Academic literature on the topic 'Electricaly tuned filters'

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Journal articles on the topic "Electricaly tuned filters"

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Pogarsky, S. A. "Electrically tuned filter." International Journal of Infrared and Millimeter Waves 18, no. 10 (1997): 1937–41. http://dx.doi.org/10.1007/bf02678354.

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Sun, Changli, and Jiangang Lu. "A Tunable NIR Filter with Sphere Phase Liquid Crystal." Crystals 9, no. 7 (2019): 349. http://dx.doi.org/10.3390/cryst9070349.

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A near-infrared (NIR) filter with sphere phase liquid crystal (SPLC) is proposed, which shows a low operating electric field and large temperature-gradient modulations. The central wavelength of the Bragg reflection can be thermally tuned from 1580 nm to 1324 nm with a temperature-gradient of 42.7 nm/K. Meanwhile, the central wavelength can be electrically tuned over 76 nm within a low operating electric field of 0.3 V/μm. Thus, the SPLC filter may achieve a wavelength variation of 256 nm by thermal modulation and 76 nm by electrical modulation. The SPLC filter shows great potential applicatio
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Brito-Brito, Z., I. Llamas-Garro, and L. Pradell. "Selectivity-tuned bandpass filter." Electronics Letters 45, no. 19 (2009): 984. http://dx.doi.org/10.1049/el.2009.0958.

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Murtadha Othman, Muhammad, W. Muhammad Faizol Bin W Mustapha, Amirul Asyraf Mohd Kamaruzaman, et al. "Harmonic Load Mitigation Using the Optimal Double Tuned Passive Filter Technique." Indonesian Journal of Electrical Engineering and Computer Science 6, no. 2 (2017): 338. http://dx.doi.org/10.11591/ijeecs.v6.i2.pp338-348.

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Harmonic is one of the power quality disturbances customarily imminent in an unbalanced electrical system. Harmonic represents as the multiple integral of fundamental frequency of voltage and current inflicting towards the shifting in system frequency causing to a disruptive operation of electrical devices. This paper investigates on the performance of passive filter intrinsically by utilizing the inductor and capacitor electrical components to mitigate harmonic problem emanating from an unbalanced electrical system. In particular, explication in this paper will focus on the optimal parameters
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Yaghmaee, Pouria, Onur Hamza Karabey, Bevan Bates, Christophe Fumeaux, and Rolf Jakoby. "Electrically Tuned Microwave Devices Using Liquid Crystal Technology." International Journal of Antennas and Propagation 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/824214.

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An overview of liquid crystal technology for microwave and millimeter-wave frequencies is presented. The potential of liquid crystals as reconfigurable materials arises from their ability for continuous tuning with low power consumption, transparency, and possible integration with printed and flexible circuit technologies. This paper describes physical theory and fundamental electrical properties arising from the anisotropy of liquid crystals and overviews selected realized liquid crystal devices, throughout four main categories: resonators and filters, phase shifters and delay lines, antennas
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Abdelghfar, Ahmed, Mohamed A. Mousa, Bassant M. Fouad, Ahmed H. Saad, Noha Anous, and Noha Gaber. "Electrostatically Tuned Optical Filters Based on Hybrid Plasmonic-Dielectric Thin Films for Hyperspectral Imaging." Micromachines 12, no. 7 (2021): 767. http://dx.doi.org/10.3390/mi12070767.

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Hyperspectral imaging has a wide range of uses, from medical diagnostics to crop monitoring; however, conventional hyperspectral imaging systems are relatively slow, bulky, and rather costly. In this paper, we present an inexpensive, compact tunable optical filter for hyperspectral applications. The filter is based on a Fabry-Pérot interferometer utilizing hybrid metallic-dielectric mirrors and actuated using a MEMS electrostatic actuator. The optical filter is designed using the transfer matrix method; then, the results were verified by an electromagnetic wave simulator. The actuator is based
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B R, Madhu, Dinesh MN, and Ravitheja BM. "Design of shunt hybrid active power filter (SHAPF) to reduce harmonics in AC side due to Non-linear loads." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 4 (2018): 1926. http://dx.doi.org/10.11591/ijpeds.v9.i4.pp1926-1936.

