Academic literature on the topic 'High-frequency rejection'

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Journal articles on the topic "High-frequency rejection"

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Wang, Sen, and Chun‐Tuan Chang. "K‐band CMOS frequency doubler with high fundamental rejection." Electronics Letters 50, no. 17 (2014): 1211–12. http://dx.doi.org/10.1049/el.2014.0480.

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Seung-Hi Lee, Chung Choo Chung, and Choong Woo Lee. "Active high-frequency vibration rejection in hard disk drives." IEEE/ASME Transactions on Mechatronics 11, no. 3 (2006): 339–45. http://dx.doi.org/10.1109/tmech.2006.875556.

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Xie, Wei. "High frequency measurement noise rejection based on disturbance observer." Journal of the Franklin Institute 347, no. 10 (2010): 1825–36. http://dx.doi.org/10.1016/j.jfranklin.2010.10.002.

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Lee, Seung Hi, Chung Choo Chung, and Choong Woo Lee. "MC-10 HIGH FREQUENCY VIBRATION REJECTION IN HARD DISK DRIVES." Proceedings of JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment : IIP/ISPS joint MIPE 2003 (2003): 24–25. http://dx.doi.org/10.1299/jsmemipe.2003.24.

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Zheng, Zhou, Meng Yuan Li, and Wei Jiang Wang. "A High Efficient Baseband GNSS Signal Narrow Band Anti-Jamming Approach in Frequency Domain." Advanced Materials Research 926-930 (May 2014): 1857–60. http://dx.doi.org/10.4028/www.scientific.net/amr.926-930.1857.

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In order to reduce the burden of the calculation and the low frequency resolution of the tradition GNSS signal intermediate narrow band anti-jamming method, it introduces a high efficient approach of narrow band interference rejection based on baseband GNSS signal processing. After digital down conversion to baseband and down sampling to a low rate, the interference is removed in frequency domain. According to the theoretical analysis and simulation, it claims that the method can reduce the calculation and increase the detection resolution in frequency domain which will realize a high efficien
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Marpaung, David, Blair Morrison, Ravi Pant, and Benjamin J. Eggleton. "Frequency agile microwave photonic notch filter with anomalously high stopband rejection." Optics Letters 38, no. 21 (2013): 4300. http://dx.doi.org/10.1364/ol.38.004300.

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Ren, Yu-Jiun, Muhammad F. Farooqui, and Kai Chang. "A Compact Dual-Frequency Rectifying Antenna With High-Orders Harmonic-Rejection." IEEE Transactions on Antennas and Propagation 55, no. 7 (2007): 2110–13. http://dx.doi.org/10.1109/tap.2007.900275.

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O.D, Osunde, and Anyaoha S.N. "Immunity of Operational Amplifiers against High Frequency and High Amplitude Pulse Interferences." International Journal of Sciences Volume 3, no. 2014-08 (2014): 7–12. https://doi.org/10.5281/zenodo.3348765.

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The number of electronic (mobile) devices in the world is ever increasing. With this increase of transmitting devices, the electromagnetic interference (EMI) between those devices and other equipment becomes a bigger challenge. This raises the need for equipment and therefore integrated circuits that are more robust to the presence of Electromagnetic waves. In this study, the effect of radio frequency interference in operational amplifiers is dealt with by introducing a parameter to unambiguously specify the EMI robustness of an Op-Amp: EMI Rejection Ratio (EMIRR). This paper presents the back
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Chen, Jian, and Chien-In Henry Chen. "Process Variation Aware Wide Tuning Band Pass Filter for Steep Roll-Off High Rejection." VLSI Design 2015 (April 15, 2015): 1–9. http://dx.doi.org/10.1155/2015/408035.

