Results 21 to 30 of about 590,410 (251)

European Missile Defense and Russia [PDF]

, 2014
View the Executive SummaryThis monograph examines the history of missile defense and the current dialogue from a Russian perspective, in order to explain the root causes of Russian alarm.
Keir Giles, Giles, Keir, Mr., Andrew Monaghan, Monaghan, Andrew, Dr.   +3 more
core   +1 more source

EM Scattering of A Target above Canyon/Valley Environment Based on Composite Rough Surface Modeling Method and Modified SBR-FBSSA Algorithm

Applied Sciences, 2023
The composite electromagnetic (EM) scattering characteristics from a target above a canyon/valley environment are significant. Aiming to acquire the composite EM scattering efficiently and accurately, the framework of the canyon/valley environment ...
Yijin Wang, Chuangming Tong, Tong Wang, Ximin Li, Qingkuan Wang, Zhaolong Wang   +5 more
doaj   +1 more source

Simulation and analysis of partial pulse remained jamming to HPRF PD radar [PDF]

MATEC Web of Conferences, 2022
To solve the problem that the duty cycle of HPRF PD radar is not easy to use the general tow-and-pull jamming, a method of partial pulse remained jamming is proposed.
Sun Zhiyong, Shi Chunjuan, Tian Hailin
doaj   +1 more source

Test and evaluation of the Ballistic Missile Defense System: FY03 progress report [PDF]

, 2003
This report summarizes the work done in FY03 to develop a systematic engineering-based approach for constructing a high-level architecture for a Ballistic Missile Defense System (BMDS).
Babbitt, Joel D., Weller, David B., Miklaski, Michael H., Michael, James Bret, Pace, Phillip E., Shing, Man-Tak, Tummala, Muralg   +6 more
core   +1 more source

Intelligent Trajectory Prediction Algorithm for Reentry Glide Target Based on Intention Inference

Applied Sciences, 2022
Aimed at the problem of the insufficient utilization of intention information and flight data for the trajectory prediction of a reentry glide target, an intelligent trajectory prediction algorithm based on intention inference was proposed.
Mingjie Li, Chijun Zhou, Lei Shao, Humin Lei, Changxin Luo   +4 more
doaj   +1 more source

Circularly Polarized Transmissive Meta‐Holograms with High Fidelity

Advanced Photonics Research, 2021
Holography has attracted considerable interest because of its excellent capacity of recording and perfectly reconstructing the target information. The emergence of metasurfaces provides a new medium to code holograms in the subwavelength scale.
Xiaofeng Li, Haisheng Hou, Kaiyue Liu, Jing Lou, Guangming Wang, Tong Cai   +5 more
doaj   +1 more source

Weighted target detector via estimated SNR in a multipath environment

The Journal of Engineering, 2019
Multipath effect cause serious performance degradation in low-altitude target detection. To overcome the negative multipath effect in a low-altitude environment, a novel weighted detector based on the estimated signal-to-noise ratio (ESNR) is proposed ...
Hao Zhou, Guoping Hu, Junpeng Shi, Yu Xiao   +3 more
doaj   +1 more source

Analysis of multicarrier frequency diverse array radar over time

IET Signal Processing, 2022
The frequency diverse array (FDA) can provide degrees of freedom in both the range and angle domains by controlling the frequency offset across adjacent elements.
Yingjian Zhao, Bo Tian, Chunyang Wang, Jian Gong, Ming Tan, Changlin Zhou   +5 more
doaj   +1 more source

Organic photonic synaptic transistors for bionic vision: From spectral engineering to flexible intelligent perception

FlexMat, EarlyView.
Different wavelength photonic synapses are used for biomimetic visual applications. Abstract Bionic intelligent visual perception systems have significant application prospects in fields such as autonomous driving and robotics, medical imaging and auxiliary diagnosis, security and monitoring.
Longlong Jiang, Shan Wu, Silu Feng, Heyi Huang, Wangyu Wu, Hong Han, Yao Ni   +6 more
wiley   +1 more source

System requirements analysis and technological support for the Ballistic Missile Defense System (BMDS): FY07 progress report [PDF]

, 2007
Engineering of the Ballistic Missile Defense System (BMDS) requires one to take a holistic approach that includes the physical modeling and analysis of the missile defense operating environment, development of metrics and techniques to analyze the ...
Michael, J.B., Pace, P.E., Katsis, G., Knorr, J.B., Rakdham, B., Auguston, M., Drusinsky, D., Shing, M., Otani, T., Cook, T., Hutchins, R., Katopodis, P., Pace, Z.P., Sampson, A.J., Waddell, C.C., Patsikas, D., Walker, T.O., Tummala, M., Little, D., Tummala, H., Chen, Y.Q.   +20 more
core   +1 more source