Results 21 to 30 of about 11,248 (224)

Rapid Penetration Path Planning Method for Stealth UAV in Complex Environment with BB Threats

International Journal of Aerospace Engineering, 2020
This paper presents the flight penetration path planning algorithm in a complex environment with Bogie or Bandit (BB) threats for stealth unmanned aerial vehicle (UAV).
Zhe Zhang, Jian Wu, Jiyang Dai, Cheng He
doaj   +1 more source

A Multiple Radar Approach for Automatic Target Recognition of Aircraft using Inverse Synthetic Aperture Radar [PDF]

, 2018
Along with the improvement of radar technologies, Automatic Target Recognition (ATR) using Synthetic Aperture Radar (SAR) and Inverse SAR (ISAR) has come to be an active research area.
Cantu, Angel, Cantu, Elifaleth, Castellanos, Osvaldo, Gonzales, Adolfo, Kim, Dongchul, Pena-Caballero, Carlos, Rodriguez, Jesus, Son, Jae, Strait, Megan   +8 more
core   +3 more sources

Detection Performance Improving Method Analysis of Infrared Imaging Seeker against Stealth Aircraft [PDF]

Hangkong bingqi
The emergence of stealth aircraft poses a challenge to the target detection capabilities of existing radar and infrared guided air-to-air missiles. Compared to the better radar stealth performance of stealth aircrafts, infrared guided air-to-air missiles
Li Lijuan, Liu Ke, Xu Zhenya, Shi Xiaogang
doaj   +1 more source

Analysis on Stealth Requirement of Next-generation Bomber in the Future

Hangkong gongcheng jinzhan, 2018
The long-range strategic bomber’s stealth performance and plan track strategic call more and more attention. By comparing the stealth performance of next generation stealth bombers developed by the United States and Russia and their faced threats, higher
Xu Dingguo, Ai Junqiang, Lei Wutao, Wang Libo   +3 more
doaj   +1 more source

A Survey of Collocated MIMO Radar

Leida xuebao, 2022
As a novel radar system, the Multiple-Input Multiple-Output (MIMO) radar with waveform diversity has demonstrated excellent performance in several aspects, including target detection, parameter estimation, radio frequency stealth, and anti-jamming ...
Zishu HE, Ziyang CHENG, Jun LI, Wei ZHANG, Jingxi SHI, Yang SU, Minglong DENG   +6 more
doaj   +1 more source

Terrestrial analogs and thermal models for Martian flood lavas [PDF]

, 2000
The recent flood lavas on Mars appear to have a characteristic “platy-ridged” surface morphology different from that inferred for most terrestrial continental flood basalt flows.
A. S. McEwen, Arya, Bird, Booth, Cattermole, Crisp, Crisp, Davies, Edgett, Edgett, Fink, Glaze, Goncharov, Greeley, Greeley, Greeley, Harmon, Harmon, Hartmann, Hartmann, Hartmann, Hill, Hon, Hooper, Hulme, Jakobsson, Jerram, Keszthelyi, Keszthelyi, Keszthelyi, Keszthelyi, Keszthelyi, Keszthelyi, Kilburn, L. Keszthelyi, Macdonald, Macdougall, Malin, Mangan, Martin, McEwen, McEwen, McEwen, McEwen, Mouginis-Mark, Muhleman, Oskarsson, Peterson, Pieri, Plescia, Reidel, Rowland, Sakimoto, Sakimoto, Scott, Scott, Self, Self, Shaw, Smith, Spence, Steingrímsson, Stephenson, Swanson, T. Thordarson, Theilig, Thorarinsson, Thordarson, Thordarson, Thordarson, Tolan, Wadge, Walker, Ward, Wilson, Wilson, Woods, Zielinski   +77 more
core   +1 more source

A Novel Real-Time Penetration Path Planning Algorithm for Stealth UAV in 3D Complex Dynamic Environment

IEEE Access, 2020
In recent years, stealth aircraft penetration path planning has been a significant research subject in the field of low altitude combat. However, previous works have mainly concentrated on the path planning for stealth unmanned aerial vehicle(UAV) in 2D ...
Zhe Zhang, Jian Wu, Jiyang Dai, Cheng He
doaj   +1 more source

The phase-switched screen [PDF]

, 2004
Conventional (passive) radar-absorbent materials operate either by phase cancellation or by absorbing incident electromagnetic energy and converting it into heat. This paper examines a new type of active "absorber," called the phase-switched screen (PSS).
Chambers, B., Tennant, A.
core   +1 more source

Advanced radar absorbing ceramic-based materials for multifunctional applications in space environment [PDF]

, 2018
In this review, some results of the experimental activity carried out by the authors on advanced composite materials for space applications are reported.
Albano, M., Delfini, A., Marchetti, M., Pastore, R., Rubini, G., Santoni, F., Vricella, A.   +6 more
core   +1 more source

Floating off-board radar decoys: stealth at sea

Transactions of the Krylov State Research Centre, 2023
Object and purpose of research. Radar signatures of floating off-board decoys used by foreign navies for eluding anti-ship missiles of at sea are estimated. Materials and methods. Analysis of existing floating radar decoys are based on reviews of leading foreign experts.
A.Yu. Andreev, I.A. Shikhov
openaire   +1 more source