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A wide tuning band pass filter (BPF) with steep roll-off high rejection and low noise figure is presented. The design feature of steep roll-off high stopband rejection (>20 dB) and low noise figure (<6 dB) provides a wide tuning frequency span (1–2.04 GHz) to accept desirable signals and reject close interfering signals. The process variation aware design approach demonstrates robustness of the BPF after calibration from process variations, operating in 1.04 GHz tuning frequency span: almost zero deviation on center frequency, an average maximum deviation 1.16 dB on a nominal pass band g
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Yin, Yue, Haobo Qi, Haodong Lu, et al. "A Novel Active Polyphase Filter Employing Frequency-Dependent Image Rejection Enhancement Technique." Micromachines 16, no. 1 (2025): 65. https://doi.org/10.3390/mi16010065.

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In low intermediate frequency (low-IF) receivers, image interference rejection is one of the core tasks to be accomplished. Conventional active polyphase filters (APPFs) are unable to have a sufficient image rejection ratio (IRR) at high operating frequencies due to the degradation of the IRR by the amplitude and phase imbalances produced by the secondary pole. The proposed solution to the above problem is a frequency-dependent image rejection enhancement technique based on secondary pole compensation. By adjusting the dominant pole frequency of the high-pass filter (HPF) appropriately, the pr
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Dissertations / Theses on the topic "High-frequency rejection"

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Kim, Hyunchul. "A FIR Filter Embedded Millimeter-wave Front-end for High Frequency Selectivity." Diss., Virginia Tech, 2019. http://hdl.handle.net/10919/87413.

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Millimeter wave (mm-Wave) has become increasingly popular frequency band for next-generation high-speed wireless communications. In mm-Wave, the wireless channel path loss is severe, demanding a high output power in transmitters (Tx) to meet a required SNR in receivers (Rx). Due to the intractable speed-power tradeoff ingrained in silicon processes, however, achieving a high power at mm-Wave, particularly over W-band (> 90 GHz), is challenging in silicon power amplifiers. To relieve the output power burden, phased-arrays are widely adopted in mm-Wave wireless communication systems -- namely,
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Chen, Jian. "RF CMOS Band Pass Filters with Wide Tuning Frequency, Controllable Pass Band and High Stopband Rejection: Using Passive and Active Inductors." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1472300517.

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Lin, Hong-Pu, and 林弘蒲. "Band rejection structure design of high-frequency circuit." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/3gqw8h.

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碩士<br>國立勤益科技大學<br>電子工程系<br>105<br>A compact band rejection structure is proposed, Two types were designed. Type-one is microstrip in-line two-line band rejection structure, it simply consists of two transmission lines and with one of the transmission line serial connected with a reactive element capacitance or inductance. It can be designed directly into 50 ohm line layout. Using the basic circuit theory to analyze the proposed structure, a design equation is obtained for determining band rejection frequency. Varying the reactive element value or transmission line characteristic length will ch
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Bishay, Rami. "High-frequency ultrasound assessment of cardiac graft rejection in heterotopically transplanted mice." 2007. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=453010&T=F.

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Books on the topic "High-frequency rejection"

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Bishay, Rami. High-frequency ultrasound assessment of cardiac graft rejection in heterotopically transplanted mice. 2007.

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Book chapters on the topic "High-frequency rejection"

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Herbst, Gernot, and Rafal Madonski. "Visual Tour." In Control Engineering. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-72687-3_5.

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AbstractA picture is worth a thousand words. This chapter aims at analyzing and showcasing ADRC in a predominantly visual manner, in both time and frequency domains, going from modeling to tuning and its closed-loop behavior. What can one expect from ADRC regarding tracking performance and disturbance rejection? What is the influence of its modeling and tuning parameters? And what if we set them too low or too high?
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Schmidt, Jan-Erik, and Caterina Gawrilow. "Reciprocal Student–Teacher Feedback: Effects on Perceived Quality of Cooperation and Teacher Health." In Student Feedback on Teaching in Schools. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-75150-0_12.

