Academic literature on the topic 'Space Modulation'

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Journal articles on the topic "Space Modulation"

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Zhang, Jiliang, Kyeong Jin Kim, Andres Alayon Glazunov, Yang Wang, Liqin Ding, and Jie Zhang. "Generalized Polarization-Space Modulation." IEEE Transactions on Communications 68, no. 1 (2020): 258–73. http://dx.doi.org/10.1109/tcomm.2019.2947457.

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Hughes, B. L. "Differential space-time modulation." IEEE Transactions on Information Theory 46, no. 7 (2000): 2567–78. http://dx.doi.org/10.1109/18.887864.

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Basar, Ertugrul, and Ibrahim Altunbas. "Space-Time Channel Modulation." IEEE Transactions on Vehicular Technology 66, no. 8 (2017): 7609–14. http://dx.doi.org/10.1109/tvt.2017.2674689.

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Francisco Celli Grabovski, Edhuardo, Tiago Kommers Jappe, and Samir Ahmad Mussa. "FPGA-Based Space Vector Modulation of an Indirect Matrix Converter." Eletrônica de Potência 24, no. 1 (2018): 47–55. http://dx.doi.org/10.18618/rep.2019.1.0025.

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Tianyi Mao, Tianyi Mao, Qian Chen Qian Chen, Weiji He Weiji He, Yunhao Zou Yunhao Zou, Huidong Dai Huidong Dai, and and Guohua Gu and Guohua Gu. "Free-space optical communication using patterned modulation and bucket detection." Chinese Optics Letters 14, no. 11 (2016): 110607–11. http://dx.doi.org/10.3788/col201614.110607.

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A.Ramesh, A. Ramesh, M. Siva Kumar, and M. Uma Vani. "Integration of Hybrid Multilevel Inverter using Space Vector Modulation Technique." Indian Journal of Applied Research 3, no. 11 (2011): 196–201. http://dx.doi.org/10.15373/2249555x/nov2013/64.

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Chau Yuen, Yong Liang Guan, and Tjeng Thiang Tjhung. "Unitary Differential Space–Time Modulation With Joint Modulation." IEEE Transactions on Vehicular Technology 56, no. 6 (2007): 3937–44. http://dx.doi.org/10.1109/tvt.2007.904523.

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Yigit, Zehra, and Ertugrul Basar. "Space-Time Media-Based Modulation." IEEE Transactions on Signal Processing 67, no. 9 (2019): 2389–98. http://dx.doi.org/10.1109/tsp.2019.2905836.

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ZOU, Li. "Dual constellations space-time modulation." Science in China Series F 48, no. 4 (2005): 452. http://dx.doi.org/10.1360/03yf0189.

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Jiang, Tingmin, Lilin Dan, Shu Fang, Yue Xiao, and Chen Zheng. "Offset Space-Frequency Index Modulation." IEEE Access 8 (2020): 57096–104. http://dx.doi.org/10.1109/access.2020.2979536.

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Dissertations / Theses on the topic "Space Modulation"

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Rogers, L. Warren. "Synthetic space vector modulation." Monterey, California: Naval Postgraduate School, 2013. http://hdl.handle.net/10945/34731.

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Approved for public release; distribution is unlimited<br>Alternating current motors are used throughout the fleet because of their rugged construction and nearly maintenance free operation. Since the U.S. Navy is exploring and acting on the possibilities of DC distribution systems, the need exists for simple, reliable three-phase voltage source inverter (VSI) powered induction machines. Until recently, VSIs utilized a pulse width modulation (PWM) scheme controlling the frequency and amplitude of each phase. A novel and simple hardware centered VSI controller was designed, simulated, built and tested featuring a type of space vector modulation (SVM). Design criteria evaluated such as VSI frequency response, switching losses, dead-time and SVM switching sequences were considered. Specifically, modulo-6 and 12 synthetic SVM units were evaluated for future Department of Defense use.
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Silvester, Anna-Marie. "Space-time continuous phase modulation." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/14721.

