Academic literature on the topic 'BAND APSS FILTER'

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Journal articles on the topic "BAND APSS FILTER"

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Ehtesham, Mohammad, and Md Junaid. "Advanced compensation scheme for enhancing photovoltaic power quality." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 3 (2022): 1223. http://dx.doi.org/10.11591/ijeecs.v27.i3.pp1223-1230.

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With the photovoltaic (PV) system becoming highly popular in distribution network, there is also a growing concern regarding its adverse impacts over the power quality (PQ) of integrated system. This deterioration in PQ hassparked a new interest in the filtering techniques used in the power systemfor mitigating these problems. In contrast to conventional passive filters now active power filters (APFs) are being looked as the predominant solution.This paper presents a state-estimation based effective compensation strategy for enhancing performance of employed APF scheme. A novel control techniq
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Ehtesham, Mohammad, and Mohammad Junaid. "Advanced compensation scheme for enhancing photovoltaic power quality." Indonesian Journal of Electrical Engineering and Computer Science 27, no. 3 (2022): 1223–30. https://doi.org/10.11591/ijeecs.v27.i3.pp1223-1230.

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With the photovoltaic (PV) system becoming highly popular in distribution network, there is also a growing concern regarding its adverse impacts over the power quality (PQ) of integrated system. This deterioration in PQ has sparked a new interest in the filtering techniques used in the power system for mitigating these problems. In contrast to conventional passive filters now active power filters (APFs) are being looked as the predominant solution. This paper presents a state-estimation based effective compensation strategy for enhancing performance of employed APF scheme. A novel control tech
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Yang Guo, Shi Hong-Qiang, Li Xiao-Cong, Xiao Ru-Qi, Qi Shi-Shan, and Wu Wen. "Millimeter-Wave Frequency-Reconfigurable Filtering Antenna with High Frequency Turning Ratio." Acta Physica Sinica 74, no. 1 (2025): 0. http://dx.doi.org/10.7498/aps.74.20241494.

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To solve the small frequency ratio of the frequency-reconfigurable antenna operating at the millimeter-wave band, a millimeter-wave dual-band frequency-reconfigurable filtering antenna is proposed. The proposed filtering antenna consists of a reconfigurable bandpass filter and an ultra-wideband double-layer Vivaldi antenna. The reconfigurable bandpass filter comprises of several components, including parallel coupled lines, stepped impedance resonator (SIR), PIN diodes, U-shaped branches, and bias network. The reconfigurable filter is integrated in the feedline of the Vivaldi antenna, which pr
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Sun, Shu-Peng, Yong-Zhi Cheng, Hui Luo, Fu Chen, and Xiang-Cheng Li. "Compact broadband bandpass filter with wide stopband based on halberd-shaped spoof surface plasmon polariton." Acta Physica Sinica 72, no. 6 (2023): 064101. http://dx.doi.org/10.7498/aps.72.20222291.

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In this paper, a compact broadband bandpass filter with wide out-of-band rejection characteristics based on halberd-shaped spoof surface plasmon polariton (SSPP) is proposed. The filtering structure is achieved by etching a periodic halberd-shaped groove at the bottom of the substrate and a microstrip-to-slot line transition with a crescent-shaped patch at the top. Compared with the traditional dumbbell-shaped SSPP, the halberd-shaped SSPP has good slow-wave property, and the designed bandpass filter based on halberd-shaped SSPP can achieve a more compact size. The upper cutoff frequency and l
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Wang Wu-Song, Zhang Li-Wei, Ran Jia, and Zhang Ye-Wen. "Experimental studies of the surface plasmon polaritons waveguide filter in microwave band." Acta Physica Sinica 62, no. 18 (2013): 184203. http://dx.doi.org/10.7498/aps.62.184203.

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Teng Chen-Chen, Zhou Wen, Zhuang Yu-Yang, and Chen He-Ming. "Low loss and narrow-band THz filter based on magnetic photonic crystals." Acta Physica Sinica 65, no. 2 (2016): 024210. http://dx.doi.org/10.7498/aps.65.024210.

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Tian, Ying, Wu-Hao Cai, Zi-Xiang Yang, Feng Chen, Rui-Bo Jin, and Qiang Zhou. "Hong-Ou-Mandel interference of entangled photons generated under pump-tight-focusing condition." Acta Physica Sinica 71, no. 5 (2022): 054201. http://dx.doi.org/10.7498/aps.71.20211783.