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AbstractHigh lesson quality in schools is, in addition to other factors, the result of good cooperation between teachers and students. The long history of research on offer-use models of lesson quality and student–teacher relationships documents this interaction. Feedback focused on expressing the quality of cooperation can lead to higher quality of cooperation. The fact that feedback is reciprocal, from teacher to student and vice versa, helps to avoid effects of perceived injustice and rejections of feedback which otherwise are severe obstacles to the efficient use of feedback. High-frequenc
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Ryan, Caitlin, David Huebner, Rafael M. Diaz, and Jorge Sanchez. "Family Rejection as a Predictor of Negative Health Outcomes in White and Latino Lesbian, Gay, and Bisexual Young Adults." In Pediatric Collections: LGBTQ+: Support and Care (Part 2: Health Concerns and Disparities). American Academy of Pediatrics, 2021. http://dx.doi.org/10.1542/9781610025409-family.

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OBJECTIVE We examined specific family rejecting reactions to sexual orientation and gender expression during adolescence as predictors of current health problems in a sample of lesbian, gay, and bisexual young adults. METHODS On the basis of previously collected in-depth interviews, we developed quantitative scales to assess retrospectively in young adults the frequency of parental and caregiver reactions to a lesbian, gay, or bisexual sexual orientation during adolescence. Our survey instrument also included measures of 9 negative health indicators, including mental health, substance abuse, a
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Deshpande Rohini and Deshpande Deepak. "FIR Notch Filter with Rejection Bandwidth Tuning and Sharpening." In Frontiers in Artificial Intelligence and Applications. IOS Press, 2017. https://doi.org/10.3233/978-1-61499-828-0-364.

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Two novel design methodologies for the FIR notch filter (NF) are proposed: i) Design with rejection bandwidth (RBW) tuning. ii) Design with narrow RBW. In both methodologies, basic FIR notch filter is evolved from second order IIR notch filter. In the first design, a relationship between pole radius &amp;lsquo;r&amp;rsquo; and RBW is developed for different values of notch frequencies and filter lengths. Such developed relation is used to design an FIR notch filter for the specified RBW, notch frequency and given length. In the second methodology, design of FIR notch filter with highly narrow
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Lagerlund, Terrence D. "Instrumentation and Electricity for Clinical Neurophysiology." In Clinical Neurophysiology, 5th ed., edited by Devon I. Rubin. Oxford University PressNew York, 2021. http://dx.doi.org/10.1093/med/9780190067854.003.0058.

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Abstract This chapter reviews the basic principles of electricity and how they apply to electrical circuits. Electrical properties such as electric field, electric potential, electromotive force, electric current, current density, resistance, conductance, resistivity, conductivity, capacitance, inductance, frequency, reactance, and impedance are defined, along with their measurement units and formulas for calculation. Electrical circuit components such as seats of electromotive force (batteries and generators), resistors, capacitors, coils (inductors), diodes, and transistors are described, as
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Jairath, Kapil, Navdeep Singh, Anjali Kaushal, and Vishal Kumar. "METAMATERIAL SLOT AND S-SHAPED SLOT LOADED BAND NOTCHED ANTENNA FOR UWB APPLICATIONS." In Futuristic Trends in Physical Sciences Volume 3 Book 2. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bkps2p2ch2.

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The ultra wideband (UWB) antenna inspired by loaded metamaterials with band notches is elucidated in this manuscript. The prototyped antenna is 20×16×1.6 mm3 in dimension and accomplishes a large bandwidth between 3.4 GHz and 10.8 GHz. By inserting a single RSRR metamaterial notch on the radiating surface &amp; a slot of shape S on the microstrip feed line, the notching of desired band’s frequencies have been achieved. WiMAX-band (3.51-3.7 GHz), C-band applications (3.7-4.2 GHz), WLAN band (5.15-5.62 GHz), X-band satellite communication system (7-8 GHz), and uplink X-band (8.89-10.38 GHz) freq
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Paláncz, Béla, Levente Kovács, Balázs Benyó, and Zoltán Benyó. "Robust Blood-Glucose Control of Type I Diabetes Patients Under Intensive Care Using Mathematica." In Encyclopedia of Healthcare Information Systems. IGI Global, 2008. http://dx.doi.org/10.4018/978-1-59904-889-5.ch151.