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<p>The quality of power is a major concern because of harmonics in the lines due to various sources. Passive filters have been used to eliminate the specific harmonics. In this paper shunt hybrid active power filter which consists of shunt active filter and shunt passive filter is designed to reduce harmonics in source side for non linear loads. The shunt passive filter includes a tuned RLC circuit that behaves like a band-pass filter for a particular harmonic content. The shunt active filter is a VSI that produces reverse harmonic current based on Clarke’s transformation. This paper pre
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Hsieh, Lung-Hwa, and Kai Chang. "Piezoelectric transducer tuned bandstop filter." Electronics Letters 38, no. 17 (2002): 970. http://dx.doi.org/10.1049/el:20020665.

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Wilson, D. M., and S. Quabili. "Compact, well-tuned bandpass filter." Electronics Letters 35, no. 5 (1999): 364. http://dx.doi.org/10.1049/el:19990259.

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Pwint Wai, May Phu, Amornchai Chaichana, Winai Jaikla, Surapong Siripongdee, and Peerawut Suwanjan. "One input voltage and three output voltage universal biquad filters with orthogonal tune of frequency and bandwidth." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 4 (2021): 2962. http://dx.doi.org/10.11591/ijece.v11i4.pp2962-2973.

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This research paper contributes the one input three output voltage mode universal biquad filters with linear and electronic control of the natural frequency (<em>w<sub>0</sub></em>), using two commercially available ICs, LT1228s as active device with two grounded capacitors, five resistors. The presented universal biquad filters can simultaneously provide three voltage-mode filtering functions, low-pass (LP), high-pass (HP) and band-pass (BP) without changing the circuit architecture. Furthermore, the first presented biquad filter provides low impedance at HP, BP voltag
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Dissertations / Theses on the topic "Electricaly tuned filters"

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Axman, Vladimír. "Obvody s moderními aktivními prvky." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2008. http://www.nusl.cz/ntk/nusl-233441.

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PhD. thesis is deals about sekond order ARC filters for cascade synthezis of Active filters. Here are presented new configurations of second order filters with current conveyors usable for higher frequencies and new second order filters with current conveyors usable for electrical tunable filters. In PhD. Thesis are presented schematics and equations for new sekond order filters. There are presented also practical realizations of these filters and basic measure results.
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Book chapters on the topic "Electricaly tuned filters"

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Arasavali, Nalineekumari, G. Sasibhushana Rao, and N. Ashok Kumar. "GA Tuned Kalman Filter for Precise Positioning." In Lecture Notes in Electrical Engineering. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3828-5_30.

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Mishra, Shalini, Devarshi Shukla, Vijaya Bhaduaria, and Santosh Kumar Gupta. "Tuned Universal Filter Design Using Single Differential Difference Current Conveyor for Sub-GHz Frequency Band." In Lecture Notes in Electrical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9775-3_41.

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Mishra, Alok Kumar, Prakash Kumar Ray, Akshaya Kumar Patra, Ranjan Kumar Mallick, and Soumya Ranjan Das. "Self-tuned PI Controller Based Hybrid Shunt Active Power Filter for Power Quality Enhancement." In Advances in Electrical Control and Signal Systems. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5262-5_22.

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Lee, Tae-Hak, Sang-Gyu Lee, Jean-Jacques Laurin, and Ke Wu. "Reconfigurable Filter Design." In Adaptive Filtering - Recent Advances and Practical Implementation [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.97446.

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This chapter discusses recent development of reconfigurable filters. The technical terminology reconfigurable means that a circuit is designed in a way to have various electrical characteristics comparing with one which has a static feature. For the filter design, the various electrical characteristics can be considered as the filter can tune its operating frequency, bandwidth, and/or have multiple operational modes, that is, bandstop or bandpass modes. Also, recently, the filters that can exhibit an improved impedance matching performance over its stopband have been reported. It provides more options for the filter designers to realize the reconfigurable filters having reflective and/or absorptive frequency response types to satisfy a prior given requirement. In this chapter, recently devised filter designs will be covered and essential frequency tuning elements to realize the reconfigurable characteristic will be introduced as well.
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Conference papers on the topic "Electricaly tuned filters"

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Seifossadat, S. GH, R. Kianinezhad, A. Ghasemi, and M. Monadi. "Quality improvement of shunt active power filter, using optimized tuned harmonic passive filters." In 2008 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM). IEEE, 2008. http://dx.doi.org/10.1109/speedham.2008.4581063.

