Recurrently Propagating Intensity Disturbances along Polar Plumes Observed in White Light and Extreme Ultraviolet by Il-Hyun Cho, Yong-Jae Moon, Jin-Yi Lee, Junmo An, Dae Jung Yu, Kyung-Suk Cho, Harim Lee, Jae-Ok Lee

“…We study properties of intensity disturbances along polar coronal rays that are associated with plumes below. …”
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Detection of Bark Beetle Disturbance at Tree Level Using UAS Multispectral Imagery and Deep Learning by Robert Minařík, Jakub Langhammer, Theodora Lendzioch

“…The best performance was achieved by the Nez4c3b CNN (kappa 0.80) and Safaugu4c3b CNN (kappa 0.76) using only RGB bands. The main misclassifications were between sbbd and sbbg because of the similar spectral responses. …”
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Simulating the Interacting Effects of Intraspecific Variation, Disturbance, and Competition on Climate-Driven Range Shifts in Trees. by Emily V Moran, Rhys A Ormond

“…The simulated landscape undergoes an 80-year period of climate change in which climate bands shift upslope; subsequently, climate is held constant for 300 years. …”
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X-Band Dual Circularly Polarized Patch Antenna With High Gain for Small Satellites by Paolo Squadrito, Shuai Zhang, Gert Fraolund Pedersen

“…This paper presents an X-band circularly polarized patch antenna with a simulated high gain of 12.5 dBi and a simulated side-lobe-level of below -20 dB, within the bandwidth of 5.2%. …”
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Measurement Noise Covariance-Adapting Kalman Filters for Varying Sensor Noise Situations by Anirudh Chhabra, Jashwanth Rao Venepally, Donghoon Kim

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Three Closed-Loop Feedback Control System with Dual Disturbance Observers of an Optoelectronic Stable Control Platform by Hanwen Zhang, Yao Mao, Jiuqiang Deng, Huabo Liu

“…The disturbance frequency affecting the stable control platform is mainly concentrated in the low- and middle-frequency bands, but the commonly used three closed-loop feedback control methods do not perform well in the disturbance rejection of those frequency bands. …”
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Detecting Landscape Disturbance at the Nasca Lines Using SAR Data Collected from Airborne and Satellite Platforms by Douglas C. Comer, Bruce D. Chapman, Jacob A. Comer

“…We employed algorithms to calculate correlations between pairs of SAR returns, collected at different times, and generate correlation images. Landscape disturbances even on the scale of pedestrian travel are discernible in correlation images generated from airborne, L-band SAR. …”
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Investigation of the Distribution Problem in the Operating State of an Electromagnetic Railgun: Radio Fuse Disturbance, Field Characteristics, and Susceptible by Ruihu Wen, Ping Li, Haibin Wang

“…This phenomenon will have an impact on the launch of the projectile, causing its fuse to be disturbed, ultimately affecting the weapon performance of the electromagnetic railgun. …”
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Adaptive Control for Narrow Bandwidth Input and Output Disturbance Rejection for a Non-Isothermal CSTR System by Susana Haydee Sainz-García, Guadalupe López López, Víctor M. Alvarado, Jesse Y. Rumbo Morales, Estela Sarmiento-Bustos, Omar Alí Zatarain Durán

“…The emphasis is on handling disturbances appearing in a narrow band of frequencies, which illustrates standard forms of disturbances in the alluded kind of systems. …”
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An improved dq-frame wideband impedance identification method for power supply network with only one disturbance by Changjun Zhao, Kai Wei, Xing Yan, Haojin Lin

“…This article focuses on the power supply network and proposes an improved method to identify its dq-frame wide-band impedance by only one disturbance, which greatly simplifies the dq-frame wideband impedance identification process to improve the identification efficiency. …”
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Design of a Discrete-time Sliding Mode Controller for Nonlinear Affine Systems based on Disturbance Estimation by N. Azam Baleghi, M.H. Shafiei

“…In the case of constant or slowly time-varying disturbances, the quasi-sliding mode band converges asymptotically to zero and in this case, the proposed method is converted to the ideal sliding mode. …”
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A New Method to Improve the Detection of Co-Seismic Ionospheric Disturbances using Sequential Measurement Combination by Seonho Kang, Junesol Song, Deokhwa Han, Bugyeom Kim, Hyoungmin So, Kap-jin Kim, Changdon Kee