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Hong-Ou-Mandel (HOM) interference is a non-classical effect of photons and plays an important role in quantum optics. The <i>β</i>-barium borate (BBO) has a high nonlinear efficiency, and is commonly used to generate biphoton states, thereby exhibiting HOM interference. However, in previous experiments, researchers often used band-pass filters, so the resulting spectrum was directly determined by the band-pass filter. As a result, the original spectrum of the BBO crystal, especially the spectrum under tight focusing, was lack of systematic research. In this paper, the biphoton spec
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Cui Guang-Bin, Miao Jun-Gang, and Zhang Yong-Fang. "Design of waveguide array frequency selective surface filter in sub-millimeter wave band." Acta Physica Sinica 61, no. 22 (2012): 224102. http://dx.doi.org/10.7498/aps.61.224102.

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Zhao, Shu-Yu, Bin-Bin Xu, Zhen-Yu Zhao, and Xue-Qin Lü. "Influence of top mirror on performance of GaN-based resonant cavity light-emitting diode." Acta Physica Sinica 71, no. 4 (2022): 047801. http://dx.doi.org/10.7498/aps.71.20211720.

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In this paper, two kinds of distributed Bragg reflectors (DBRs) with high-reflective-film structure and filter structure are designed and evaporated on the top of GaN-based resonant cavity light emitting diode (RCLED), respectively. Firstly, the reflectivity spectra of the two kinds of DBRs are simulated. Then, the differences in performance including optical longitudinal modes, spectral linewidth, and output light intensity between the two kinds of RCLED devices with different top mirrors, are compared and analyzed. Finally, the influence of the top mirror reflection characteristics on the ou
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Ning, Ren-Xia, Wang Huang, Fei Wang, Jian Sun, and Zheng Jiao. "Electromagnetic induction-like transparency in dual-band with dual-bright mode coupling." Acta Physica Sinica 71, no. 1 (2022): 014201. http://dx.doi.org/10.7498/aps.71.20211312.

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In this paper, a metamaterial structure with a double-layer split square ring and a double C-shaped structure is designed, which has dual-band electromagnetically induced transparency effects in the terahertz band. This structure has transmission peaks at 1.438 THz and 1.699 THz. Through the analysis of the surface current distribution, the reasons for the dual-band electromagnetically induced transparency are discussed. The effect of the designed metamaterial on the transmission window is studied when the opening size of the open square ring and the distance of the double C-shaped structure a
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Dissertations / Theses on the topic "BAND APSS FILTER"

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Degerli, Yavuz. "Étude, modélisation des bruits et conception des circuits de lecture dans les capteurs d'images à pixels actifs CMOS." École nationale supérieure de l'aéronautique et de l'espace (Toulouse ; 1972-2007), 2000. http://www.theses.fr/2000ESAE0009.

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Ce travail porte sur l'amélioration des performances en bruit et sur la conception de circuits de lecture de capteurs d'images à pixels actifs CMOS à destination des applications scientifiques. La première partie est consacrée à l'étude et à la modélisation du bruit temporel de la chaîne de lecture du capteur. Cette étude nous permet de définir des règles de conception réduisant le bruit de ces circuits. Des circuits de test ont été réalisés sur une technologie CMOS 0. 7µm, afin de valider les résultats obtenus. Le deuxième axe porte sur la conception de circuits analogiques de lecture et de t
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AWASTHI, SHRUTI. "DESIGN AND IMPLEMENTATION OF BANDPASS FILTER USING PARALLEL COUPLED RESONATOR." Thesis, 2016. http://dspace.dtu.ac.in:8080/jspui/handle/repository/14814.

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Band-pass filters play a vital role in wireless communication systems. Transmitted and received signals have to be filtered at a certain centre frequency with a specific bandwidth. Band-pass filters are used as frequency selective component in many RF and Microwave applications. There are several applications of a band-pass filter, for instance, at the receiver end it is used to eliminate the image frequency and to bandlimit the received signal. In the transmitter, they are used to reject the spurious signals generated by the local oscillator (LO). This project deals with the analysis, d
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Book chapters on the topic "BAND APSS FILTER"

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Chakravarty, Nidhi, and Mohit Dua. "Securing Automatic Speaker Verification Systems Using Residual Networks." In Advances in Information Security, Privacy, and Ethics. IGI Global, 2024. http://dx.doi.org/10.4018/979-8-3693-2223-9.ch005.

