixed medicine sample composed of sildenafil citrate (SDF or Viagra) and traditional Chinese medicine(TCM). The measured infrared spectra are composed...
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Article
A multiple-reception access protocol with interruptions with mixed priorities in CDMA networks
A novel access protocol called Multiple-Reception Access Protocol (MRAP) and its modification MRAP/WI are proposed. In this protocol, all colliding users with a common code can be identified by the base statio...
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Article
A decouple conjugate gradient-Gauss-Newton iterative scheme for altimetry assimilation data problems
A decouple conjugate gradient-Gauss-Newton’s iterative approximate formulation for altimetry data assimilation (ADA) problems are presented and the convergence of the iterative formulations is proved. Some num...
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Article
Iterative “one-shot” decorrelation in DS-CDMA systems
In this paper, an iterative “one-shot” decorrelator for asynchronous code Division Multiple Access(CDMA) systems is proposed. This decorrelator feedbacks the decorrelated symbols of interfering users before de...