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This article presents a robust control design method on frequency domain using Mathematica for regularization of glucose level in Type I diabetes persons under intensive care. The method originally proposed under Mathematica by Helton and Merino (1998) is now improved with a disturbance rejection constraint inequality, and is tested on the three-state minimal model. Nonlinear closed loop simulation in state-space, in case of standard meal disturbances, demonstrates the robustness of the resulted high-order linear controller. The obtained results are compared with H8 design implemented with Mat
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Ranjan Dwibedi, Sudhansu, and Bijay Kumar Ekka. "Improvement of SNR by Removing Power-line Interference from Noisy ECG Signal." In Artificial Intelligence and Communication Technologies, 2022nd ed. Soft Computing Research Society, 2022. http://dx.doi.org/10.52458/978-81-955020-5-9-57.

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The electrical signals are invariably accompanied by components that are unrelated to the phenomenon being studied. Spurious or unwanted signal components which may occur at any frequency within band pass of the system are known as noise. The instruments are designed in such a way that the noise is minimized to facilitate accurate and sensitive measurement. Noise in Electrocardiograph (ECG) recording occurs due to high frequency Electromagnetic (EM) noise, motion artifacts and power line (50Hz or 60Hz) interference. For extraction of information from noisy signals, it is essential to increase
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Lightstone, Liz, Sarah Deacock, Tricia Heaton, and Robert Lechler. "The molecular basis of alloreactivity." In MHC Volume 1. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780199635542.003.0011.

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Abstract Allogeneic major histocompatibility (MHC) molecules are capable of stimulating uniquely strong primary immune responses. This is illustrated in vitro in the mixed lymphocyte reaction, and in vivo leads to organ graft rejection, and graft versus host disease in recipients of allogeneic bone marrow transplants. The strength of the allo-response is due to the very high frequency of T cells in the ‘normal’ T cell repertoire which are able to react with MHC alloantigens. Whilst this phenomenon was observed many years ago (1) it is only relatively recently that the tools have become availab
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van Zanten, Gijsbert, Huib Versnel, Nathan van der Stoep, Wiepke Koopmans, and Alex Hoetink. "Short-Latency Evoked Potentials of the Human Auditory System." In Human Auditory System - Function and Disorders [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102039.

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Auditory Brainstem Responses (ABR) are short-latency electric potentials from the auditory nervous system that can be evoked by presenting transient acoustic stimuli to the ear. Sources of the ABR are the auditory nerve and brainstem auditory nuclei. Clinical application of ABRs includes identification of the site of lesion in retrocochlear hearing loss, establishing functional integrity of the auditory nerve, and objective audiometry. Recording of ABR requires a measurement setup with a high-quality amplifier with adequate filtering and low skin-electrode impedance to reduce non-physiological
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Conference papers on the topic "High-frequency rejection"

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Li, Yizhao, Jiang Luo, Yi Shen, Xiang Wang, Jun Liu, and Hongchang Shen. "W-band CMOS ×8 Frequency Multiplier With High Harmonic Rejection." In 2024 IEEE 7th International Conference on Electronic Information and Communication Technology (ICEICT). IEEE, 2024. http://dx.doi.org/10.1109/iceict61637.2024.10671243.

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Leclerc, Marc-Antoine, David Rancourt, and Alexis Lussier Desbiens. "Multirotor UAS Wind Disturbances Rejection Using Dedicated Lateral Thrusters with Frequency-Split Control." In Vertical Flight Society 81st Annual Forum and Technology Display. The Vertical Flight Society, 2025. https://doi.org/10.4050/f-0081-2025-143.

