213 Result(s)
within
Jia**g Cheng
Engineering
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Article
Preparation and photoconductivity of Fe-phthalocyanine Derivation and C60 composite films
Fe (III)-2,9,16,23-tertracarboxy-phthalocyanine (Fe (Hl)-taPc) was synthesized, and bonded to polystyrene (PS) with covalence by Friedel-Crafts reaction to form a new polymer (Fe (Hl)-taPc-PS) (polymer (II)). ...
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Article
Prerake joint with STTCM for TDD DS-CDMA system
A novel synthetical transmit diversity, namely Prerake joint with Space-Time Trellis Coded Modulation (STTCM), for TDD DS-CDMA system is proposed in this paper. Space-Time Code (STC) is applied under the multi...
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Article
Application of ML to system identification for underwater vehicle
In this paper, maximum-likelihood (ML) and its relaxation algorithm, which are used to identify the mathematics model of an underwater vehicle(UV), are discussed. With the trial data of zigzag tests, the hydro...
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Article
Motion control of underwater vehicle based on least disturbance BP algorithm
Up to now, some technology of neural networks are developed to solve the non-linearity of researched objects and to implement the adaptive control in many engineering fields, and some good results were achieve...
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Article
Numerical Analysis on Laser-Generated Guided Elastic Waves in a Hollow Cylinder
Numerical analyses are presented for laser-generated guided elastic waves in a hollow cylinder. Time-dependent displacement at the outer surface of a hollow cylinder is expressed by summation of longitudinal a...
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Article
Water-filling space-time code in correlated flat rayleigh fading MISO channels
In this paper, STC with water-filling transmit power distribution in MISO system is proposed when the partial channel information feedback is possible, for example, at slow fading scenario. The performances of...
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Article
Force collision and next event estimation of pulse height tallies
Pulse height cannot be easily tallied with commonly used analog transport methods when the recording cells are much smaller than the whole particle transport system. This paper presents a new trasport scheme a...
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Article
Segmentation of Fingerprint Images Using Linear Classifier
An algorithm for the segmentation of fingerprints and a criterion for evaluating the block feature are presented. The segmentation uses three block features: the block clusters degree, the block mean informati...
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Article
Variational approach to homoclinic orbits in twist maps and an application to billiard systems
We study in this article the topological entropy of billiard systems on a convex domain of the Euclidean plane. We restrict our attention to those systems whose boundary curve has positive curvature and show ...
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Chapter
A Novel Multi-agent Based Complex Process Control System and Its Application
Complex process control systems need a hybrid control mode, which combines hierarchical structure with decentralized control units. Autonomy of agents and cooperation capability between agents in multi-agent s...
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Article
A new switched capacitor resonator and its research
In bandpass sigma delta modulator, resonator is the key block. This paper proposed a new resonator which can simplify the circuit implementation when designing bandpass modulator with lowpass prototype. The ef...
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Article
Texture classification based on EMD and FFT
Empirical mode decomposition (EMD) is an adaptive and approximately orthogonal filtering process that reflects human’s visual mechanism of differentiating textures. In this paper, we present a modified 2D EMD ...
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Article
Virtual reality system of manned maneuvering unit taking into consideration the disturbance from an astronaut’s limbs
This paper describes a manned maneuvering unit (MMU) virtual reality system. Based on the dynamics/kinematics model of an astronaut equipped with an MMU, a disturbance model of the astronaut’s arms under zero ...
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Article
In Situ Laser Coating of Calcium Phosphate on TC4 Surface for Enhancing Bioactivity
Titanium alloy has been a successful implant material owing to its excellent ratio of strength to weight, toughness, and bio-inert oxide surface. Significant progress has been made in improving the bioactivity...
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Article
Research on the operating characteristics of parallel 4-DOF electric platform with 4TPS-PS structure
The 4TPS-PS parallel platform designed for a stabilization and automatic tracking system is a novel lower-mobility parallel mechanism. In the first part of this paper, the structure of the platform is describe...
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Article
Application of hot strength and ductility test to optimization of secondary cooling system in billet continuous casting process
By means of Gleeble-1500 dynamic thermomechanical simulator, the continuous casting process for HRB335C steel was simulated using solidifying method and hot ductility and strength of the steel were determined....
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Article
Preparation and characterization of mesoporous indium oxide
Indium oxide nanocrystals with mesoporous structure were successfully synthesized by using triblock copolymer as a template, and characterized by thermogravimetry-differential scanning calorimeter (TG-DSC), X-...
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Article
DC gain analysis of scaled CMOS op amp in Sub-100 nm technology nodes: A research based on channel length modulation effect
Metal-oxide-semiconductor field effect transistor (MOSFET) intrinsic gain degradation caused by channel length modulation (CLM) effect is examined. A simplified model based on Berkeley short-channel insulator-...
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Chapter and Conference Paper
Study of Process Parameter Optimal Deployment Workflow in Product Development
Process parameters optimal deployment should be founded on a utility and efficient process model, so modelling the product development process (PDP) is the first problem to solve in researching and optimizing ...
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Article
Superconducting energy storage flywheel—An attractive technology for energy storage
Flywheel energy storage (FES) can have energy fed in the rotational mass of a flywheel, store it as kinetic energy, and release out upon demand. The superconducting energy storage flywheel comprising of magnet...
