Search Results - "Xiaojun Qiu"

Ultra-broadband local active noise control with remote acoustic sensing by Xiao, Tong, Qiu, Xiaojun, Halkon, Benjamin

“…One enduring challenge for controlling high frequency sound in local active noise control (ANC) systems is to obtain the acoustic signal at the specific…”
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Subwavelength broadband sound absorber based on a composite metasurface by Long, Houyou, Liu, Chen, Shao, Chen, Cheng, Ying, Chen, Kai, Qiu, Xiaojun, Liu, Xiaojun

“…Suppressing broadband low-frequency sound has great scientific and engineering significance. However, normal porous acoustic materials backed by a rigid wall…”
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Regulating role of abscisic acid on cadmium enrichment in ramie (Boehmeria nivea L.) by Chen, Kunmei, Chen, Ping, Qiu, Xiaojun, Chen, Jikang, Gao, Gang, Wang, Xiaofei, Zhu, Aiguo, Yu, Chunming

“…Abscisic acid (ABA) is known as an important hormone regulating plant stress resistance, such as salt, drought and heavy metal resistance. However, the…”
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Comparative transcriptome analysis reveals key genes associated with pigmentation in radish (Raphanus sativus L.) skin and flesh by Zhang, Jifang, Zhao, Jian, Tan, Qunyun, Qiu, Xiaojun, Mei, Shiyong

“…Radish ( Raphanus sativus ) is an important vegetable worldwide that exhibits different flesh and skin colors. The anthocyanins responsible for the red and…”
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Broadband noise insulation of windows using coiled-up silencers consisting of coupled tubes by Wang, Shuping, Tao, Jiancheng, Qiu, Xiaojun, Burnett, Ian S.

“…It has been demonstrated that a staggered window achieves better noise reduction performance than a traditional single glazing one at middle to high…”
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Classification of transfer modes in gas metal arc welding using acoustic signal analysis by Cullen, Mitchell, Zhao, Sipei, Ji, Jinchen, Qiu, Xiaojun

“…Gas metal arc welding (GMAW) is a welding process in which an electric arc is formed between a wire electrode and a metal workpiece alongside a shielding gas…”
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Using a Retro-Reflective Membrane and Laser Doppler Vibrometer for Real-Time Remote Acoustic Sensing and Control by Xiao, Tong, Zhao, Sipei, Qiu, Xiaojun, Halkon, Benjamin

“…Microphones have been extensively studied for many decades and their related theories are well-established. However, the physical presence of the sensor itself…”
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Dual frequency sound absorption with an array of shunt loudspeakers by Zhang, Pengju, Cong, Chaonan, Tao, Jiancheng, Qiu, Xiaojun

“…Transformer noise is dominated by low frequency components, which are hard to be controlled with traditional noise control approaches. The shunt loudspeaker…”
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Causality study on a feedforward active noise control headset with different noise coming directions in free field by Zhang, Limin, Qiu, Xiaojun

“…A systematic analysis is proposed to predict the performance of a typical feedforward single channel ANC headset in terms of the delay, especially the…”
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Active noise attenuation in ventilation windows by Huang, Huahua, Qiu, Xiaojun, Kang, Jian

“…The feasibility of applying active noise control techniques to attenuate low frequency noise transmission through a natural ventilation window into a room is…”
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An objective and subjective study on global active control of engine noise in a car by Zhu, Liping, Zhong, Xu, Wang, Hao, Qiu, Xiaojun, Wu, Sheng, Mao, Dongxing

“…The work tests and analyzes the engine noise distribution in a car with and without active control, where the car’s built-in loudspeakers are used as secondary…”
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An Active Impulsive Noise Control Algorithm With Logarithmic Transformation by Wu, Lifu, He, Hongsen, Qiu, Xiaojun

“…To overcome the limitations of the existing algorithms for active impulsive noise control, an algorithm based on minimizing the squared logarithmic…”
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Acoustic absorption of ultralight graphene-based cellular monoliths by Xie, Ke, Cao, Yang, He, Zijun, Wang, Kangyan, Ding, Jie, MacGillivray, Ian, Skvortsov, Alex, Qiu, Xiaojun, Li, Dan

“…Cellular materials with ultralow density (e.g., < 5 mg cm −3 ) are attractive candidates for acoustic applications due to their lightweight and other unique…”
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Decentralized Two-Channel Active Noise Control for Single Frequency by Shaping Matrix Eigenvalues by Guoqiang Zhang, Jiancheng Tao, Xiaojun Qiu, Burnett, Ian

“…In an active noise control (ANC) system, computational complexity is one major concern when designing practical control algorithms. For an ANC system with…”
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Genome-wide identification and expression analysis of the PP2C gene family in Apocynum venetum and Apocynum hendersonii by Chen, Jiayi, Wang, Yue, Wu, Yongmei, Huang, Xiaoyu, Qiu, Xiaojun, Chen, Jikang, Lin, Qian, Zhao, Haohan, Chen, Fengming, Gao, Gang

“…Protein phosphatase class 2 C (PP2C) is the largest protein phosphatase family in plants. Members of the PP2C gene family are involved in a variety of…”
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Higher photochemical production of bromophenol by quinone-like substances extracted from humic substances using a new emodin-imprinted polymer by Liu, Hui, Qiu, Xiaojun, Li, Zhi, Zhu, Xiaomei, Sun, Bing, Zhang, Xiaoxing

“…Dissolved organic matter (DOM) in waters, soils, sediments, and organic waste is considered to have major role in the photochemical generation of emerging…”
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Geometric Nonlinear Model for Prediction of Frequency–Temperature Behavior of SAW Devices for Nanosensor Applications by Chen, Zhenglin, Zhang, Qiaozhen, Li, Congcong, Fu, Sulei, Qiu, Xiaojun, Wang, Xiaoyu, Wu, Haodong

“…Surface acoustic wave (SAW)-based sensors have become highly valued for their use as nanosensors in industrial applications. Accurate prediction of the thermal…”
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Humic Acid Extracts Leading to the Photochemical Bromination of Phenol in Aqueous Bromide Solutions: Influences of Aromatic Components, Polarity and Photochemical Activity by Liu, Hui, Pu, Yingying, Qiu, Xiaojun, Li, Zhi, Sun, Bing, Zhu, Xiaomei, Liu, Kaiying

“…Dissolved organic matter (DOM) is considered to play an important role in the abiotic transformation of organobromine compounds in marine environment, for it…”
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Performance of a snoring noise control system based on an active partition by Zhang, Xiaopai, Qiu, Xiaojun

“…This paper proposes an active partition that can be placed between a snorer and a non-snorer on a bed to reduce the snoring noise around the non-snorer ears by…”
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Spatial filtering of audible sound with acoustic landscapes by Wang, Shuping, Tao, Jiancheng, Qiu, Xiaojun, Cheng, Jianchun

“…Acoustic metasurfaces manipulate waves with specially designed structures and achieve properties that natural materials cannot offer. Similar surfaces work in…”
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