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Precision flight in windy conditions is a common challenge for multirotor UAS. It is especially challenging for in contact tasks that require high-precision positioning and good disturbance rejection capabilities. Such tasks include landing on high-voltage powerlines for in-contact inspections. This paper presents the implementation of small lateral thrusters to improve the lateral position hold ability of a large power line inspection UAS in windy conditions. Arranged in antagonistic pairs on each side, the lateral thrusters handle the high-frequency but smaller-amplitude wind turbulence comp
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Xu, Jia-Wei, Fu-Chang Chen, Kai-Ran Xiang, and Yun Wang. "Bandpass 3-D Frequency Selective Surface with High Selectivity and Wide Out-of-Band Rejection." In 2024 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC). IEEE, 2024. https://doi.org/10.1109/csrswtc64338.2024.10811646.

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Horn, Joseph, Dooyong Lee, Junfeng Yang, and Chengjian He. "Parameter Optimization of Dynamic Inversion Control Laws for Shipboard Operations." In Vertical Flight Society 73rd Annual Forum & Technology Display. The Vertical Flight Society, 2017. http://dx.doi.org/10.4050/f-0073-2017-12070.

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Two approaches to gains optimization of dynamic inversion control laws have been developed to facilitate the shipboard operation of rotorcraft. The first approach is a frequency-based method to optimize the tradeoff between stability margins and disturbance rejection properties; the second approach uses direct optimization of gains to enhance tracking performance in the time domain. Comparative studies show that both methods tend to use high gain design for improvement of tracking error while rejecting airwake disturbances and following station-keeping commands over a moving deck. The frequenc
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Roberts, Brad, Eugene Morelli, Jared Cooper, et al. "Integrated Methods to Model and Update Rotorcraft Simulations with Experimental Data." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9583.

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Updating simulation models based on flight, or other external data, is a laborious process. Despite this, simulation updates are necessary for high-fidelity simulations used in analysis, control development, handling qualities prediction, fleet training, etc. Recent development has yielded an integrated modeling and simulation update suite known as AUSPEX: Algorithms to Update Simulation Parameters with EXperimental Data. AUSPEX combines the steps of the simulation-update process into a single environment and provides a framework to track updates and associated metadata. Mathematically sound a
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Li, Xuetong, Huan Qu, Weipeng Wang, et al. "A Novel On-Chip Bridged Balanced Photodetector with High Common-Mode Rejection Ratio (~49dB) for FMCW LiDAR." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.m3j.2.

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We reported a bridge balanced photodetector that increases the common mode rejection ratio by 20 dB at 1550 nm, reaching 49 dB, and improves the signal-to-noise ratio for frequency modulated continuous wave LiDAR.
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Kong, Mengdan, Yongle Wu, Zheng Zhuang, Zehai Wu, and Yuanan Liu. "High-rejection wideband bandstop filter with good frequency selectivity." In 2018 IEEE MTT-S International Wireless Symposium (IWS). IEEE, 2018. http://dx.doi.org/10.1109/ieee-iws.2018.8400896.

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Seung-Hi Lee, Chung Choo Chung, and Choong Woo Lee. "Active high frequency vibration rejection in hard disk drives." In Proceedings of the 2004 American Control Conference. IEEE, 2004. http://dx.doi.org/10.23919/acc.2004.1383655.

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Jin, Huiyu, and Weiyao Lan. "Suppressing High-Frequency External Disturbance in Active Disturbance Rejection Control." In 2021 CAA Symposium on Fault Detection, Supervision, and Safety for Technical Processes (SAFEPROCESS). IEEE, 2021. http://dx.doi.org/10.1109/safeprocess52771.2021.9693545.

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Gao, Yi-Qiang, and Ling-Yun Li. "A Q-Band Current-Reused Frequency Doubler with High Odd-Harmonic Rejection." In 2020 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2020. http://dx.doi.org/10.1109/icmmt49418.2020.9386333.

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