Relevant bibliographies by topics / 400Hz

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
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Academic literature on the topic '400Hz'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "400Hz"

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Cooper, Ronald C., and Evan C. Cooper. "400Hz High Speed Static Transfer Switch." SAE International Journal of Aerospace 1, no. 1 (2008): 946–65. http://dx.doi.org/10.4271/2008-01-2877.

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Wu, Di, Qi Jun Wu, and Rong Zhao Zhu. "A Compound Strategy to Optimize the Output Characteristics of Mid-Frequency Inverter." Applied Mechanics and Materials 380-384 (August 2013): 2999–3002. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.2999.

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To improve the stability and output voltage quality of inverter, an new repetitive control strategy for 400Hz Constant Voltage Constant Frequency (CVCF) inverter has been proposed . Based on active damping, this strategy damps the oscillations on the output LC filter of inverter under unload or light load. Using state-observer to weaken the impact of time delay in digital control, a 5.5 kW one-phase 400Hz inverter prototype by this strategy has been tested.The result shows that low THD (about 1.5%) with inductive loads and fast error convergence (2 fundamental periods) can be achieved by this
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Wang, Ze Ying, Dong Xing Wang, Yong Shuang Zhang, Yue Yue Wang, Jing Hua Yin, and Hong Zhao. "The Dynamic Characteristics of Al Gate CuPc Thin Film Transistor." Advanced Materials Research 981 (July 2014): 830–33. http://dx.doi.org/10.4028/www.scientific.net/amr.981.830.

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We have fabricated Au/CuPc/Al/CuPc/Au organic thin film transistor (OTFTs) using vacuum deposition with CuPc thin films of stable chemical property and semi conductive Al gate thin film electrode. The static and dynamic characteristics were tested at room temperature. The test results show that the switching speed of the OTFT is ton=2.68ms, toff= 1.32ms, amplification bandwidth is 400Hz, and the cutoff frequency fc=400Hz when inputting 100Hz small square wave signal. Our OTFT has submicron conductive channel, shows operation characteristics of high frequency, high speed and high current densit
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Maulana, Irmawan, and Nuryono Satya Widodo. "Sistem Pengolah Musik Sebagai Kontrol Gerak Robot Humanoid." Buletin Ilmiah Sarjana Teknik Elektro 1, no. 2 (2019): 46. http://dx.doi.org/10.12928/biste.v1i2.915.

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Pada Kontes Robot Seni Tari Indonesia (KRSTI), mengharuskan peserta untuk dapat membuat robot yang dapat menari secara otomatis dengan diiringi alunan musik. Tujuan penelitian ini adalah membuat robot humanoid yang dapat menari ketika musik pengiring diputar dan berhenti ketika musik berhenti. Penelitian ini menggunakan IC MSGEQ7 sebagai pengolah musik karena IC ini dapat membaca nilai frekuensi musik secara detail sebanyak tujuh frekuensi yaitu frekuensi 63Hz; 16Hz; 400Hz, 1kHz; 2,5kHz; 6,25kHz; dan 16kHz. Ketujuh frekuensi tersebut dijadikan acuan sebagai isyarat robot untuk bergerak atau be
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Pei, Su Ping, and Bi Rui Wu. "The Research and Implementation of the Mid-Frequency Power." Applied Mechanics and Materials 492 (January 2014): 439–42. http://dx.doi.org/10.4028/www.scientific.net/amm.492.439.

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This paper discusses the research and implementation of the mid-frequency power (MFP). The paper analyzes the present research situation and the existence question of 400Hz mid-frequency power supply. Then the research of full digital control realization process of mid-frequency power supply with high power factor and multiple closed-loop feedback (MCLF) is given. The principle and characteristic of the closed-loop control system are provided. Finally the experimental prototype taking DSP of TMS320F2812 type as control device is developed. The experimental results verify the rationality .
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Wang, Gui Xin, Shuai Zheng, Wen Juan You, Zhe Heng Zhou, and Yang Li. "The Simulation Research of 5KVA/400Hz Medium Frequency Power Supply in Matlab/Simulink." Applied Mechanics and Materials 668-669 (October 2014): 567–70. http://dx.doi.org/10.4028/www.scientific.net/amm.668-669.567.

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This paper built 5 KVA / 400 Hz medium frequency power supply AC - DC - AC main circuit, Output filter is designed in detail. Based on SPWM control strategy and the voltage RMS feedback loop and PI adjustment, the Matlab/Simulink simulation model is established, and Harmonics are analyzed, the conclusion is obtained.
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Meng, Ai Hua, Ming Fan Li, Jian Jun Zhou, and Yu Liang Pan. "Design and Analysis of Big-Character Printer." Advanced Materials Research 97-101 (March 2010): 2491–95. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.2491.

