Results 41 to 50 of about 152,928 (258)

Donald Trump’s Administration Confronting Missile Defence: Key Challenges and Probabilistic Overview

open access: yesInternational Studies: Interdisciplinary Political and Cultural Journal, 2019
The text describes main US missile defence efforts in the first years of D. Trump’s administration. The analysis of current aspects of BMD (Ballistic Missile Defence) deployments is enhanced by probability analysis examining missile defence reliability ...
Grzegorz Nycz
doaj   +1 more source

US ballistic missile defenses, 2019

open access: yesBulletin of the Atomic Scientists, 2019
The Nuclear Notebook is researched and written by Hans M. Kristensen, director of the Nuclear Information Project with the Federation of American Scientists, and Matt Korda, a research associate with the project.
Matt Korda, H. Kristensen
semanticscholar   +1 more source

Cooperative control method of multi-missile formation under uncontrollable speed

open access: yesXibei Gongye Daxue Xuebao, 2021
Under the missile speed is uncontrollable, a design method of multi-missile formation flight controller based on the sliding mode variable structure control theory and adaptive dynamic surface control theory is proposed.

doaj   +1 more source

Comprehensive Mathematical Model of the Ballistic Trajectory of an Operational-Tactical Missile

open access: yesMilitary science
Flat trajectories that do not exceed the Karman line and maneuvering in the terminal (descending) phase of the flight have become the main requirements for the characteristics of modern operational-tactical missiles.
Анатолій Дудуш   +1 more
doaj   +1 more source

Group-Fusion One-Dimensional Convolutional Neural Network for Ballistic Target High-Resolution Range Profile Recognition with Layer-Wise Auxiliary Classifiers

open access: yesInternational Journal of Computational Intelligence Systems, 2023
Ballistic missile defense systems require accurate target recognition technology. Effective feature extraction is crucial for this purpose. The deep convolutional neural network (CNN) has proven to be an effective method for recognizing high-resolution ...
Qian Xiang   +5 more
doaj   +1 more source

Kinetic Compensation of Barrel Launch Under High‐Speed Solid‐Phase Particulate Impacts

open access: yesInternational Journal of Mechanical System Dynamics, EarlyView.
ABSTRACT An accurate launch‐dynamics computational method is critical for barrel weapon service life assessment and multiphase physics field refinement. Given the lack of studies on the solid‐phase buildup behavior at the projectile base, this paper provides an improved method for calculating the launching dynamics under high pressure and high speed ...
Zhiyi He   +3 more
wiley   +1 more source

The Investigation of Fire Effects to Structural Elements of a Mobile Unit with a Compact Nuclear Power Plant

open access: yesГлобальная ядерная безопасность, 2022
During the first twenty years of the ХХI century a number of a different nature armed conflicts have occurred. In some of them states with nuclear-missile take part.
O. A. Gubeladze, A. R. Gubeladze
doaj   +1 more source

Sampling, Mobility, and Anchoring in Small‐Body Sampling Robots: A Comprehensive Review

open access: yesSmartBot, EarlyView.
Small‐body sampling robots are exploration systems that perform contact, sampling, and stable operations on microgravity bodies such as asteroids and comets. The authors review representative robot architectures and key technologies, focusing on the mechanisms, evolution, and coupling of sampling, mobility, and anchoring.
Yurui Shen   +7 more
wiley   +1 more source

When does category spanning hurt or help producers?

open access: yesStrategic Management Journal, EarlyView.
Abstract Research Summary Scholars have theorized many factors shaping whether category spanning helps or hurts producers. We first synthesize evidence by meta‐analyzing 25 years of empirical research, which reveals a null effect of spanning on average, yet with significant subsample heterogeneity. To unpack it, we theorize and find that spanning hurts
Jungsoo Ahn   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy