Modified Nested Barker Codes for Ultra-Wideband Signal–Code Constructions [PDF]
Currently, various applications of ultra-wideband signal–code constructions are among the most vibrant technologies, being implemented in very different fields. The purpose of this research consists of analyzing Barker codes and searching for the optimal
Vadim A. Nenashev +4 more
doaj +2 more sources
Optimization of Transient Response Radiation of Printed Ultra Wideband Dipole Antennas (Using Particle Swarm Optimization Method) [PDF]
In case of particular ultra wideband applications (i.e. radar, positioning, etc.), it is crucial to know the transient responses of antennas. In the first part of the paper, the optimization process searches for the dipole shape that accomplishes two ...
M. Mazanek, P. Cerny
doaj +2 more sources
A METHOD OF PROTECTING INFORMATION IN CYBER-PHYSICAL SPACE
The subject of the study is the processes of ensuring the reliability and security of information in cyber-physical space. The objective is to develop recommendations for the implementation of a method of information security in cyber-physical space ...
Nataliia Dzheniuk +4 more
doaj +1 more source
Signal Processing Algorithm for Monopulse Noise Noncoherent Wideband Helicopter Altitude Radar
Radio altimeters are an important component of modern helicopter on-board systems. These devices currently involve the use of narrowband deterministic signals, that limits their potential technical characteristics.
Valeriy Volosyuk +7 more
doaj +1 more source
Rapid Hybrid Acquisition of Ultra-Wideband Signals [PDF]
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhang, HL, Goeckel, DL, Wei, SQ, Win, MZ
openaire +3 more sources
Application of a short-pulse ultra-wideband probing signal for estimating reflective characteristics [PDF]
The paper presents a method developed for processing coherent short-pulse ultra-wideband signals reflected from a certain control zone, which makes it possible to evaluate the distribution of reflective characteristics over this zone.
Marina V. Samoilenko
doaj +1 more source
An ultra-wideband origami microwave absorber
Microwave absorbers have been used to mitigate signal interference, and to shield electromagnetic systems. Two different types of absorbers have been presented: (a) low-cost narrowband absorbers that are simple to manufacture, and (b) expensive wideband ...
Akash Biswas +5 more
doaj +1 more source
Antenna Delay Calibration of UWB Nodes
Impulse-radio ultra-wideband (IR-UWB) networks are gaining wide acceptance in short-to-medium range wireless sensing and positioning applications that require high accuracy. It is achieved generally via signal message exchange between ultra-wideband (UWB)
Shashi Shah +4 more
doaj +1 more source
Quadrature Phase Shift Keying (QPSK) Modulator Design using Multi-Port Network in Multilayer Microstrip-Slot Technology for Wireless Communication Applications [PDF]
The design of the quadrature phase shift keying (QPSK) modulator by using a multi-port network is proposed in this article for the use in wireless communication applications. The multi-port network is in the form of multilayer microstrip-slot technology.
Mohamed Ghazali, S. N. A., Seman, N.
core +4 more sources
Frequency shift keying (FSK) signal has been widely used in modern radar systems. To intercept the FSK radar signal with a high interception probability, radar reconnaissance receiver should have an ultra‐wideband receiving ability.
Zhaoyang Qiu +5 more
doaj +1 more source

