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西安电子科技大学高频电子线路课件chapter10 Integer-N Frequency Synthesizers
西安电子科技大学 高频电子线路 课件 chapter10 nteger-N Frequency Synthesizers
2019/4/26
西安电子科技大学高频电子线路课件chapter10 Integer-N Frequency Synthesizers。
Simulation of optically controlled GaN (Gallium Nitride) using analytical modeling of high frequency response and switching applications
Modeling analysis optical control gallium nitride ion dose ion energy ion range of parameters
2014/12/31
In this project, an analytical modeling of optically controlled Gallium Nitride has been presented here for an analysis of extrinsic and intrinsic parameters such as, gate capacitances including both ...
Simultaneous channel utilization: a frequency notching approach
Spectral bandwidth wireless data transmission synchronization channel utilization and communication system
2014/12/31
Many spectrum utilization challenges have arisen from the increased demands of wireless data transmission with limited spectral bandwidth. One of these challenges includes simultaneous channel utiliza...
Cognitive and encrypted communications: state of the art and a new approach for frequency-agile filters
Active filters cognitive radio current controlled conveyors frequency agile filters
2011/3/22
Several communication techniques are investigated in the first part of this paper: software radio, cognitive radio and encrypted communications. State of the art of research on agile and reconfigurabl...
Analysis of frequency characteristics of electrical arcs on the insulating sheath of the ADSS fiber optic cables
ADSS cable dry-band arcing frequency spectrum ageing process
2011/3/22
The insulating outer-sheath of ADSS (All dielectric self supporting) cables used on high voltage transmission lines are often subjected to various environmental effects. The ageing process of cable sh...
Implementation of method for operating multiple high frequency surface wave radars on a common carrier frequency
High frequency surface wave radar common frequency doppler processing ionosphere
2010/10/12
The increasing use of High Frequency Surface Wave Radar (HFSWR) for the surveillance of coastal regions is faced with the problem of limited channel availability in the electromagnetic spectrum. Thus,...
A review of high frequency surface wave radar for detection and tracking of ships
High Frequency Surface Wave Radar HFSWR Detection Tracking Ships Maritime Domain Awareness
2010/10/12
In today's resource-driven economy, maritime nations are claiming economic borders that extend beyond the continental shelf or the 200 nautical mile (nm) Exclusive Economic Zone (EEZ). However, claimi...
Modeling and simulation strategies in high frequency surface wave radars
Radar HF radar surface wave HF radar HFSWR propagation noise clutter RCS
2010/10/12
Surface Wave High Frequency Radars (SWHFR) are taken into account in the content of modeling and simulation challenges. Examples related to multi-mixed path surface wave propagation, radar cross secti...
Adaptive hysteresis band control for constant switching frequency in DTC induction machine drives
Constant switching frequency direct torque control induction machinedrive torque ripple
2010/10/12
It is fairly well known that direct torque control (DTC) exhibits fast dynamic torque response, a property that originates in the fact that torque and flux is directly controlled by instantaneous spac...
IPSO Based UPFC Robust Output Feedback Controllers for Damping of Low Frequency Oscillations
UPFC IPSO output feedback Controller
2010/2/2
On the basis of the linearized Phillips-Herffron model
of a single-machine power system, a novel method for designing
unified power flow controller (UPFC) based output feedback
controller is presen...
Diophantine Frequency Synthesizer Design for Timekeeping Systems
Diophantine Frequency Synthesizer Design Timekeeping Systems
2009/9/3
Diophantine Frequency Synthesis (DFS), a number-theoretic approach to the design of very high resolution frequency synthesizers, was introduced in 2006. Further work concerning the impact of controlli...
Digital Fractional Frequency Synthesizer Based on Counters
Frequency synthesizer phase locked loop counter
2009/7/28
This paper describes the architecture of a new pure digital frequency synthesizer based on pulse generators, counters and a register. The technique described here is much simpler than other methods. T...
Sigma-Delta Voltage to Frequency Converter With Phase Modulation Possibility
Sigma-Delta Voltage Frequency Converter Phase Modulation Possibility
2009/7/28
Voltage to frequency converter (VFC) is an oscillator whose frequency is linearly proportional to control voltage. There are two common VFC architectures: the current steering multivibrator and the ch...
Decentralised H\infty Load Frequency Controller Design Based on SSVs
H\infty Load Frequency Controller SSVs
2009/7/27
The decentralised load-frequency controller design problem concerned is translated into an equivalent problem of decentralised controller design for a multi-area multi-input multi-output (MIMO) contro...
Effects of Parasitic Elements on Oscillation Frequency of OTA-C Sinusoidal Oscillators
Parasitic Elements Oscillation Frequency OTA-C Sinusoidal Oscillators
2009/7/27
An oscillator circuit which incorporates Operational Transconductance Amplifiers is presented. The circuit is designed using three OTAs and two grounded capacitors. The frequency of oscillation is tun...