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The combination of Space-Time (ST) coding and Continuous-Phase Modulation (CPM) produces a low power, energy efficient communication scheme suitable for wireless transmission. Space-time coding increases the reliability of transmission, and continuous-phase modulation (CPM) has the potential to provide considerable energy savings. CPM is a modulation technique that involves the transmission of a signal with continuous-phase and a constant envelope, where the continuous-phase property produces a very bandwidth efficient signal, and the constant-envelope property enables non linear (and thus energy efficient) signal amplification. The ST-CPM code is of special interest for wireless sensors because in the wireless sensor network environment energy consumption is highly constrained. The combination of ST codes and CPM is non-trivial and thus ST-CPM codes based upon block-based orthogonal and diagonal signal matrices are presented. These codes are forms the basis of a distributed ST-CPM code. The distributed ST codes are designed to operate in wireless networks containing a large set of nodes, of which only a small a priori unknown subset will be active at any time. The devised distributed ST-CPM scheme combines the ST-CPM code with a diagonal signaling matrix, (commonly assigned to all relay nodes) with signature vectors(uniquely assigned to nodes). The energy consumption of the proposed distributed ST-CPM scheme is compared with that of a distributed ST linear modulation (LM) scheme. The distributed ST-CPM scheme is shown to outperform the distributed ST-LM scheme for all but short-range transmission. Finally, a serially concatenated code for ST-CPM is proposed. The concatenated code consists of the diagonal signalling matrix as the inner code, and a class of double parity check (DPC) codes as the outer code. The resulting concatenated codes that are formed from the ST-CPM code and a DPC code are shown to provide performance close to capacity, and to provide performance superior to that provided by the more common combination of CPM, or ST-CPM schemes with convolutional codes.
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Maleki, Pirbazari Mehdi. "Space Modulation: Signal Design and Performance Evaluation." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1436529300.

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Maw, Rachel Leigh. "Space-time Coded Systems with Continuous Phase Modulation." Thesis, University of Canterbury. Electrical and Computer Engineering, 2007. http://hdl.handle.net/10092/1185.

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Space-time coded systems developed in the last ten years have been designed primarily using linear modulation. Non-linear continuous phase modulation has desirable constant envelope properties and considerable potential in space-time coded systems. The work in this thesis is focussed on developing and analysing an integrated space-time coded continuous phase modulated (STC-CPM) system. The coding of the space-time encoder and the modulation is incorporated into a single trellis encoder. This allows state combining, which leads to complexity reduction due to the reduced number of states. Design criteria for STC-CPM are summarized and the Euclidean distance is shown to be important for code design. The integrated STC-CPM system design enables systematic spacetime code searches that find optimal space-time codes, to be easily implemented. Optimal rate-1/2 and rate-2/3 space-time codes are found by maximizing the system's minimum squared Euclidean distance. These codes can provide high throughput and good coding gains over un-optimized full rank codes, such as delay diversity, in a quasi-static flat fading environment. Performance bounds are developed using a union bound argument and the pairwise error probability. Approximations of the bounds are evaluated. These truncated upper bounds predict the slopes of the simulated performance curves at low error rates.
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Khan, Hamid. "Optimised space vector modulation for variable speed drives." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2012. http://tel.archives-ouvertes.fr/tel-00999475.

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The dissertation documents research work carried out on Pulse Width Modulation (PWM) strategies for hard switched Voltage Source Inverters (VSI) for variable speed electric drives. This research is aimed at Hybrid Electric Vehicles (HEV). PWM is at the heart of all variable speed electric drives; they have a huge influence on the overall performance of the system and may also help eventually give us an extra degree of freedom in the possibility to rethink the inverter design including the re-dimensioning of the inverter components.HEVs tend to cost more than conventional internal combustion engine (ICE) vehicles as they have to incorporate two traction systems, which is the major discouraging factor for consumers and in turn for manufacturers. The two traction system increases the maintenance cost of the car as well. In addition the electric drives not only cost extra money but space too, which is already scarce with an ICE under the hood. An all-electric car is not yet a viable idea as the batteries have very low energy density compared with petrol or diesel and take considerable time to charge. One solution could be to use bigger battery packs but these add substantially to the price and weight of the vehicle and are not economically viable. To avoid raising the cost of such vehicles to unreasonably high amounts, autonomy has to be compromised. However hybrid vehicles are an important step forward in the transition toward all-electric cars while research on better batteries evolves. The objective of this research is to make electric drives suitable for HEVs i.e. lighter, more compact and more efficient -- requiring less maintenance and eventually at lower cost so that the advantages, such as low emissions and better fuel efficiency, would out-weigh a little extra cost for these cars. The electrical energy source in a vehicle is a battery, a DC Voltage source, and the traction motor is generally an AC motor owing to the various advantages it offers over a DC motor. Hence the need for a VSI, which is used to transform the DC voltage into AC voltage of desired amplitude and frequency. Pulse width modulation techniques are used to control VSI to ensure that the required/calculated voltage is fed to the machine, to produce the desired torque/speed. PWM techniques are essentially open loop systems where no feedback is used and the instantaneous values differ from the required voltage, however the same average values are obtained. Pulse width modulated techniques produce a low frequency signal (desired average value of the switched voltage) also called the fundamental component, along with unwanted high frequency harmonics linked to the carrier signal frequency or the PWM period. In modern cars we see more and more mechanical loads driven by electricity through digital processors. It is very important to eliminate the risk of electromagnetic interference between these systems to avoid failure or malfunction. Hence these unwanted harmonics have to be filtered so that they do not affect the electronic control unit or other susceptible components placed in the vicinity. Randomised modulation techniques (RPWM) are used to dither these harmonics at the switching frequency and its multiple. In this thesis a random modulator based on space vector modulation is presented which has additional advantages of SVM. Another EMI problem linked to PWM techniques is that they produce common mode voltages in the load. For electric machines, common mode voltage produces shaft voltage which in turn provokes dielectric stress on the motor bearings, its lubricant and hence the possibility of generating bearing currents in the machine that can be fatal for the machine. To reduce the common mode voltage a space vector modulation strategy is developed based on intelligent placement of zero vectors. (...)
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Celanovic, Nikola. "Space Vector Modulation and Control of Multilevel Converters." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/29164.

