العنوان البديل: A Through-the-Wall Radar Imaging Composite Delay Time Algorithm for Wall with Unknown Parameters Based on Refraction Static Correction.

المؤلفون: 李家强^1,2 ljq@nuist.edu.cn, 刘　然², 徐才秀³, 陈金立^1,2, 陈焱博², 朱艳萍²

المصدر: Telecommunication Engineering. 5/28/2021, Vol. 61 Issue 5, p582-588. 7p.

مصطلحات موضوعية: *PROBLEM solving, ELECTROMAGNETIC wave propagation, RECEIVING antennas, TRANSMITTING antennas, ELECTROMAGNETIC waves, CLUTTER (Radar)

العنوان البديل: Forward simulation of electromagnetic waves in coal gangue model based on improved bidirectional peak-valley search algorithm. (English)

المؤلفون: 史翔予, 司垒, 王忠宾, 魏东, 顾进恒

المصدر: Journal of Mine Automation; Oct2023, Vol. 49 Issue 10, p87-95, 9p

مصطلحات موضوعية: FINITE difference time domain method, ELECTROMAGNETIC wave propagation, MAXWELL equations, ELECTROMAGNETIC waves, SEARCH algorithms

العنوان البديل: Research on the FDTD analysis method of wireless transmission characteristics in underground mine. (English)

المؤلفون: 张高敏, 刘 毅, 彭 铭

المصدر: Coal Science & Technology (0253-2336); 11/15/2022, Vol. 50 Issue 11, p202-212, 11p

مصطلحات موضوعية: ELECTROMAGNETIC wave propagation, WIRELESS communications equipment, ELECTROMAGNETIC waves, TRANSMITTING antennas, DIPOLE antennas, WIRELESS communications, FREE-space optical technology

المؤلفون: LI Maoqing, ZHENG Fenghe, GAO Yunbo, YANG Changqiong

المصدر: Railway Standard Design; Oct2022, Vol. 66 Issue 10, p149-154, 6p

مصطلحات موضوعية: URBAN transit systems, PUBLIC transit, ELECTROMAGNETIC wave propagation, BIT error rate, TECHNOLOGICAL innovations, SUBWAYS

العنوان البديل: Noise Suppression and High-Frequency Compensation of GRP Data in Curvelet Domain.

المؤلفون: 程　浩¹ chenghao@mail.neu.edu.cn, 王德利², 王恩德¹, 付建飞¹

المصدر: Journal of Northeastern University (Natural Science). Jun2019, Vol. 40 Issue 6, p903-907. 5p.

مصطلحات موضوعية: *ELECTROMAGNETIC wave propagation, *CURVELET transforms, *ELASTIC waves, *WAGES, *ELECTROMAGNETIC wave absorption

العنوان البديل: Experiments on ground-penetrating detecting coal-rock interface with radio pulse radar.

المؤلفون: 张守祥¹ zhangsx@sdtbu.edu.cn, 刘帅²

المصدر: Journal of the China Coal Society / Mei Tan Xue Bao. Jan2019, Vol. 44 Issue 1, p340-348. 9p.

مصطلحات موضوعية: *GROUND penetrating radar, *ELECTROMAGNETIC wave propagation, *ULTRA-wideband radar, *COAL mining, *SEISMIC waves, *PULSE generators, *RADAR signal processing

المؤلفون: LI Wei¹ liwei@srrc.org.cn, YANG Miao¹, DAI Hui-ling¹

المصدر: Telecommunication Engineering. Sep2014, Vol. 54 Issue 9, p1314-1320. 7p.

مصطلحات موضوعية: RADIO waves, RADIO wave propagation, ELECTROMAGNETIC wave propagation, SCINTILLATION counters

الشركة/الكيان: INTERNATIONAL Telecommunication Union

العنوان البديل: Influence of carrier frequency on demarcation points of near field in rectangular roadway. (English)

المؤلفون: 焦晓龙, 成凌飞, 张薇静, 陈 诺

المصدر: Coal Science & Technology (0253-2336); Sep2021, Vol. 49 Issue 9, p124-128, 5p

مصطلحات موضوعية: ELECTROMAGNETIC wave propagation, SUBWAY tunnels, ELECTROMAGNETIC waves, ELECTRIC conductivity, SIMULATION software, TUNNELS

العنوان البديل: Detection of cohesive soil water content based on early signal amplitude envelope of ground penetrating radar. (English)

المؤلفون: 吴志远, 杜文凤, 聂俊丽, 崔 凡

المصدر: Transactions of the Chinese Society of Agricultural Engineering; 2019, Vol. 35 Issue 22, p115-121, 7p

مصطلحات موضوعية: SOIL moisture, GROUND penetrating radar, ELECTROMAGNETIC wave propagation, LAND consolidation, RECEIVING antennas

مصطلحات جغرافية: TRIPOLI (Libya)

المؤلفون: YANG Min¹, LI Xiao-ping¹, XIE Kai¹, LIU Yan-ming², SHI Lei¹

المصدر: Journal of Astronautics / Yuhang Xuebao. Jun2013, Vol. 34 Issue 6, p842-847. 6p.

مصطلحات موضوعية: *ELECTROMAGNETIC wave propagation, *THEORY of wave motion, *MECHANICS (Physics), *ELECTRON density, *PLASMA gas research