Results 41 to 50 of about 424,913 (303)

Harmonic analysis of harmonic functions in the plane [PDF]

Proceedings of the American Mathematical Society, 1976
A continuous function on the complex plane is harmonic if and only if the span of its compositions with entire functions is not dense in the space of continuous functions in the topology of uniform convergence on compact sets.
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Designing Passive Harmonic Filter of Electric Propulsion System on Tanker Ship [PDF]

, 2018
Harmonic is a frequency defect that have some negative effect to the electrical network system. In a ship, electrical network system are interconnected to each other to another electrical consumer device.
Zaman, Muhammad Badrus; Department of Marine Engineering, Faculty of Marine Technology, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Satrio, Faisal Muhammad, Semin, Semin; Department of Marine Engineering, Faculty of Marine Technology, Institut Teknologi Sepuluh Nopember, Surabaya 60111, Kusuma, Indra Ranu; Department of Marine Engineering, Faculty of Marine Technology, Institut Teknologi Sepuluh Nopember, Surabaya 60111   +3 more
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Harmonic conjugation in harmonic matroids

Discrete Mathematics, 2009
This paper was finished in 2008.
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Analysis of arbitrary tooth profiles of cylindrical gears using normal polar coordinates (Application to the generation of a gear tooth profile by a given tooth profile of rack cutter and its interference problem)

Journal of Advanced Mechanical Design, Systems, and Manufacturing
Various coordinate systems have been used in tooth profile analysis for cylindrical gears. An effective approach to tooth profile expression using normal polar coordinates is proposed.
Yuya MURAYAMA, Satoshi KISHI, Nobuhiko HENMI, Hiroshi YAMAZAKI   +3 more
doaj   +1 more source

On an atomic decomposition in Banach spaces [PDF]

Sahand Communications in Mathematical Analysis, 2018
An atomic decomposition is considered in Banach space.  A method for constructing an atomic decomposition of Banach  space, starting with atomic decomposition of  subspaces  is presented. Some relations between them are established.
Telman Gasymov, Chingiz Hashimov
doaj  

A High Power Quality Buck-H Auxiliary Power Converter in Railway Applications

Frontiers in Energy Research, 2022
DC voltage utilization and AC voltage harmonics are important evaluation indexes for Auxiliary Power Converter in Railway Applications. To improve the above two indicators, a novel switch-mode modulation method and quasi-PR control strategy for Buck-H ...
Zheng Lan, Zheng Lan, Fangreng Wu, Dong He, Xueping Yu, Jinhui Zeng, Fan Xiao   +6 more
doaj   +1 more source

Large signal 2nd harmonic on wafer MESFET characterization [PDF]

, 1990
An automatic test set which performs a real time harmonic load-pull characterization is proposed. An active load technique is used in order to set the load at the test frequency and its harmonics and a complete set of device parameters useful for power ...
Andrea Ferrero, FERRERO, ANDREA PIERENRICO, PISANI, Umberto, A. Ferrero, U. Pisani, Umberto Pisani   +4 more
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Analysis of trimming in internal gear cutting using normal polar coordinates

Journal of Advanced Mechanical Design, Systems, and Manufacturing
An effective approach to tooth-profile expression using normal polar coordinates has been proposed by Watanabe in 1949, but not applied to practical design.
Yuya MURAYAMA, Satoshi KISHI, Nobuhiko HENMI   +2 more
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Heartbeat Harmonics Detectability During Driving Simulation Using NHA and CW Doppler Radar

IEEE Access, 2023
Several studies have been published on noncontact heartbeat detection recently. Particularly, a few studies have found that radar for noncontact detection is effective for long-term monitoring.
Taichi Horimoto, Takuro Konishi, Shotarou Koyama, Hirohide Kawamura, Ryota Goto, Tsubasa Suzuki, Masaya Hasegawa, Shigeki Hirobayashi, Kazuo Yoshida   +8 more
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Multiple sets of solutions for harmonic elimination PWM bipolar waveforms: Analysis and experimental verification [PDF]

, 2006
Multiple sets of solutions for the selective harmonic elimination pulse-width modulation method for inverter control exist. These sets present an independent solution to the same problem but further investigation reveals that certain sets may offer an ...
Agelidis, VG, Balouktsis, A, Cossar, C, Cossar, C., Balouktsis, A., Balouktsis, I, Agelidis, V.G., Balouktsis, I.   +7 more
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