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This dissertation is the result of research and development of a power conditioning system for Superconductive Magnetic Energy Storage System. The dominant challenge of this research was to develop the power conditioning system that can match slowly varying dc voltage and dc current on the super conductive magnet side with the ac voltages and ac currents on the utility side. At the same time the power conditioning system was required to provide a bi-directional power flow to the superconductive magnet. The focus of this dissertation is a three-level diode clamped dc-ac converter which is a principle part of the power conditioning system. Accordingly, this dissertation deals with the space vector modulation of three-level converters and introduces a computationally very efficient three-level space vector modulation algorithm that is experimentally verified. Furthermore, the proposed space vector modulation algorithm is successfully generalized to allow equally efficient, real time implementation of space vector modulation to dc-ac converters with virtually any number of levels. The most important advantage of the proposed concept is in the fact that the number of instructions required to implement the algorithm is almost independent from the number of levels in a multilevel converter. More on the side of the control of multilevel converters, the particular attention in this dissertation is paid to the problem of charge balance in the split dc-link capacitors of three-level neutral-point-clamped converters. It is a known fact that although the charge balance in the neutral point can be maintained on a line cycle level, a significant third harmonic current flows into the neutral point for certain loading conditions, causing the neutral point voltage ripple. The logical consequence of that ripple is the deteriorated quality of the output voltage waveforms as well as the increased voltage stress on the switching devices. This was the motivation to more carefully explore the loading conditions that cause the unbalance, as well as to study the fundamental limitations of dc-link capacitor charge balancing algorithms. As a part of that work, a new model of the neutral point current in the rotating coordinate frame is developed as a tool in investigation of theoretical limitations and in providing some intuitive insight into the problem. Additionally, the low frequency ripple is quantified and guidelines are offered that can help size the dc-link capacitors. Because the study of the neutral point balance identified the loading conditions, that under some possible system constraints, cause an unavoidable neutral point voltage ripple, a feed forward type of control method is developed next. The proposed feed forward algorithm can effectively prevent the neutral point voltage ripple from creating distortions in the converter output voltage under all loading conditions and without causing additional disturbance in the neutral point voltage. The feed forward method is developed for a sine triangle as well as for the space vector type PWM algorithm. The simulation results that include the full dynamic model of the converter and load system validate the feed forward approach and prove that the feed forward algorithm can effectively compensate the effect of the neutral point voltage ripple. The simulation results are than experimentally verified.<br>Ph. D.
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Elfadil, Husam. "Bit-Mapping and Channel Coding for Space Modulation." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1510151497786921.

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Castiñeira, Moreira Jorge. "Signal space coding over rings." Thesis, Lancaster University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322886.

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Nguyen, Trung Thanh. "Binary-coded modulation and applications in free-space optics." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/33145.

