Study on the performance of shaped charge jet of multi-proportion tungsten matrix composites based on selective laser melting technology
April 2026
In this study, selective laser melting (SLM) technology was used to prepare multi-ratio tungsten-based composite material liners, and the feasibility of its application in the field of shaped charge...
Bias compensation for MEMS gyroscopes using Gaussian process regression with resonant frequency and quadrature output
April 2026
The bias of micro-electro-mechanical system (MEMS) gyroscopes is sensitive to temperature variations, which limits their accuracy in complex thermal environments. To address this issue, this paper proposes...
Nonsingular terminal super-twisting sliding mode control with extended state observer for multi-domain motion control of tandem twin-rotor Aerial-aquatic vehicles
April 2026
The stability of Aerial-aquatic vehicles (AAVs) control under complex maritime conditions is of significant importance for its practical application. To achieve higher control accuracy and faster response...
Strategic integration of 1,2,4-oxadiazole and nitramino-triazole frameworks for high-energy-density materials
April 2026
Developing high-energy-density materials (HEDMs) with balanced energy and safety performance remains a significant challenge in energetic materials. This study presents the synthesis and systematic...
A universal CNN-Based approach for modulation period estimation
April 2026
This paper presents a universal framework for estimating the modulation period of signals with periodic modulation characteristics, applicable to communications, radar, and other radio systems. A key...
Dynamic response analysis of the liquid-filled cylindrical shell under internal explosion load
April 2026
This study theoretically explored the dynamic response of the liquid-filled cylindrical shell structure experiencing internal explosion shock waves. It analyzed the radial deformation of the liquid-filled...
Deflagration or detonation: A new way to evaluate initial thermal decomposition behaviors of energetic complex
April 2026
Primary explosives generally play a critical role in initiating explosive reactions in energetic systems, where thermal initiation is governed by the stability of structural hot-spot bonds. However,...
Current status and prospects of guidance techniques for intercepting hypersonic glide vehicles: A review
April 2026
Hypersonic vehicles present formidable challenges to existing air and missile defence systems due to their extreme velocity, extended-range strike capability, and exceptional maneuverability, driving...
Entry trajectory optimization for cross-domain morphing vehicles by hybrid sequential second-order cone programming
April 2026
This paper proposes a hybrid sequential second-order cone programming (HSSOCP) method with a three-layer scheme for the entry trajectory optimization of the cross-domain morphing vehicles (CDMVs). By...
Evaluation of UHMWPE prepreg laminates under near simultaneous multiple projectile impacts: Effects of structural shapes and projectile dispersions
April 2026
Multiple projectile impacts are significant threats in real-world military and anti-terrorism operations. Previous researches have mainly focused on the protection mechanism and structure design against...
Experimental study and 3D cellular automaton simulation of intergranular corrosion on laser-welded joints of Al-Cu-Li alloys under acidic conditions
April 2026
This study proposes a multi-scale research approach that integrates micro-characterization experiments and 3D cellular automata (CA) simulations to investigate the intergranular corrosion (IGC) behavior...
Mechanistic insights into ionic liquid-assisted nitration of chitin: A promising energetic polysaccharide for advanced applications
Available online 29 April 2026
In this study, chitin biopolymer (CT) was successfully nitrated using the 1-butyl-3-methylimidazolium chloride ionic liquid and fuming nitric acid as the reaction medium for the first time. The obtained...
Signal Analysis of Instantaneous Thrust Pulsations in Water jet Propulsion Pumps: Chaotic Characteristics and Flow-Induced Mechanisms
Available online 28 April 2026
Although water jet propulsion pumps are widely used in military vessels and submarines, conventional analytical approaches have limited capability in revealing their instantaneous thrust characteristics...
Ignition criteria for diesel fuel tanks under high-velocity impact of spherical tungsten fragment
Available online 27 April 2026
Fuel tanks are critical yet vulnerable components in military platforms such as aircraft and ground vehicles, and high-velocity fragment impacts may trigger ignition and pose severe hazards. In realistic...
Study on damage criterion of the typical barrel subjected to tungsten fragment impact considering artillery firing loads and multi-factor effects
Available online 27 April 2026
The gun barrel is the critical component of artillery weapons exposed outside the armor and plays a key role in projectile launching. At present, studies on the vulnerability of gun barrels subjected...
Robust Damage-Probability Optimization for Micro-UAV Attack–Detonation Control in Uncertain Environments
Available online 27 April 2026
To address the issue of unreliable damage under environmental wind disturbances and high-mobility of the target conditions, a micro-miniature UAV (unmanned aerial vehicle) attack and detonation control...
Variational Inference based sparse representation model for lost spectrum recovery
Available online 26 April 2026
Multi-band signal level fusion technology is capable of dealing with discontinuity of available bandwidth caused by frequency resources limitation and jamming signals. However, multi-band signal level...
Drone battlefield localization via multi-task learning and domain adaptation
Available online 26 April 2026
Reliable autonomous localization is crucial for unmanned aerial vehicles (UAVs) to perform military tasks such as reconnaissance and surveillance. However, in battlefield environments where Global Navigation...
Surface optimization and synergistic quantification method for OTS anti-relaxation coatings
Available online 25 April 2026
To enhance the anti-relaxation performance of alkali metal vapor cells in quantum sensors, a synergistic optimization and quantitative evaluation strategy for surface parameters of octadecyl-trichlorosilane...
An explicit closure for the head–tail velocity relation of long-rod penetrators based on dimensional decoupling and physics-constrained machine learning
Available online 25 April 2026
This study investigates the correlation between the projectile nose velocity and tail velocity during the penetration of semi-infinite metallic targets by long rods in the velocity range of 1500–2500...
Enhancing the performance of serf atomic gyroscopes with novel dual-axis gradient compensation coils: Design, implementation, and in-situ validation
Available online 25 April 2026
Spin-exchange relaxation-free (SERF) atomic gyroscopes (AGs) offer unprecedented theoretical precision for next-generation inertial navigation. However, complex boundary effects induced by high permeability...
Study on the Coupling Mechanism Between Positive Vorticity Transport and Hub Vortex Formation in Water-Jet Propulsion Systems
Available online 25 April 2026
Water-jet propulsion technology is widely employed in high-speed naval vessels owing to their high propulsive efficiency. As an important component of the wake vortex system of the Water-jet propulsion...
Quasi-static multiaxial and dynamic mechanical behavior of disordered auxetic foam
Available online 25 April 2026
Auxetic metamaterials have attracted significant attention for protective applications due to their counterintuitive deformation behavior and superior energy absorption capabilities. However, comprehensive...
Characterization of debris clouds produced by oblique hypervelocity impact on staggered honeycomb core sandwich panels
Available online 25 April 2026
Spacecraft must balance protective performance against mass constraints when facing hypervelocity impact threats. This makes honeycomb sandwich panels (HC/SP) a widely adopted solution. However, the...