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Miguel Moranchel, Francisco Huerta, Inés Sanz, Emilio Bueno and Francisco J. Rodríguez
This work presents a comparison of three different modulation techniques applied to modular multilevel converters (MMCs). The three modulation strategies studied in this paper are the phase-shifted sinusoidal pulse width modulation (PS-SPWM), the space-v...
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Miguel Moranchel, Francisco Huerta, Inés Sanz, Emilio Bueno and Francisco J. Rodríguez
This work presents a comparison of three different modulation techniques applied to modular multilevel converters (MMCs). The three modulation strategies studied in this paper are the phase-shifted sinusoidal pulse width modulation (PS-SPWM), the space-v...
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Tomá? Huszaník,Ján Turán,Lubo? Ovseník
Pág. 367 - 375
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Florin Radu, Petru A. Cotfas, Marian Alexandru, Titus C. Balan, Vlad Popescu and Daniel T. Cotfas
In this paper, we present the implementation of a system that identifies the modulation of complex radio signals. This is realized using an artificial intelligence model developed, trained, and integrated with Microsoft Azure cloud. We consider that clou...
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Xinlei Qian, Xiaochao Wang, Xinghua Lu, Tianyu Zhang and Wei Fan
The group velocity dispersion (GVD) occurring in the front end of high-power lasers is one of the primary factors leading to the conversion of frequency modulation (FM) to amplitude modulation (AM). In this paper, we propose a modified, active, closed-lo...
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Jing Chen, Jutao Yang, Qingliang Li, Yubo Yan, Shuji Hao, Cheng Wang, Jian Wu, Bin Xu, Tong Xu, Haiqin Che and Linglei He
Ground-based high-frequency modulated waves can periodically heat the ionosphere and create ?virtual antennas?, which can radiate extremely low frequency (ELF, 0.3?3 kHz) or very low frequency (VLF, 3?30 kHz) waves for long-distance communication. Ionosp...
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Nabeel Ali Khan, Sadiq Ali and Kwonhue Choi
An efficient direction of arrival estimation method is proposed. The proposed algorithm accurately estimates the instantaneous frequency of signals received by multiple sensors (array of sensors/antennas). The estimated instantaneous frequency is then us...
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Steven Cooper
The operation of a wind turbine results in a series of pulses where there is a significant instantaneous increase in the amplitude of the pressure signal, dependent upon the wind speed at the turbine blades. The variations in the amplitude of the sound b...
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Krassimir Panajotov and Richard Schatz
VCSELs are widely employed in Fiber to the Home links, computer networks and optical interconnects because of their low power consumption, small footprint, high reliability, easy packaging, single longitudinal mode emission, high modulation speed, low co...
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Oleksandr Plakhtii,Volodymyr Nerubatskyi,Nadiia Karpenko,Olha Ananieva,Hryhorii Khoruzhevskyi,Vitaliy Kavun
Pág. 19 - 27
Multi-level autonomous voltage converters are increasingly used in industry, specifically: in wind and solar energy generation, high-voltage substations, in industrial and traction electric drives. In comparison with two-level inverters, multilevel inver...
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HwaPyeong Park, Mina Kim, HakSun Kim and JeeHoon Jung
A dual-output LLC resonant converter using pulse frequency modulation (PFM) and asymmetrical pulse width modulation (APWM) can achieve tight output voltage regulation, high power density, and high cost-effectiveness. However, an improper resonant tank de...
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P. Madasamy, R. K. Pongiannan, Sekar Ravichandran, Sanjeevikumar Padmanaban, Bharatiraja Chokkalingam, Eklas Hossain and Yusuff Adedayo
The pulse width modulation (PWM) is an important segment in power electronic inverters and multilevel inverters (MLIs) design. The space vector modulation (SVM) methods own distinct advantages over other PWM methods. However, MLI SVM has involved more ma...
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Nataraj Prabaharan, V. Arun, Padmanaban Sanjeevikumar, Lucian Mihet-Popa and Frede Blaabjerg
This paper presents different multi-carrier unipolar trapezoidal pulse width modulation strategies for a reduced switch asymmetrical multilevel inverter. The different strategies are phase disposition, alternative phase opposition and disposition, and ca...
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Rutian Wang, Xue Wang, Chuang Liu and Xiwen Gao
The duty cycle space vector (DCSV) modulation strategy is of universal significance, and the method can be utilized for different modulation approaches. In this paper, the vectors of input voltages and currents are equivalently represented by a complex t...
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Dominik Wimmer, Markus Hutterer, Matthias Hofer and Manfred Schrödl
The focus of this study lies on the investigation of the space vector modulation of a self-sensing three-phase radial active magnetic bearing. The determination of the rotor position information is performed by a current slope-based inductance measuremen...
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Yongyuan Li, Guang Sun and Hongwei Han
Aerocapture, the action of delivering a vehicle from a hyperbolic orbit to a planetary orbit by using the aerodynamic force, could potentially lower fuel consumption. By controlling the direction and size of the aerodynamic force, the vehicle can accurat...
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Khoirun Ni'amah,Muhammad Panji Kusuma Praja,Yuninda Dwianti Marimbun
Pág. 90 - 98
This reseach simulates and analyzes paramaters bit error rate (BER) of 16-QAM and 64-QAM modulation on Additive White Gaussian Noise and Rayleigh Fading channels. This research aims to determine 5G modulation with the level of data quality after the tran...
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Lukas Radomsky and Regine Mallwitz
Increased performance requirements in new power electronics areas of application, such as electric aircraft, make innovations on different design levels necessary. In order to quickly compare different topologies, analytical loss equations provide a fast...
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Pawel Szczepankowski, Jaroslaw Luszcz, Alexander Usoltsev, Natalia Strzelecka and Enrique Romero-Cadaval
In this paper, different Pulse Width Modulation (PWM) strategies for operating with a low-switching frequency, a topology that combines Conventional Matrix Converters (CMCs), and Coupled Reactors (CRs) are presented and discussed. The principles of the p...
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Sahar Ujan, Neda Navidi and Rene Jr Landry
The Quality of Service (QoS) and security of Satellite Communication (Satcom) are crucial as Satcom plays a significant role in a wide range of applications, such as direct broadcast satellite, earth observation, navigation, and government/military syste...
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