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Binary-coded modulation techniques such as bit-interleaved coded modulation (BICM) and multilevel coding (MLC) are pragmatic methods to achieve both high power and bandwidth efficiencies in digital communications. These techniques enable the combination of powerful and popular off-the-shelf binary codes with bandwidth-efficient multilevel signaling without considerable performance loss compared to joint coding and modulation designs. Today, binary-coded modulation has become almost universal in digital communication systems. This thesis concerns several aspects of binary-coded modulation and its applications. For BICM, we study the use of approximate decoding metrics to reduce detection complexity. Specifically, we propose metric correction functions which can improve achievable rates. We further propose a metric scaling which can improve throughput performance of symbol-by-symbol (SBS) decoding, which is the basis of state-of-the-art error-control coding systems. To this end, we also discover an intriguing relationship between the generalized Gallager function and the performance of sum-product SBS decoding. For MLC, we develop the concept of reduced-layer coding that facilitates a trade-off between performance and structural complexity. We then propose a novel rateless MLC scheme which can seamlessly adapt to the instantaneous channel quality and achieve throughput gains compared to BICM in a number of transmission scenarios. Finally, we apply binary-coded modulation techniques to free-space optics (FSO). FSO is an interesting transmission technology which has recently emerged as a low-cost solution to a range of communication challenges. We consider advanced signaling schemes such as channel coding diversity with mismatched decoding metrics and multipulse pulse-position modulation (MPPM). Combined with binary codes, these schemes are practical means to improve rate and reliability in FSO systems.
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Himsoon, Thanongsak. "Differential modulation for broadband space-time/cooperative wireless communications." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3984.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2006.<br>Thesis research directed by: Electrical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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Books on the topic "Space Modulation"

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Mesleh, Raed, and Abdelhamid Alhassi. Space Modulation Techniques. John Wiley & Sons, Inc, 2018. http://dx.doi.org/10.1002/9781119375692.

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Georghiades, Costas N. Modulation and coding for throughput-efficient optical free-space links. National Aeronautics and Space Administration, 1993.

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Simon, Marvin K., Dennis Lee, Warren L. Martin, Haiping Tsou, and Tsun-Yee Yan. Bandwidth-Efficient Digital Modulation with Application to Deep Space Communications. John Wiley & Sons, Inc., 2003. http://dx.doi.org/10.1002/0471728500.

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Simon, Marvin K., Dennis Lee, Warren L. Martin, Haiping Tsou, and Tsun-Yee Yan. Bandwidth-Efficient Digital Modulation with Application to Deep Space Communications. John Wiley & Sons, Inc., 2003. http://dx.doi.org/10.1002/0471728500.

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Lin, Shu. Multi-stage decoding for multi-level block modulation codes: Technical report to NASA Goddard Space Flight Center. Dept. of Electrical Engineering, University of Hawaii at Manoa, 1991.

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Bényi, Árpád, and Kasso A. Okoudjou. Modulation Spaces. Springer New York, 2020. http://dx.doi.org/10.1007/978-1-0716-0332-1.

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Choy, Gary Ka-Chung. Comparative studies of space-time block codes and fading-resistant modulations in rayleigh fading channels. National Library of Canada, 2002.

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Mesleh, Raed, and Abdelhamid Alhassi. Space Modulation Techniques. Wiley, 2018.

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Mesleh, Raed, and Abdelhamid Alhassi. Space Modulation Techniques. Wiley & Sons, Incorporated, John, 2018.

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Carlson, Craig D. Computer simulation of digital signal modulation techniques in satellite communications. 1985.

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Book chapters on the topic "Space Modulation"

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Molina Llorente, Rubén. "Space Vector Modulation." In Practical Control of Electric Machines. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-34758-1_9.

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Wen, Miaowen, Xiang Cheng, and Liuqing Yang. "Space Domain Index Modulation." In Index Modulation for 5G Wireless Communications. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-51355-3_2.

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Patin, Nicolas, and Vincent Lanfranchi. "Space Vector Modulation Strategies." In Power Electronic Converters. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118621196.ch2.

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Hamkins, Jon, and Marvin K. Simon. "Modulation Classification." In Autonomous Software-Defined Radio Receivers for Deep Space Applications. John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470087800.ch9.

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Wen, Miaowen, Xiang Cheng, and Liuqing Yang. "Space-Time Domain Index Modulation." In Index Modulation for 5G Wireless Communications. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-51355-3_3.

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Faruque, Saleh. "Frequency Modulation (FM)." In Free Space Laser Communication with Ambient Light Compensation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57484-0_8.

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Faruque, Saleh. "Amplitude Modulation (AM)." In Free Space Laser Communication with Ambient Light Compensation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57484-0_7.

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Faruque, Saleh. "Introduction to Modulation." In Free Space Laser Communication with Ambient Light Compensation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-57484-0_6.

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Liu, Chengyang, Tao Hong, Xiaojin Ding, and Gengxin Zhang. "LoRa Differential Modulation for LEO Satellite IoT." In Space Information Network. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1967-0_7.

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Balona, L. A. "Rotational Modulation in Be Stars." In Astrophysics and Space Science Proceedings. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29630-7_45.

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Conference papers on the topic "Space Modulation"

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Jacob, Swaroop, T. Lakshmi Narasimhan, and A. Chockalingam. "Space-Time Index Modulation." In 2017 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, 2017. http://dx.doi.org/10.1109/wcnc.2017.7925922.

