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Article
An optimal deployment strategy for multi-plane satellite constellation using a generalized non-planar maneuver
Satellite constellation deployment is a cohesive mission where the trajectories of satellites must be planned concurrently. This paper presents an Integrated Program for Optimal Deployment of a Satellite Const...
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Article
Distinguishing periodic attitude motions from Poincaré sections using a compatible clustering method
Periodic attitude motions are used to reduce the fuel cost of space missions as they can lessen the need for constant pointing adjustments. One way to detect these evasive motions is by using Poincaré sections...
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Article
Minimum Cost Perturbed Multi-impulsive Maneuver Methodology to Accomplish an Optimal Deployment Scheduling for a Satellite Constellation
The optimal design of a satellite constellation is a highly constrained, multidisciplinary problem. The satellite constellation requires a flexible optimal deployment algorithm that can consider constraints an...
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Article
Natural coupled orbit—attitude periodic motions in the perturbed-CRTBP including radiated primary and oblate secondary
This study investigated periodic coupled orbit—attitude motions within the perturbed circular restricted three-body problem (P-CRTBP) concerning the perturbations of a radiated massive primary and an oblate se...
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Article
Relative attitude tracking of two satellites in the presence of third-body perturbation and considering actuator saturation
The Geometric method is one of the nonlinear methods for expressing the large-scale relative motion of satellites. In this paper, the equations of the Geometric method for perturbed orbits have been developed ...
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Chapter and Conference Paper
Fraudulent e-Commerce Website Detection Model Using HTML, Text and Image Features
Many of Internet users have been the victims of fraudulent e-commerce websites and the number grows. This paper presents an investigation on three types of features namely HTML tags, textual content and image ...
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Article
Investigation of Low Thrust Optimal Orbital Transfer from LEO to GEO Considering Circular Orbits
In the present research, optimal control problem for low thrust spacecraft orbital transfer is investigated by combination of analytical method and Artificial Bee Colony (ABC) algorithm, which is a population-...
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Article
Perturbed HEO Satellite Hovering Investigation in the Earth-Moon System
The relative hovering of satellites in highly elliptic orbits (HEO), as one of the most crucial space operations, is modeled and analyzed in this paper. The proposed modeling is based on the new perturbed rela...
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Chapter and Conference Paper
A Robust DCT Based Technique for Image Watermarking Against Crop** Attacks
Watermarking is a common technique for authentication and message hiding. Watermarking should be invisible and robust to common processing and attacks. This paper presents a robust DCT based technique for imag...
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Article
Cryptanalysis and improvement of a robust smart card secured authentication scheme on SIP using elliptic curve cryptography
The session initiation protocol (SIP) has been receiving a lot of attention to provide security in the Voice over IP (VoIP) in Internet and mobility management. Recently, Yeh et al. proposed a smart card-based...
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Chapter and Conference Paper
Selection of Soil Features for Detection of Ganoderma Using Rough Set Theory
Ganoderma boninense (G. boninense) is one of the critical palm oil diseases that have caused major loss in palm oil production, especially in Malaysia. Current detection methods are based on molecular and non-...
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Article
Open AccessTimoshenko beam model for buckling of piezoelectric nanowires with surface effects
This paper investigates the buckling behavior of piezoelectric nanowires under distributed transverse loading, within the framework of the Timoshenko beam theory, and in the presence of surface effects. Analyt...