This report handles the preliminary design of a control system that includes both attitude control and boost control functionality for sounding rockets.This is done to Continue reading
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Investigation of Using Injection-Locked Fabry–Pérot Laser Diode With 10% Front-Facet Reflectivity for Short-Reach to Long-Reach Upstream PON Access
In this paper, we propose and investigate an injection-locked Fabry-Pérot laser diode (FP-LD) with 10% front-facet reflectivity by using Continue reading
Performance Analysis of Ipv4 / Ipv6 Protocols Over the Third Generation Mobile Network
Currently, the IPv4 protocol is heavily used by institutions, companies and individuals, but every day there is a higher number of devices connected to the network such as home appliances, mobile phones or tablets. Each machine or Continue reading
Characterization of a 5GHz Modular Radio Frontend for WLAN Based on IEEE 802.11p
The number of vehicles has increased significantly in recent years, which causes high density in traffic and further problems like accidents and road congestions. A solution regarding to this problem is Continue reading
Design of Stacked Swithced Capacitor Energy Buffers for Offline LED Drivers
ABSTRACT
Light Emitting Diode (LED) lamps are becoming the preferred lighting option for a large number of applications due to their high efficiency and long life. Since LED lamps require a power electronic driver to operate from ac line, the LED driver Continue reading
Performance Analysis for Joint Target Parameter Estimation in UMTS-based Passive Multistatic Radar with Antenna Arrays Using Modified Cramer-Rao Lower Bounds
ABSTRACT
In this study, the modified Cramer-Rao lower bounds (MCRLBs) on the joint estimation of target position and velocity is investigated for a universal mobile telecommunication system (UMTS)-based passive multistatic radar system with antenna arrays. Continue reading
Vertical-Strip-Fed Broadband Circularly Polarized Dielectric Resonator Antenna
ABSTRACT
A vertical-strip-fed dielectric resonator antenna exhibiting broadband circular polarization characteristics is presented. A broad 3 dB axial ratio bandwidth (ARBW) is achieved by combining multiple orthogonal modes due to the use of a special-shaped Continue reading
GPS based Navigation Performance Analysis within and beyond the Space Service Volume for Different Transmitters Antenna Patterns
ABSTRACT
In recent years, global navigation satellite system (GNSS)-based navigation in high earth orbits (HEOs) has become a field of research interest since it can increase the spacecraft’s autonomy, thereby reducing the operating costs. However, Continue reading
Impedance Matching Antenna-Integrated High-Efficiency Energy Harvesting Circuit
ABSTRACT
This paper describes the design of a high-efficiency energy harvesting circuit with an integrated antenna. The circuit is composed of series resonance and boost rectifier circuits for converting radio frequency power into boosted direct current (DC) Continue reading
Throughput Measurement of a Dual-Band MIMO Rectangular Dielectric Resonator Antenna for LTE Applications
ABSTRACT
An L-shaped dual-band multiple-input multiple-output (MIMO) rectangular dielectric resonator antenna (RDRA) for long term evolution (LTE) applications is proposed. The presented antenna can transmit and receive information independently using Continue reading
The Hepatitis C Virus Nonstructural Protein 2 (NS2): An Up-and-Coming Antiviral Drug Target
ABSTRACT
Infection with Hepatitis C Virus (HCV) continues to be a major global health problem. To overcome the limitations of current therapies using interferon-α in combination with ribavirin, there is a need to develop drugs that specifically block viral Continue reading