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The Big-character printer is a dot-matrix print equipment used in industry field. The print head is the key part of it. Sixteen jet valves are arranged in three lines alternated regular framework. Every valve is driven by giant magnetostractive actuator (GMA). The dynamic characters of valve body and GMA have been studied in the paper. The square wave response experiment shows that the valve bandwidth is more than 400Hz. The response plot has a good agreement with the simulation result. Meanwhile, the print dots are clear. Therefore, the BCP based on GMA could fulfill the requirement.
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Lv, Yang, Jun Hong Zhang, and Jing Hong Zhao. "A Single-Phase / Three-Phase Transformer Designed for Voltage Detection Unit of 400Hz Converter Excitation Regulator." Advanced Materials Research 1006-1007 (August 2014): 967–71. http://dx.doi.org/10.4028/www.scientific.net/amr.1006-1007.967.

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Design a single-phase / three-phase transformer designed for voltage detection unit of 400Hz frequency ship converter excitation regulator. Transformer has asimilar structure to AC motor, but the rotor is fixed, a single-phase AC power pass into the rotor and three-phase alternating current generated in the stator side. The transformer is used to the detection circuit of voltage regulator , so that the filter capacitor can be reduced, thereby reducing the latency of signal feedback and improve the response speed of the excitation regulator. The experimental results show that, the transformer h
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Joung, Seok-Eon, and Dong-Seok Hyun. "An Improved Synchronization Control Scheme of a Low Cost 400Hz Power Supply for No-Break Power Transfer." Transactions of the Korean Institute of Power Electronics 19, no. 5 (2014): 470–74. http://dx.doi.org/10.6113/tkpe.2014.19.5.470.

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Li, Miao, and Hui Bin Gao. "Research on Servo Controller for High Speed Tracking System." Applied Mechanics and Materials 65 (June 2011): 88–91. http://dx.doi.org/10.4028/www.scientific.net/amm.65.88.

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To meet requirement of swiftness and minimization for the tracking system as well as realize horizontal high accuracy tracking measurement, the automatic servo tracking measurement system has been designed. The two closed loop control, bisection method and compound control have been applied into the system. Experimental results show that the maximum tracking error can be limited to less than 0.5°and the regulator time can be 0.04s. The control project resonance frequency should be more than 200Hz and the sample frequency should be more than 400Hz to meet the control accuracy requirement. And t
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Dissertations / Theses on the topic "400Hz"

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Lind, Jimmy. "Förslag till en variabel AC-last." Thesis, Mittuniversitetet, Avdelningen för elektronikkonstruktion, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-31861.

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Dagens flygfarkoster innehåller avancerad elektronik som ställer högre krav på elförsörjningen när de står parkerad på mark. För att kunna testa elförsörjningen(GPU) behövs AC-laster som är mer varierbara än en enkel resistiv last. I denna rapport undersöks möjligheten att köpa eller konstruera sådana AC-laster. En marknadsundersökning genomfördes för att undersöka om det finns lösningar på marknaden idag. Det visade sig att det finns flera företag som erbjuder olika lösningar för detta, men att specifikationerna för dem är svåra att tolka och dessa lösningar är också väldigt dyra. En egen kon
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Wikman, Alexander. "Begränsning av felströmmar och skydd mot avbrott i neutralledaren för flygfarkoster på marknivå." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-151450.

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En stor del av dagens flygfarkoster får sin strömförsörjning på marknivå via ett fyrledarsystem med en separat skyddsjordsanslutning. De komplexa laster som flygfarkosterna utvecklar kan ge upphov till felströmmar i skyddsjordledaren vid normaldrift. I den här rapporten arbetas ett system fram för att begränsa och undvika felströmmarna med hjälp av införandet av ett motstånd mellan neutralpunkt och skyddsjordledare i kraftförsörjningsenheterna. En av de största riskerna med kraftförsörjningen av flygfarkosterna är avbrott i neutralledaren. Då känslig utrustning i flygfarkosterna riskeras att f
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Danko, Donald. "Configurable Frequency and Voltage Three Phase Power Supply." Wright State University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=wright1559166225004371.

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Baxter, Richard J. "The clinical utility of the middle latency and 40Hz auditory evoked potentials in audiological electrodiagnosis." Thesis, Aston University, 1990. http://publications.aston.ac.uk/14617/.

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The two elcctrophysiological tests currently favoured in the clinical measurement of hearing threshold arc the brainstorm evoked potential (BAEP) and the slow vertex response (SVR). However, both tests possess disadvantages. The BAEP is the test of choice in younger patients as it is stable at all levels of arousal, but little information has been obtained to date at a range of frequencies. The SVR is frequency specific but is unreliable in certain adult subjects and is unstable during sleep or in young children. These deficiencies have prompted research into a third group of potentials, the m
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Wu, Jhe-An, and 吳哲安. "Implementation of Bi-Directional 60Hz-400Hz Medium Frequency Power Converter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/87ntdy.

