Free Space Optics; Pulse Modulation; Ground-to-satellite Communications - Articles

Performance Comparison of PIN and APD based FSO Satellite Systems for various Pulse Modulation Schemes in Atmospheric Turbulence (Articles)

Pooja Gopal, V. K. Jain, Subrat Kar

Communications and Network Vol.5 No.3C, November 6, 2013

DOI: 10.4236/cn.2013.53B2038 6,778 Downloads 9,083 Views Citations
The Effects of Power Control on Free-Space Optical Communications during Snowfall and Rainfall (Articles)

Salem Salamah, Muhammad A. Alsubaie, Mubarak Alhajri, Mahmoud Alnaser, Ahmed Mohamed Abdalla

International Journal of Communications, Network and System Sciences Vol.11 No.10, October 30, 2018

DOI: 10.4236/ijcns.2018.1110013 1,018 Downloads 2,802 Views Citations
An Improved Hybrid Space Vector PWM Technique for IM Drives (Articles)

P. Muthukumar, P. Melba Mary, S. Jeevananthan

Circuits and Systems Vol.7 No.9, July 8, 2016

DOI: 10.4236/cs.2016.79184 2,529 Downloads 6,312 Views Citations
Research on Permanent Magnet Synchronous Motor Driver System of Horizontal Well Tractor (Articles)

Zhou He, Yongjun Chen, Shuhan Yu, Junwen Zhou, Yang Shen, Kuan Shi

Open Access Library Journal Vol.4 No.12, December 28, 2017

DOI: 10.4236/oalib.1104237 932 Downloads 3,791 Views Citations
DP-DQPSK Optical Access System Integrated with Fiber and Free-Space Downlink for High Spectral Efficiency Application (Articles)

Yufeng Shao, Fuping Chen, Luo Chen, Shilu Shen, Anrong Wang, Yingxiang Luo, Zefu Tan

Optics and Photonics Journal Vol.6 No.8B, August 25, 2016

DOI: 10.4236/opj.2016.68B018 1,686 Downloads 3,790 Views Citations
Performance of MIMO Systems Using Space Time Block Codes (STBC) (Articles)

Christopher M. Lau

Open Journal of Applied Sciences Vol.11 No.3, March 16, 2021

DOI: 10.4236/ojapps.2021.113020 1,454 Downloads 5,997 Views Citations
State Space Modeling and Implementation of a New Transformer Based Multilevel Inverter Topology with Reduced Switch Count (Articles)

R. Gandhi Raj, S. Palani, H. Habeebullah Sait

Circuits and Systems Vol.7 No.4, April 28, 2016

DOI: 10.4236/cs.2016.74038 2,774 Downloads 5,634 Views Citations
Direct Torque Control of Permanent Magnet Synchronous Motor Based on Sliding Mode Variable Structure (Articles)

Yufeng Luo, Gongquan Tan, Chang Su

Open Access Library Journal Vol.6 No.9, September 20, 2019

DOI: 10.4236/oalib.1105758 823 Downloads 3,003 Views Citations
The Possibility of Applying Spectral Redundancy in Coherent DWDM Systems for Increasing the Data Transmission Rate and Decreasing Nonlinear Effects and Double Rayleigh Scattering with Great Security of Data (Articles)

Alexander Nekuchaev, Sergey Shuteev

Open Journal of Applied Sciences Vol.6 No.2, February 22, 2016

DOI: 10.4236/ojapps.2016.62009 3,374 Downloads 4,637 Views Citations
Generation of Feedback-induced Chaos in a Semiconductor Ring Laser (Articles)

Xin Zhang, Guohui Yuan, Zhuoran Wang

Optics and Photonics Journal Vol.3 No.2B, July 19, 2013

DOI: 10.4236/opj.2013.32B039 3,455 Downloads 5,234 Views Citations
Novel Control Strategy for Multi-Level Active Power Filter without Phase-Locked-Loop (Articles)

Guojun Tan, Xuanqin Wu, Hao Li, Meng Liu

Energy and Power Engineering Vol.2 No.4, November 26, 2010

DOI: 10.4236/epe.2010.24038 5,479 Downloads 10,124 Views Citations
A High Efficiency Spread Spectrum Scheme Using Approximate Orthogonal Complex Sequences (Articles)

Xiaohong SHI

International Journal of Communications, Network and System Sciences Vol.3 No.1, January 20, 2010

DOI: 10.4236/ijcns.2010.31011 6,735 Downloads 11,031 Views Citations
In-Line Chromatic Dispersion Measurement for NRZ and RZ Signals Using a Novel RF Spectrum Phase Detection Technique (Articles)

Guozhou Jiang, Ying Mei

Optics and Photonics Journal Vol.3 No.4, August 8, 2013

DOI: 10.4236/opj.2013.34043 3,752 Downloads 5,540 Views Citations
Micro Controller Based Ac Power Controller (Articles)

S. A. HARI PRASAD, B. S. KARIYAPPA, R. NAGARAJ, S. K. THAKUR

Wireless Sensor Network Vol.1 No.2, July 10, 2009

DOI: 10.4236/wsn.2009.12012 15,419 Downloads 31,281 Views Citations
Improved Protein Transfer Efficiency and Signal Intensity in BlotMan Using Pulse Width Modulation (Articles)

Thuc Nhi Truongvo, Feixue Zheng, Stanley Chien, Hiroki Yokota

Journal of Biomedical Science and Engineering Vol.9 No.5, April 26, 2016

DOI: 10.4236/jbise.2016.95020 1,911 Downloads 3,081 Views Citations
Development of a Microcontroller Based DC Motor Speed Control System (Articles)

O. O. Adejumo, W. A. Azeez

World Journal of Engineering and Technology Vol.7 No.4, November 15, 2019

DOI: 10.4236/wjet.2019.74046 1,730 Downloads 8,986 Views Citations
Optimized Design and Analysis of Single-Phase and Three-Phase Inverters for Efficient Power Conversion: A Comparative Study (Articles)

Ashik Alam, Md. Abdul Monem, Kazi Khairul Islam

Journal of Computer and Communications Vol.11 No.8, August 18, 2023

DOI: 10.4236/jcc.2023.118006 698 Downloads 3,487 Views Citations
UWB Communication System Based on Bipolar PPM with Orthogonal Waveforms (Articles)

Amel Elabed, Fouzia Elbahhar, Yassin Elhillali, Atika Rivenq, Raja Elassali

Wireless Engineering and Technology Vol.3 No.3, July 31, 2012

DOI: 10.4236/wet.2012.33026 6,323 Downloads 10,557 Views Citations
Multi-TBaud Optical Coding Based on Superluminal Space-to-Time Mapping in Long Period Gratings (Articles)

Reza Ashrafi, Ming Li, José Azaña

Optics and Photonics Journal Vol.3 No.2B, July 19, 2013

DOI: 10.4236/opj.2013.32B031 3,733 Downloads 5,526 Views Citations
A New Control Approach of a Three-Phase Inverter Two Levels (Articles)

François Yonga, Colince Welba, Theodore Louossi, Noël Djongyang

Open Journal of Energy Efficiency Vol.11 No.3, September 7, 2022

DOI: 10.4236/ojee.2022.113005 688 Downloads 2,198 Views Citations

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