MICROPHONE

作品数：29被引量：31H指数：3
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相关领域：电子电信更多>>
相关作者：吴宗汉更多>>
相关机构：苏州迪纳精密设备有限公司弗瑞德曼电子有限公司东北师范大学东南大学更多>>
相关期刊：《IEEE/CAA Journal of Automatica Sinica》《Journal of Mechanics Engineering and Automation》《CAAI Transactions on Intelligence Technology》《Open Journal of Physical Chemistry》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金国家高技术研究发展计划更多>>
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Piezoelectric Field Effect Transistors(Piezo-FETs)for Bionic MEMS Sensors:A Literature Review
《Journal of Bionic Engineering》2024年第6期2717-2729,共13页Chang Ge Huawei Chen 
This paper presents a literature review exploring the potential of piezoelectric field-effect transistors(piezo-FETs)as bionic microelectromechanical systems(MEMS).First,piezo-FETs are introduced as bionic counterpart...
关键词：Bionic MEMS Piezoelectric field-effect transistors Tactile sensor Multi-axis accelerometer Directional microphone 
Ultra-high sensitivity fiber optic microphone with corrugated graphene-oxide diaphragm for voice recognition
《Nano Research》2024年第8期7593-7602,共10页Yang Liu Cheng Li Lingxiao Yu Zhengwei Wu Shangchun Fan Ruitao Lv 
supported by the National Natural Science Foundation of China(No.62173021);Joint Funds of the National Natural Science Foundation of China(No.U23A20638);Beijing Natural Science Foundation(No.4212039);Aviation Science Foundation of China(No.2020Z073051002).
To avoid interference from unexpected background noises and obtain high fidelity voice signal,acoustic sensors with high sensitivity,flat frequency response,and high signal-to-noise ratio(SNR)are urgently needed for v...
关键词：corrugated graphene-oxide(GO)diaphragm Fabry-Perot(F-P)acoustic sensor mechanical sensitivity voice recognition 
UltraJam:Ultrasonic adaptive jammer based on nonlinearity effect of microphone circuits
《High-Confidence Computing》2023年第3期30-39,共10页Zhicheng Han Jun Ma Chao Xu Guoming Zhang 
supported by the Projects of the Natural Science Foundation of Qinghai Province(2021-ZJ-916);the National Natural Science Foundation of China(62202274).
The widely used devices(e.g.smartphones,recorders)equipped with microphones have posed a severe threat to confidential conversations.In this paper,we design an inaudible anti-eavesdropping method:UltraJam,to reduce th...
关键词：Noise jammer MICROPHONE Nonlinear effects SECURITY 
Multisource localization based on angle distribution of time-frequency points using an FOA microphone
《CAAI Transactions on Intelligence Technology》2023年第3期807-823,共17页Liang Tao Maoshen Jia Lu Li Jing Wang Yang Xiang 
supported by the National Natural Science Foundation of China under Grant(No.61971015);Beijing Natural Science Foundation(No.L223033).
Multisource localization occupies an important position in the field of acoustic signal processing and is widely applied in scenarios,such as human‐machine interaction and spatial acoustic parameter acquisition.The d...
关键词：signal processing speech processing 
Resonance phenomena in dielectric media: A review and comparison of acoustic and electromagnetic modes被引量：1
《Journal of Advanced Dielectrics》2023年第4期35-40,共6页Gunnar Gidion Taimur Aftab Leonhard M.Reindl Stefan J.Rupitsch 
The theory and application of resonances and vibrational modes are part of the foundation of science.In this contribution,examples of acoustical resonators are highlighted,and compared to electromagnetic modes.As an e...
关键词：Whispering gallery dielectric resonator passive wireless microphone flue organ pipe ferroelectret sensor 
Identification of abnormal tribological regimes using a microphone and semi-supervised machine-learning algorithm被引量：4
《Friction》2022年第4期583-596,共14页Vigneashwara PANDIYAN Josef PROST Georg VORLAUFER Markus VARGA Kilian WASMER 
This work was funded by the Austrian COMET Program(project InTribology,No.872176)via the Austrian Research Promotion Agency(FFG);the Provinces of Niederösterreich and Vorarlberg and has been carried out within the Austrian Excellence Centre of Tribology(AC2T Research GmbH);Experiments were carried out within the framework of a project funded by the government of Lower Austria(No.K3-F-760/001-2017).
Functional surfaces in relative contact and motion are prone to wear and tear,resulting in loss of efficiency and performance of the workpieces/machines.Wear occurs in the form of adhesion,abrasion,scuffing,galling,an...
关键词：surface integrity acoustic emission auto encoders condition monitoring wear prediction 
Data Transmission Using HDD as Microphone
《国际计算机前沿大会会议论文集》2020年第1期416-427,共12页Yongyu Liang Jinghua Zheng Guozheng Yang 
through grants from the National Natural Science Foundation of China(No.61602491);the University fund of National University of Defense Technology(No.KY19A013);We also would like to thank the Institute of Psychology,Chinese Academy of Sciences for generously supporting our research.
The technology of Covert Channel is often used for communications between computers and the Internet with high sensitivity or security levels.Presently,some research were carried out on covert channel using computer s...
关键词：Covert channel Air-gapped network Data exfiltration Acoustic waves 
Trace Ammonia Detection Based on Near-Infrared Fiber-Optic Cantilever-Enhanced Photoacoustic Spectroscopy被引量：2
《Photonic Sensors》2019年第4期293-301,共9页Min GUO Ke CHEN Zhenfeng GONG Qingxu YU 
This work is supported by the Fundamental Research Funds for the Central Universities[Grant No.DUT 18RC(4)040].
A trace ammonia(NH3)detection system based on the near-infrared fiber-optic cantilever-enhanced photoacoustic spectroscopy(CEPAS)is proposed.A fiber-optic extrinsic Fabry-Perot interferometer(EFPI)based cantilever mic...
关键词：Trace gas detection photoacoustic spectroscopy cantilever microphone fiber-optic Fabry-Perot interferometer near-infrared laser 
High-sensitivity FBG microphone with static pressure equalization and optimized response
《Chinese Optics Letters》2019年第1期9-13,共5页Faxiang Zhang Chang Wang Xiaolei Zhang Shaodong Jiang Jiasheng Ni Gangding Peng 
supported by the National Natural Science Foundation of China(No.61605102);the Shandong Youth Taishan Scholar Program;the Key Research and Development Program of Shandong Province(Nos.2018GGX101042 and 2018GSF120008)
We present a high-sensitivity fiber Bragg grating(FBG)-based microphone with a flat response and static pressure equalization. A very high dynamic sensitivity of the microphone is achieved by a pressure sensing struct...
关键词：FBG STATIC pressure EQUALIZATION optimized RESPONSE 
Feed-Forward Active Noise Control System Using Microphone Array被引量：4
《IEEE/CAA Journal of Automatica Sinica》2018年第5期946-952,共7页Yang Li Lichuan Liu Sen M.Kuo 
Feedforward active noise control(ANC)system are widely used to reduce the wide-band noise in different application.In feedforward ANC systems,when the noise source is unknown,the misplacement of the reference micropho...
关键词：Active noise control CAUSALITY direction estimation generalized cross-correlation(GCC) microphone-array noise pollution noise source steering response power(SRP) 
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