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碩士<br>國立高雄應用科技大學<br>電機工程系博碩士班<br>103<br>The frequency of most AC power systems is 50Hz or 60Hz. However, 400Hz power systems are widely used in the aircraft, communications and vessels. If conventional converter input frequency and output frequency are not the same. You must use the AC-DC and DC-AC two-stage power converter to achieve frequency conversion function. If you can use a single-stage power converter and provide two different frequency AC power at the same time, it will improve the flexibility of application for power converter. This thesis develops a bi-directional 60Hz-400Hz medium
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Lee, Jun Yi, and 李俊毅. "Design of 40GHz Beam-Steerable Phased Array Antenna." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/3r2h42.

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Hsieh, JuiChe, and 謝睿哲. "Fabrication 400GHz TE41 Mode Converter Using LIGA And DRIE Process." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/09995757737618891944.

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Chen, Shao, and 陳劭. "Precise 16 phases 400MHz clock generator for 5G beam steering." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/7es959.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>107<br>This thesis mainly focuses on the early research of beam steering technique for antenna array system. According to the system specification, we have to generate 16 signals with equal phase differences at 400 MHz. In order to provide highly accurate 16-phase control signals for the antenna array, we propose use a Phase Locked Loop (PLL) up-convert the 100 MHz reference clock to 1.6 GHz, then using a Injection Locked Frequency Divider (ILFD) to down-convert the output signals of the Quadrature- Voltage Controlled Oscillator (Q-VCO) to 400 MHz to generate 16 cloc
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Tsai, Fu-Yu, and 蔡馥宇. "Study of 40GHz Active Harmonic Mode-locked Erbium-doped Fiber Lasers." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/28848700230302376106.

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碩士<br>國立交通大學<br>光電工程系所<br>92<br>The demand for the ultrahigh-speed and ultralarge-capacity optical fiber transmission systems is becoming larger and larger in recent years. Therefore, a stable optical short pulse source with high repletion rate, high SMSR, and high output power pulse train plays as an important role. As mentioned above, they can be achieved by active harmonic mode-locked erbium-doped fiber lasers. In this study, a 40GHz active harmonic mode-locked erbium-doped fiber laser is demonstrated. The fiber cavity consists of all polarization maintain fiber. The pulsewidth 7.81ps an
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Lee, Hsun, and 李勳. "Study of Efficiency Enhancement of 400GHz TE41 Forth-Harmonic Gyro-Backward Wave Oscillator." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/27426693993595016443.

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Books on the topic "400Hz"

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Crawford, Tony, and Jill Crawford. Graffiti Wannabes II - Life begins at 40mhz and how to be a re-engineer. Anthony Crawford and Associates, 1997.

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Gerhard, Litscher, ed. Monitoring of stimulus-induced 40Hz brain oscillations: Methodology and application in anaesthesia and intensive care medicine. Pabst Science, 1998.

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Book chapters on the topic "400Hz"

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Başar-Eroglu, Canan, and Erol Başar. "The Compound P300–40Hz Response of the Cat Hippocampus." In Springer Series in Synergetics. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-59893-7_18.

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Zhentao, Li, Chen Shuming, Li Zhaoliang, and Lei Conghua. "The Algorithm and Circuit Design of a 400MHz 16-Bit Hybrid Multiplier." In Advances in Computer Systems Architecture. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11859802_36.

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Ribary, U., M. Joliot, S. L. Miller, et al. "Cognitive Temporal Binding and its Relation to 40Hz Activity in Humans: Alteration During Dyslexia." In Biomag 96. Springer New York, 2000. http://dx.doi.org/10.1007/978-1-4612-1260-7_237.

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van Engelen, Jurgen. "A 13-bit bandpass sigma delta modulator for 10.7MHz digital IF with a 40MHz sampling rate." In Analog Circuit Design. Springer US, 2000. http://dx.doi.org/10.1007/978-1-4757-3198-9_6.

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Takahashi, H., N. Homma, S. Kawamoto, H. Kondo, K. Suzuki, and T. Morishita. "In-situ Preparation of Superconducting Y-Ba-Cu-O Films by Sequential Deposition Using 40MHz Magnetron Sputtering." In Advances in Superconductivity II. Springer Japan, 1990. http://dx.doi.org/10.1007/978-4-431-68117-5_169.

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Kumar, Abhishek. "40-GHz Inductor Less VCO." In AI Techniques for Reliability Prediction for Electronic Components. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1464-1.ch016.

