Random PWM Technique Based Two-State Markov Chain for Permanent Magnet Synchronous Motor Control
Applied SciencesOn the basis of the space voltage vector pulse width modulation (SVPWM) technique, the random pulse width modulation (RPWM) technique, which can reduce harmonics, is investigated based on the vector control system of permanent magnet synchronous motor ...
Zhiqiang Wang +4 more
doaj +1 more source
Realization of a Second Harmonic Antenna for Rural Communications [PDF]
ITB Journal of Engineering Science, 2006 In this research, an active antenna operated at the second harmonic frequency is investigated, and is implemented using microstrip antenna material.
Adit Kurniawan, Ahmad Hasyim, Yuyu Wahyu
doaj
Lightweight multiple output converter development [PDF]
A high frequency, multiple output power conditioner was developed and breadboarded using an eight-stage capacitor diode voltage multiplier to provide +1200 Vdc, and a three-stage for -350 Vdc.
Kisch, J. J., Martinelli, R. M.
core +1 more source
Varactor diodes for millimeter and submillimeter wavelengths [PDF]
Whisker-contacted GaAs Schottky barrier varactor diodes are the most common high-frequency multiplier element in use today. They are inherently simple devices that have very high frequency response and have been used to supply local oscillator power for ...
Crowe, Thomas W. +3 more
core +1 more source
A novel high-voltage power supply using LCCL resonant DC-DC converter
Next EnergyHigh-voltage power supplies are so important in today's world. A power supply's critical characteristics are efficiency and reliable performance in short-circuit conditions.
Alireza Eskandari +2 more
doaj +1 more source
A Design of Small Area, 0.95 mW, 612⁻1152 MHz Open Loop Injection-Locked Frequency Multiplier for IoT Sensor Applications. [PDF]
Sensors (Basel), 2018 Kim S +10 more
europepmc +1 more source
Financial Crisis, Capital Outflows and Policy Responses: Simple Analytics and Examples from East Asia [PDF]
Financial crises seem to have become the norm rather than the exception since 1992. In recognition of the frequency with which countries seem to be hit by financial crises, any typical undergraduate course in Money and Banking nowadays includes a section
Ramkishen Rajan
core
Optoelectronic Oscillator-Based Microwave Photonic 20× Frequency Multiplier with Low Phase Noise. [PDF]
Micromachines (Basel)Jia S, Zhang Q, Zhang T, Yu J.
europepmc +1 more source
Design of a Low-Power RFID Sensor System Based on RF Energy Harvesting and Anti-Collision Algorithm. [PDF]
Sensors (Basel)Mao X, Zhu X, Lei J.
europepmc +1 more source