Results 21 to 30 of about 74,222 (311)
IEEE Access, 2020 Re-pulsing glow discharges in atmospheric-pressure air were experimentally investigated using a push-pull generator with pulse-width modulation. Discharges were ignited as a spark-glow discharge sequence and sustained in a glow regime after ignition in a
Vladislav Gamaleev +2 more
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Convolutional coded dual header pulse interval modulation for line of sight photonic wireless links. [PDF]
, 2009 The analysis and simulation for convolutional coded dual header pulse interval modulation (CC-DH-PIM) scheme using a rate ½ convolutional code with the constraint length of 3 is presented.
Ghassemlooy, Zabih, Rajbhandari, Sujan
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Intensity Distribution of the Shaped Femtosecond Laser Pulse by Step Phase Modulation
Nantong Daxue xuebao. Ziran kexue ban, 2020 The intensity distribution of the step phase shaped femtosecond laser pulse by ultra-fast pulse shaping technique is studied. The results show that two sub-pulses with variable intensity can be developed from a Gaussian laser pulse by adjusting the step ...
HUANG Yunxia;JI Xianming;XU Shuwu
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Hybrid Space Vector PWM Strategy for Three-Phase VIENNA Rectifiers
Sensors, 2022 Vienna rectifiers are widely used, but they have problems of zero-crossing current distortion and midpoint potential imbalance. In this paper, an improved hybrid modulation strategy is proposed.
Yaodong Wang +3 more
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An efficient wavelength converter exploiting a grating based saw-tooth pulse shaper [PDF]
, 2008 We experimentally demonstrate the generation of picosecond triangular optical pulses using a superstructured fiber Bragg grating and show experimentally that use of this pulse shape can provide a three-fold improvement in conversion efficiency relative ...
M. Ibsen +11 more
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Shaft Voltage Reduction Method Using Carrier Wave Phase Shift in IPMSM
Energies, 2021 Common-Mode Voltage (CMV) induces shaft voltage and bearing current due to the electrical interaction with the parasitic capacitance of the motor. CMV, shaft voltage, and bearing current are considered the major causes of bearing fault.
Jun-Hyuk Im +3 more
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FPGA Implementation of a General Space Vector Approach on a 6-Leg Voltage Source Inverter [PDF]
, 2011 A general algorithm of a Space Vector approach is implemented on a 6-leg VSI controlling a PM synchronous machine with three independent phases. In this last case, the necessity of controlling the zero-sequence current motivates the choice of a special ...
COLAS, Frédéric +13 more
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A Chaotic Pulse-Time Modulation Method for Digital Communication
Abstract and Applied Analysis, 2012 We present and investigate a method of chaotic pulse-time modulation (PTM) named chaotic pulse-width-position modulation (CPWPM) which is the combination of pulse-position-modulation (PPM) and pulse-width modulation (PWM) with the inclusion of chaos ...
Nguyen Xuan Quyen +2 more
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Comparison of single- and double-sided pulse width modulated signals with non-linear predistortion
, 2012 Class D amplifiers are based on a low-bit pulse width modulated (PWM) signal reconstructed through the lowpass characteristic of the loudspeaker. To create a PWM signal, a non-linear conversion from a standard pulse code modulated (PCM) signal has to be ...
Weiss, Stephan +7 more
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Modulation in Voltage Source Inverters: An Algebraic Approach
IEEE AccessPulse width modulation in voltage source inverters with an arbitrary number of phases is analyzed in this paper. The problem is treated as purely algebraic, without any use of space vectors.
Spasoje Miric +2 more
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