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In a modern communication system, voltage-controlled oscillator (VCO) acts as a basic building block for frequency generation. VCO with LC tank is preferred with passive inductor and varactor in radio frequency. Practical tuning range of VCO is low and unsuitable for wideband application. Switched capacitor and inductor can widen but at cost of chip area and complex system architecture. To overcome it, an equivalent circuit of the inductor is created. In this work, inductor-less VCO is implemented with CMOS 90nm technology that has center frequency 40GHz and frequency tuning range 37.7GHz to 41.9GHz.
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NithyaDorairajan, Chitra M. Perumal, Padmavathi PT, Ranjanadevi R, and BhagavathShruthi VJ. "Design of Compact High Gain Multilayer Stacked Patch Antenna." In Intelligent Systems and Computer Technology. IOS Press, 2020. http://dx.doi.org/10.3233/apc200185.

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In this paper a compact multilayer stacked patch antenna with high gain is proposed. The structure is composed of stacked patches with U slots and shorting pins. The proposed antenna is capable for resonating at the center frequency of 2.25 GHz. The performance of the antenna is characterized by the simulated result of bandwidth, gain and reflection coefficient. The antenna has reflection coefficient of less than -10 dB with a maximum gain of 7.07 dBi. The proposed antenna has bandwidth of nearly 400MHz and has less size with an overall height of 10.3 mm. The designed frequency range occupies S band which is used for various applications like weather radar, surface ship radar, Bluetooth and ZigBee.
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Conference papers on the topic "400Hz"

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Liu, Haichun, Hong Cao, Yaning Zhao, and Shaojun Xie. "Research on Digital Control of 400Hz Inverter." In IECON 2020 - 46th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2020. http://dx.doi.org/10.1109/iecon43393.2020.9254543.

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Ahmad, Bilal, Jorma Kyyra, and Juha Makela. "Power Supply Design Considerations For 400Hz Aircraft Applications." In 2020 22nd European Conference on Power Electronics and Applications (EPE'20 ECCE Europe). IEEE, 2020. http://dx.doi.org/10.23919/epe20ecceeurope43536.2020.9215784.

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Liu, Yalong, Guanyue Zhang, and Kuangcheng Li. "36V/400Hz Three-phase Soft-switching Power Supply Design." In 2018 7th International Conference on Energy, Environment and Sustainable Development (ICEESD 2018). Atlantis Press, 2018. http://dx.doi.org/10.2991/iceesd-18.2018.338.

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Liu, Haichun, Tao Fei, Pengzhao Wen, and Shaojun Xie. "Voltage Quality Improvement Method for 400Hz LCL-type Inverter." In ISEEIE 2021: 2021 International Symposium on Electrical, Electronics and Information Engineering. ACM, 2021. http://dx.doi.org/10.1145/3459104.3459159.

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Xuejun Su and Junshan Liu. "Design of 400HZ mid-frequency static switch power employing PWM." In 2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC). IEEE, 2011. http://dx.doi.org/10.1109/aimsec.2011.6010030.

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Tang, Chun, Qingsong Gao, Lixin Tong, et al. "Diode pumped 560mJ 400Hz 10ns all-solid-state green MOPA system." In PICALO 2006: 2nd Pacific International Conference on Laser Materials Processing, Micro, Nano and Ultrafast Fabrication. Laser Institute of America, 2006. http://dx.doi.org/10.2351/1.5056923.

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Liu, Chun-xi, Wei-ming Ma, Chi Sun, and Wen-hua Hu. "Research on Harmonics Suppression in High Power Middle Frequency 400Hz Inverter." In 2009 Asia-Pacific Power and Energy Engineering Conference. IEEE, 2009. http://dx.doi.org/10.1109/appeec.2009.4918690.

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Intwari, Iragaba, and Wei-Jen Lee. "3D modeling of AC electric arc on 60 Hz and 400Hz." In 2017 IEEE IAS Electrical Safety Workshop (ESW). IEEE, 2017. http://dx.doi.org/10.1109/esw.2017.7914865.

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Wu, Yu, Xiaoyong Ren, Kunqi Li, Zhiliang Zhang, and Qianhong Chen. "An Accurate Variable On-time Control for 400Hz CRM Boost PFC Converters*." In 2019 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2019. http://dx.doi.org/10.1109/apec.2019.8722304.

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Zhong Chen and Miao Chen. "A novel 400Hz shunt active power filter for aircraft electrical power system." In 2012 7th International Power Electronics and Motion Control Conference (IPEMC 2012). IEEE, 2012. http://dx.doi.org/10.1109/ipemc.2012.6259316.

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Reports on the topic "400Hz"

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Herwig, Christian. Particle Flow at 40MHz with the CMS L1 Trigger. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1606218.

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