“…Earthquakes generate energy that propagates into the ionosphere and incurs co-seismic ionospheric disturbances (CIDs), which can be observed in ionospheric delay measurements. …”
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Droop Control Strategy of Utility-Scale Photovoltaic Systems Using Adaptive Dead Band by Woosung Kim, Sungyoon Song, Gilsoo Jang

“…Here, a method for calculating an appropriate dead band that satisfies the voltage maintenance standard for two disturbances is described using voltage sensitivity analysis and the equation of existing droop control. …”
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Interference Level Detector with PCB HDI Rogowski coil for PLC Narrow-Band Applications by Aleksander Lisowiec, Marcin Habrych, Pawel Michalski, Bogdan Miedzinski, Grzegorz Wisniewski

“…This article presents and discusses the structure, principle of operation, and operational properties of a newly developed interference level detector (ILD) designed to measure conducted supraharmonic disturbances (1–150 kHz) in the power grid and to assess the effectiveness of narrow-band Power Line Communication (PLC) transmission, especially in the PRIME technology. …”
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Resting-state theta band connectivity and graph analysis in generalized social anxiety disorder by Mengqi Xing, Reza Tadayonnejad, Annmarie MacNamara, Olusola Ajilore, Julia DiGangi, K. Luan Phan, Alex Leow, Heide Klumpp

“…Results: WPLI results showed increased oscillatory midline coherence in the theta frequency band indicating higher connectivity in the gSAD relative to HC group during rest. …”
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Measuring GNSS ionospheric total electron content at Concordia, and application to L-band radiometers by Vincenzo Romano, Giovanni Macelloni, Luca Spogli, Marco Brogioni, Giuditta Marinaro, Cathryn N. Mitchell

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Radio frequency interference detection and mitigation in the DWD C-band weather radar network by M. Schaper, M. Frech, D. Michaelis, C. Hald, B. Rohrdantz

“…Theoretically, dynamic frequency selection (DFS) by devices operating in the C band should prevent any disturbance of the primary user. …”
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In-band phase noise reduction techniques for phase-locked loops in advanced CMOS technologies by Liang, Zhipeng

“…However, modern developments in communications require PLLs with wider loop bandwidth and lower in-band phase noise. High in-band phase noise leads to serious consequences in communications, such as degraded signal-to-noise ratio (SNR) and constellation diagram, resulting in low communication quality. …”
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EMD based statistical analysis of nighttime pre-earthquake ULF electric field disturbances observed by CSES by Bai-Yi Yang, Bai-Yi Yang, Bai-Yi Yang, Zhong Li, Zhong Li, Zhong Li, Jian-Ping Huang, Jian-Ping Huang, Xu-Ming Yang, Xu-Ming Yang, Xu-Ming Yang, Hui-Chao Yin, Hui-Chao Yin, Zong-Yu Li, Zong-Yu Li, Zong-Yu Li, Heng-Xin Lu, Wen-Jing Li, Xu-Hui Shen, Zhima Zeren, Qiao Tan, Na Zhou

“…To explore the correlation between earthquakes and spatial ultra-low frequency electric field disturbances and to study the phenomenon of seismic ionospheric disturbances, this study uses 3 years of electric field ULF band data from 2019 to 2021 observed by the electric field detector carried by the CSES to identify anomalous disturbances using the anomaly automatic detection algorithm based on empirical mode decomposition for the 2,329 seismic events of magnitude not less than 5.0 and the electric field ULF disturbances in this period are analyzed by Superposed Epoch Analysis, and the statistical results are compared and analyzed in depth by earthquake location and different magnitudes in terms of both spatial and temporal scales and spatial distribution. …”
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Unsolved problems: Mesoscale polar cap flow channels’ structure, propagation, and effects on space weather disturbances by Larry R. Lyons, Yukitoshi Nishimura, Jiang Liu, Jiang Liu, Ying Zou, William A. Bristow, Sneha Yadav, Eric Donovan, Nozomu Nishitani, Kazuo Shiokawa, Keisuke Hosokawa

“…Dynamic mesoscale flow structures move across the open field line regions of the polar caps and then enter the nightside plasma sheet where they can cause important space weather disturbances, such as streamers, substorms, and omega bands. …”
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