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Hoevenaars, Anthony Tony, Mike McGraw, Colt Burley, and Elizabeth Bierhaus. "Improving Motor Performance and Runtime in ESP Applications with Novel Sinewave Filter." In SPE Gulf Coast Section Electric Submersible Pumps Symposium. SPE, 2021. http://dx.doi.org/10.2118/204493-ms.

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Abstract In recent years, the Oil and Gas Industry has greatly improved efforts in evaluating the electrical system involved in operating Electrical Submersible Pumps (ESP). The negative effects that poor power quality has on ESP motors equipped with variable speed drives is generally understood by the industry. However, with a strong focus on optimization and reliability, improvements of the power quality provided to our ESP systems has tremendous potential to enhance the ESP lifecycle. This paper will provide a detailed description of the current mitigation technique involving the convention
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Anand, Akash, and Xiaoguang Liu. "Capacitively tuned electrical coupling for reconfigurable coaxial cavity bandstop filters." In 2015 IEEE MTT-S International Microwave Symposium (IMS2015). IEEE, 2015. http://dx.doi.org/10.1109/mwsym.2015.7167148.

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Zamani, M. A., and M. Mohseni. "Damped-type double tuned filters design for HVDC systems." In 2007 9th International Conference on Electrical Power Quality and Utilisation. IEEE, 2007. http://dx.doi.org/10.1109/epqu.2007.4424205.

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Allaoui, Samia, Kheireddine Chafaa, Yahia Laamari, and Belkacem Athamena. "Induction motor state estimation using tuned Extended Kalman Filter." In 2015 4th International Conference on Electrical Engineering (ICEE). IEEE, 2015. http://dx.doi.org/10.1109/intee.2015.7416676.

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Nayfeh, Ali H., and Mohammad I. Younis. "Subharmonic Excitation for Electrically Actuated Microbeams." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-84144.

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We present analysis of the global dynamics of electrically actuated microbeams under subharmonic excitation. The microbeams are excited by a DC electrostatic force and an AC harmonic force with a frequency tuned near twice their fundamental natural frequencies. We show that the dynamic pull-in instability can occur in this case for an electric load much lower than that predicted with static analysis and the same order-of-magnitude as that predicted in the case of primary-resonance excitation. We show that, once the subharmonic resonance is activated, all frequency-response curves reach pull-in
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Churio-Barboza, Julio C., Jose M. Maza-Ortega, and M. Burgos-Payan. "Optimal design of passive tuned filters for time-varying non-linear loads." In 2011 International Conference on Power Engineering, Energy and Electrical Drives (POWERENG). IEEE, 2011. http://dx.doi.org/10.1109/powereng.2011.6036491.

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Abdul Kahar, Nor H. B., and Ahmed F. Zobaa. "Optimal single tuned damped filter for mitigating harmonics using MIDACO." In 2017 IEEE International Conference on Environment and Electrical Engineering (EEEIC) and 2017 IEEE Industrial and Commercial Power Systems Europe (I&CPS Europe). IEEE, 2017. http://dx.doi.org/10.1109/eeeic.2017.7977541.

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Macedo, J. R., J. W. Resende, and M. I. Samesima. "Shunt tuned filter on the LV side of distribution systems: performance evaluation." In 18th International Conference and Exhibition on Electricity Distribution (CIRED 2005). IEE, 2005. http://dx.doi.org/10.1049/cp:20051042.

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Ming-cai, Kang, and Zhou Jia-hua. "Compensates the double tuned filter element parameter change based on the controllable reactor." In 2008 China International Conference on Electricity Distribution (CICED 2008). IEEE, 2008. http://dx.doi.org/10.1109/ciced.2008.5211659.

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