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"MILITARY AIRCRAFT"
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AC-130-H/U gunship
Presents information about AC-130-H/U gunships, covering how they are used, their history, and their specifications.
Book
Automated Classification of Military Aircraft Using Deep Neural Networks
Military aircraft detection in aerial imagery is critical for defence operations, airspace management, and automated surveillance. This paper presents a dataset of 74 military aircraft types, including high-value models like the F-35, B-52, and Rafale, annotated with precise bounding boxes across diverse conditions. The proposed approach, leveraging YOLOv10, achieves a precision of 82 %, recall of 66.4 %, and an F1 score of 0.687. Model evaluation yields a Mean Average Precision (mAP) of 76.4 % at Intersection over Union (IoU) 0.5 and 68.7 % across IoU 0.5–0.95, demonstrating robust detection performance. Real-time feasibility is ensured with an inference speed of 3.8 ms per image. Confusion matrices, PR curves, and annotated results highlight model strengths and areas for improvement, particularly in distinguishing visually similar aircraft. This study positions YOLOv10 as a strong candidate for real-time military aircraft recognition, contributing to defence surveillance and threat monitoring advancements.
Journal Article
A Survey on Structural Coupling Design and Testing of the Flexible Military Aircraft
Structural coupling (i.e., aeroservoelasticity) between the flight control system with multiple motion sensor feedbacks and the aeroelastic modes of the flexible airframe can be a serious problem in high-performance aircraft. In a military specification document, MIL-STD-9490D, adequate stability margin requirement is required to be complied with for all frequencies at or beyond the first aeroelastic mode in all flight conditions. To minimize the structural coupling effect to satisfy the stability margin requirement in flying qualities aspects, various design methods are adopted during the aircraft development stage as follows: to reinforce aircraft’s structure on which sensor is mounted, to minimize weight/inertia of control surfaces, to select the optimal sensor position, to optimize control gains, to design notch filters for minimizing phase lag in low-frequency band, to design phase advance filters, to apply additional active control technique, and so on. In this paper, we identify major design considerations which have been applied to the production fighter aircraft to minimize the structural coupling. The reviews regarding the prospects on design technologies would be most helpful to the structure and flight control law engineers.
Journal Article
Selection of Combat Aircraft by Using Shannon Entropy and VIKOR Method
The selection of military defense equipment, especially fighter aircraft, has a bearing on the readiness ofthe Indian Air Force to defend the country’s independence. This study analyses a collection of alternative fighteraircraft that are linked to several choice factors using a multiple-criterion decision-making analysis technique. Tohandle such scenarios and make wise design judgements, a variety of criterion decision analysis techniques can beused. In this study, we assess fifth-generation fighter aircraft that incorporate significant 21st-century technologicaladvancements. These aircraft represent the state-of-the-art in fleet planning operations to 2022. These are generallyequipped with quick-moving airframes, highly integrated computer systems, superior avionics features, networkingwith other battlefield elements, situational awareness, command, control, and other communication capabilities.The study proposes a strategy for the selection of the fifth-generation combat aircraft for the National Air Force.Because of the problems, the Army needed an application that could assist with decision-making for combat selection systems. Solving the decision problem for evaluating fifteen military fighter alternatives in terms of nine decision criteria is the main objective of this work. We use the Shannon entropy and VIKOR model for the Air Force’s fleet program to evaluate military fighter aircraft suitability. The entropy technique is used to compute the weight of the criteria, and then the VIKOR technique has been used to rank the fighter aircraft.
Journal Article
Phantom sun
\"After an unknown aircraft crashes in Antarctica near a science facility, Shadow Squadron is deployed to recover the device. But when Russian Special Forces intervene, Cross gets caught between the mission's objective and the civilian scientists' safety\"-- Provided by publisher.
Book
Gas turbine propulsion systems
\"'Gas Turbine Propulsion Systems in Aerospace & Defense' pulls together all of the systems and subsystems associated with gas turbine engines in aircraft and marine warship applications. The subject of engine (fuel) control has undergone major changes in the past 20 years due to the advent of the digital electronic control technology and therefore existing books on the subject are typically out of date with current methods. 'Gas Turbine Propulsion Systems in Aerospace & Defense' discusses the latest technologies in this area; including marine propulsion which is an emerging application area for the technology that involves some interesting modifications to aviation technologies. This book also fits well into the systems engineering focus of the Aerospace Series. Includes chapters on aircraft engine systems functional overview, marine propulsion systems, fuel control and power management systems, engine lubrication and scavenging systems, nacelle and ancillary systems, engine certification, unique engine systems and future developments in gas turbine propulsion systems Includes case studies of specific engines Includes applications within marine defence Accompanied by a book companion website featuring full colour images \"-- Provided by publisher.
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