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Yigit, Zehra, and Ertugrul Basar. "Space-time quadrature spatial modulation." In 2017 IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom). IEEE, 2017. http://dx.doi.org/10.1109/blackseacom.2017.8277677.

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Hadani, R., S. Rakib, M. Tsatsanis, et al. "Orthogonal Time Frequency Space Modulation." In 2017 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, 2017. http://dx.doi.org/10.1109/wcnc.2017.7925924.

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cheng, ying, Hongwei yi, and Xinlong Liu. "Lunar-edge based on-orbit modulation transfer function (MTF) measurement." In Space Optics and Earth Imaging and Space Navigation, edited by Carl Nardell, Suijian Xue, and Huaidong Yang. SPIE, 2017. http://dx.doi.org/10.1117/12.2285836.

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"Session TH15: Space vector modulation II." In 2008 IEEE Power Electronics Specialists Conference. IEEE, 2008. http://dx.doi.org/10.1109/pesc.2008.4592666.

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"Session TU6: Space vector modulation I." In 2008 IEEE Power Electronics Specialists Conference. IEEE, 2008. http://dx.doi.org/10.1109/pesc.2008.4592120.

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Ruey-Yi Wei. "Noncoherent space-time block coded modulation." In 2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577). IEEE, 2004. http://dx.doi.org/10.1109/icc.2004.1312636.

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Luzzi, Laura, Ghaya Rekaya-Ben Othman, Jean-Claude Belfiore, and Emanuele Viterbo. "Golden space-time block coded modulation." In 2008 IEEE Information Theory Workshop (ITW). IEEE, 2008. http://dx.doi.org/10.1109/itw.2008.4578627.

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Wan Abdul Munim, Wan Noraishah, Mohd Firdaus Ismail, Ahmad Farid Abidin, and Harizan Che Mat Haris. "Multi-phase inverter Space Vector Modulation." In 2013 IEEE 7th International Power Engineering and Optimization Conference (PEOCO). IEEE, 2013. http://dx.doi.org/10.1109/peoco.2013.6564533.

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Kambalapally, Prashanth Reddy, and Donald S. Zinger. "CORDIC Implementation of Space Vector Modulation." In 2008 IEEE Industry Applications Society Annual Meeting (IAS). IEEE, 2008. http://dx.doi.org/10.1109/08ias.2008.179.

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Reports on the topic "Space Modulation"

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Shaftan, T. Experimental Characterization of a Space Charge Induced Modulation in High-Brightness Electron Beam. Office of Scientific and Technical Information (OSTI), 2004. http://dx.doi.org/10.2172/839590.

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Gruneisen, Mark T. Free-Space Quantum Key Distribution using Multilevel Encoding via Transverse Field Modulation: Preprint. Defense Technical Information Center, 2009. http://dx.doi.org/10.21236/ada508192.

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Bihua, Feng, Pen Zhiping, and Huang Zonghua. Method of Space-Time Sequence Transform Used To Measure Acousto-Optic Deflection and Modulation. Defense Technical Information Center, 1994. http://dx.doi.org/10.21236/ada289612.

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Ng, K. Y. One-turn map investigation on space-charge modulation of betatron tune by synchrotron oscillation. Office of Scientific and Technical Information (OSTI), 2005. http://dx.doi.org/10.2172/875516.

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Wang, G., M. Blaskiewicz, and V. N. Litvinenko. The influence of longitudinal space charge fields on the modulation process of coherent electron cooling. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1149435.

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Rabinovich, W. S., G. C. Gilbreath, Peter G. Goetz, et al. InGaAs Multiple Quantum Well Modulating Retro-Reflector for Free Space Optical Communications. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada461734.

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Drive modelling and performance estimation of IPM motor using SVPWM and Six-step Control Strategy. SAE International, 2021. http://dx.doi.org/10.4271/2021-01-0775.

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This paper presents a comprehensive evaluation of the performance of an interior permanent magnet (IPM) traction motor drive, and analyses the impact of different modulation techniques. The most widely used modulation methods in traction motor drives are Space vector modulation (SVPWM), over-modulation, and six-step modulation have been implemented. A two-dimensional electromagnetic finite element model of the motor is co-simulated with a dynamic model of a field-oriented control (FOC) circuit. For accurate tuning of the current controllers, extended complex vector synchronous frame current regulators are employed. The DC-link voltage utilization, harmonics in the output waveforms, torque ripple, iron losses, and AC copper losses are calculated and compared with sinusoidal excitation. Overall, it is concluded that the selection of modulation technique is related to the operating condition and motor speed, and a smooth transition between different modulation techniques is essential to achieve a better performance.
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