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Spoofing attacks are a major risk for automatic speaker verification systems, which are becoming more widespread. Adequate countermeasures are necessary since attacks like replay, synthetic, and deepfake attacks, are difficult to identify. Technologies that can identify audio-level attacks must be developed in order to address this issue. In this chapter, the authors have proposed combination of different spectrogram-based techniques with Residual Networks34 (ResNet34) for securing the automatic speaker verification (ASV) systems. The methodology uses Mel frequency scale-based Mel-spectrogram
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Doering A. and Witte H. "Extended Neural Networks for Signal Detection and Classification: An Approach for Simultaneous Optimization of Parameterized Preprocessing and Neural Networks." In Studies in Health Technology and Informatics. IOS Press, 1996. https://doi.org/10.3233/978-1-60750-878-6-977.

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In this contribution, a generic framework for the simultaneous adaptation of a neural classifier and a parameter–controlled preprocessing scheme is presented. Training algorithms are introduced for preprocessing methods with both differentiable and non–differentiable (with respect to the controlling parameters) transfer functions. As an example, an Extended Neural Network that consists of a bank of quadrature filters (preprocessing stage) and a Multi-Layer-Perceptron (classification stage) was used for the segmentation of discontinuous neonatal EEG. Since the spectral chara
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Conference papers on the topic "BAND APSS FILTER"

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Ghasemzadeh, Pejman, Michael Hempel, Hamid Sharif, and Tarek Omar. "Maximizing RF Communications Throughput for Railroad Applications at 160 MHz." In 2022 Joint Rail Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/jrc2022-79575.

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Abstract As the railroad industry in North America pursues the further expansion of their wireless communications capabilities in support of many different railroad applications, such as Positive Train Control and wireless wayside monitoring, it faces a critical challenge due to the rapidly worsening congestion and over-utilization of RF spectrum resources. Thus, the rail industry is exploring the use of underutilized non-traditional RF bands. One such example is the 160 MHz RF band. In this paper we present initial results from our comprehensive evaluation and RF solutions design effort for t
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Zamudio, M. E., Y. Tawk, C. G. Christodoulou, and J. Costantine. "Embedding a reconfigurable band-pass/band-stop filter into an antenna." In 2012 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting. IEEE, 2012. http://dx.doi.org/10.1109/aps.2012.6348463.

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Yohannan, J., V. Hamsakutty, A. V. P. Kumar, V. Thomas, G. Bindhu, and K. T. Mathew. "A Rectangular Dielectric Resonator Band Stop Filter." In 2006 IEEE Antennas and Propagation Society International Symposium. IEEE, 2006. http://dx.doi.org/10.1109/aps.2006.1711359.

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Wang, J. P., Y. X. Guo, B. Z. Wang, L. C. Ong, and S. Q. Xiao. "Dual-band microstrip stepped-impedance bandpass filter." In 2007 IEEE Antennas and Propagation Society International Symposium. IEEE, 2007. http://dx.doi.org/10.1109/aps.2007.4396199.

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Wang, H. Y., and H. Zhou. "A multi-band loop antenna with a band stop filter for wireless handheld devices." In 2017 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC). IEEE, 2017. http://dx.doi.org/10.1109/apwc.2017.8062261.

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Reid, J. R., and R. T. Webster. "A compact integrated coaxial V-band bandpass filter." In IEEE Antennas and Propagation Society Symposium, 2004. IEEE, 2004. http://dx.doi.org/10.1109/aps.2004.1329839.

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Zayniyev, D., and D. Budimir. "Dual-band microstrip antenna filter for wireless communications." In 2010 IEEE International Symposium Antennas and Propagation and CNC-USNC/URSI Radio Science Meeting. IEEE, 2010. http://dx.doi.org/10.1109/aps.2010.5561046.

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Sanphuang, Varittha, Niru K. Nahar, and John L. Volakis. "Novel FSS filters in Ka band." In 2012 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting. IEEE, 2012. http://dx.doi.org/10.1109/aps.2012.6348716.

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Sohail, Irfan, Yogesh Ranga, Karu P. Esselle, Ladislau Matekovits, and Stuart G. Hay. "Ultra-wide band frequency selective surface filter designed for Ku- and K- band applications." In 2013 IEEE International Symposium on Antennas and Propagation & USNC/URSI National Radio Science Meeting. IEEE, 2013. http://dx.doi.org/10.1109/aps.2013.6710899.

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Ghaed, Mohammad, Dennis Sylvester, and David Blaauw. "A dual-passband filter architecture for dual-band systems." In 2011 IEEE Antennas and Propagation Society International Symposium and USNC/URSI National Radio Science Meeting. IEEE, 2011. http://dx.doi.org/10.1109/aps.2011.6222776.

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