21 Result(s)
within
English
Engineering
Electrical Engineering
De-** Wang
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Article
A CNC-Machined WR-2.2 Band Orthogonal Mode Transducer for a Radiometer
This paper presents a WR-2.2 band waveguide orthogonal mode transducer (OMT) for an ice cloud remote sensing radiometer. A holistic approach is proposed to the design and manufacturing. Given the difficulties ...
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Article
Clustering Algorithm Based on Fuzzy Comprehensive Evaluation for Wireless Sensor Networks
Energy efficiency and quality of service (QoS) are both required performances in the practical applications of wireless sensor networks. Clustering is one of main methods to achieve performance tradeoffs. In t...
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Article
Novel Quick Start (QS) method for optimization of TCP
With the development of Internet, various kinds of new applications appear constantly. They all have high requirements to the time delay, throughput, especially strong real-time applications such as mobile mon...
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Chapter and Conference Paper
Effect of Co-do** on the Electronic Structure and Absorption Spectrum of Wurtzite ZnO Under Pressure
The effect of Co content and hydrostatic pressure on the electronic structure and absorption properties of wurtzite ZnO has been investigated by first principles calculations. The results reveal that the split...
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Article
An overview of performance trade-off mechanisms in routing protocol for green wireless sensor networks
Along with the development of the technologies of various kinds, wireless sensor networks are gradually entering into the practicalization phase. Therefore, whether its performance is good or not will directly...
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Article
An EAODV routing approach based on DARED and integrated metric
Wireless Mesh Network (WMN) is a new high-capacity and high-speed distributed broadband access network. Because of supporting multi-band devices, WMN is suitable for different application in the Internet of Th...
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Article
Containership structural design and optimization based on knowledge-based engineering and Gaussian process
Knowledge-based engineering (KBE) has made success in automobile and molding design industry, and it is introduced into the ship structural design in this paper. From the implementation of KBE, the determinist...
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Article
Research into Influence of Gaussian Beam on Terahertz Radar Cross Section of a Semicircular Boss
In radar cross section (RCS) calculation of a rough surface, the model can be simplified into the scattering of geometrically idealized bosses on a surface. Thus the problem of the RCS calculation of a rough s...
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Article
Research into Influence of Gaussian Beam on Terahertz Radar Cross Section of a Conducting Cylinder
In RCS measurement, usually the incident beam is a Gaussian beam or a similar beam source; however, in the theoretical RCS estimation, usually a plane wave is assumed as the incident beam for sake of simplicit...
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Article
An improved method of detecting chaotic motion for rotor-bearing systems
Based on reconstructing the phase space and calculating the largest Lyapunov exponent, an improved method of detecting chaotic motion is presented for rotor-bearing systems. The method is an improvement to the...
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Article
Influence of Gaussian Beam on Terahertz Radar Cross Section of a Conducting Sphere
In RCS estimation, usually a plane wave is assumed; while in real measurements at terahertz frequencies, generally a Gaussian beam or a similar beam source is adopted. In this paper, the RCS of a conducting sp...
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Article
Study on toughening on crack prevention of jointed rock masses with different pre-stress anchor cables
The major reason of the failure of jointed rock-mass is the formation of the plastic zone near the crack tip of I-II mixed crack which leads to the growth, propagation of the branched crack under load conditio...
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Chapter and Conference Paper
Computing Stability for Autopilots Based on Vector Margin
A novel stability computation approach for tactical missile autopilots was detailed. The limitations of traditional stability margins were exhibited. Then the vector margin was introduced and examined. All ava...
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Article
Influence of excitation frequency on slosh-induced impact pressures of liquefied natural gas tanks
Liquid sloshing phenomena in No. 2 tank of 140 km3 liquefied natural gas (LNG) carriers have been studied numerically and experimentally. The scale of the model tank was selected as 1/55.9. Roll and pitch motions...
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Article
Detecting stationarity and nonlinearity in propeller singing signal
The propeller singing is such a complex fluid-structure coupling phenomenon that needs to study intensively. In this paper, the stationarity of propeller singing signal is tested by the recurrence plot techniq...
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Article
Improvement of collaborative optimization
This paper presents a new improved collaborative optimization (CO) model that provides solution capabilities for multiobjective multidisciplinary optimization problems. Reasons that cause computational difficu...
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Article
Influence of unidirectional tensile external-loading on electromagnetic property of the perforated frequency selective surface illuminated by electromagnetic wave incident at arbitrary angles
That whether unidirectional tension changes the influence of incident angle on FSS’s (frequency selective surface) electromagnetic (EM) property and whether incident angle changes the effect of unidirectional ...
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Article
A study on dynamic response of cable-seabed interaction
A numerical method is developed to investigate the dynamic response of cable-seabed interaction in this paper. The motion of cable is described by the Lumped Parameter Method, while the seabed, unlike the prev...
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Article
Steady state analysis of towed marine cables
Efficient numerical schemes were presented for the steady state solutions of towed marine cables. For most of towed systems, the steady state problem can be resolved into two-point boundary-value problem, or i...
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Article
Dynamic response analysis of towed cable during deployment/retrieval
A numerical approach was developed to analyze the transient behavior of towed cable during actively controlled deployment/retrieval (DR). The cable motion is described by the lumped parameter method, its corre...
