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2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)最新文献

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Research on Classification of Hypertension Patients Based on Pulse Wave 基于脉搏波的高血压患者分型研究
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098412
J. Ding, Junsheng Yu, Ziyang Yu, Hanlin Mou
{"title":"Research on Classification of Hypertension Patients Based on Pulse Wave","authors":"J. Ding, Junsheng Yu, Ziyang Yu, Hanlin Mou","doi":"10.1109/CSRSWTC56224.2022.10098412","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098412","url":null,"abstract":"Because of clinical needs and technical opportunities, cuff-less blood pressure measurement has become a hot topic. However, so far there are few methods has been widely accepted. In recent years, the demand for portable devices to measure blood pressure has become higher and higher. Among them, photoplethysmography (PPG) is a feasible method to estimate blood pressure by measuring fingertip pulse. Based on the pulse wave data, this manuscript mainly explores the feasibility of using different neural networks to distinguish whether the user is a hypertensive patient, and selects the most suitable neural network model.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124992348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Overlapping Mode in Coupled Extended Interaction Cavity 耦合扩展相互作用腔中重叠模式的研究
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098298
Yanan Ma, Shuzhong Wang, Yong Wang
{"title":"Study of the Overlapping Mode in Coupled Extended Interaction Cavity","authors":"Yanan Ma, Shuzhong Wang, Yong Wang","doi":"10.1109/CSRSWTC56224.2022.10098298","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098298","url":null,"abstract":"To extend the bandwidth of extended interaction klystron(EIK) in millimeter-wave band, an overlapping mode coupled extended interaction cavity is designed by adding a coupling slots between cavities. This paper presents the mode analysis of a coupled extended interaction cavity operating in overlapping mode. The electric field distributions, characteristic impedance, coupling coefficients and S11 parameters of the cavity are calculated by CST-MWS. The results show that the bandwidth can reach around 1.5 GHz.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122324504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Elliptically Polarized THz Generation and Manipulation from Layered Two-dimensional Materials 层状二维材料的椭圆偏振太赫兹产生和操作
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098438
Jing Wang, Yuanyuan Huang, Zhen Lei, Haonan Liu, Xinlong Xu
{"title":"Elliptically Polarized THz Generation and Manipulation from Layered Two-dimensional Materials","authors":"Jing Wang, Yuanyuan Huang, Zhen Lei, Haonan Liu, Xinlong Xu","doi":"10.1109/CSRSWTC56224.2022.10098438","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098438","url":null,"abstract":"Elliptically polarized terahertz (THz) emitter with tunable polarization state utilized in THz time-domain spectroscopy has intriguing potential for various applications, such as data processing, medical diagnosis, chiral molecular analysis, and so on. With the rapid development of material science, two-dimensional (2D) materials have been seen as the efficient and burgeoning nanoscale THz sources due to the high carrier concentration and mobility, broad spectral response, adjustable band gap, and especially the spin-related physics. Herein, we have observed the elliptically polarized THz generation from the tin sulfide (SnS) excited by linearly polarized incident light. Interestingly, the ellipticity and the orientation angle of the reconstructed THz polarization ellipses are dependent on the pump light polarization angle, realizing the arbitrary control of the polarized THz emission. Our study could lay the foundation for the 2D materials-based compact and integrated THz emitters and modulators.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"3 10","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120817676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Broadband Circularly Polarized Antenna with Low RCS 一种低RCS宽带圆极化天线
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098432
Liyan He, Chen Wei, Si-Yu Yin, Xi Gao
{"title":"A Broadband Circularly Polarized Antenna with Low RCS","authors":"Liyan He, Chen Wei, Si-Yu Yin, Xi Gao","doi":"10.1109/CSRSWTC56224.2022.10098432","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098432","url":null,"abstract":"In this paper, a circularly polarized antenna with a low radar cross section (RCS) based on nonuniform metasurfaces is proposed. The metasurface is composed of four elements, which are arranged orthogonally in a $2times 2$ array. Each element is a nonuniform metasurface of $4 times 4$ metallic patches. By feeding with a 90° phase difference, the antenna achieves circular polarization radiation. For the radiation case, simulated results show that the proposed antenna possesses a -10 dB impedance bandwidth of 47.05%, 3 dB axial ratio of 42.35%. The peak gain of the antenna reached 12.74 dBic. For the scattering case, the RCS reduction under normal incidence is higher than 6 dB in the operating frequency band of the antenna.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"625 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116456268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of cylindrical open resonator mode selection for 140GHz gyrotron oscillator 140GHz回旋管振荡器圆柱开式谐振腔模式选择分析
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098345
Qunchao Zhang, Mingkui Zhu, Chen Yang, Yu Fan, Jirun Luo
{"title":"Analysis of cylindrical open resonator mode selection for 140GHz gyrotron oscillator","authors":"Qunchao Zhang, Mingkui Zhu, Chen Yang, Yu Fan, Jirun Luo","doi":"10.1109/CSRSWTC56224.2022.10098345","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098345","url":null,"abstract":"With the increase of the working frequency of gyrotron, higher order mode is used as operating mode, which makes the frequency spacing between the different modes become smaller and smaller and results in mode competition. It is very important to select an appropriate mode as operating mode for keeping stable operation. In this paper, based on the linear theory of gyrotron oscillator, a slowly varying cross-section cylindrical open cavity is used to calculate the coupling coefficient variation with guide center, frequency spectrum density and starting current versus magnet field intensity and the effect of ohm loss endurance capacity of the cavity surface on mode starting oscillation and stable operation. Finally, the two modes of $mathbf{TE}_{28,8}$ and $mathbf{TE}_{25,9}$ are considered as operating modes through comparing the effect of their operating frequencies, starting oscillation currents, mode spacing, coupling coefficients on stable operation.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129724822","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A New Type of HF Broadband Monopole Antenna 一种新型高频宽带单极天线
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098308
Yinsheng Ma, Zhu Jin, Guo-Qing Liu
{"title":"A New Type of HF Broadband Monopole Antenna","authors":"Yinsheng Ma, Zhu Jin, Guo-Qing Liu","doi":"10.1109/CSRSWTC56224.2022.10098308","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098308","url":null,"abstract":"A new shortwave broadband monopole antenna is developed, which uses carbon fiber as the main material and wrapped with pure copper mesh as the antenna radiator. The performance of the antenna is analyzed and simulated based on the method of moments (MOM). In order to reduce the size of the antenna and improve the working bandwidth, the lumped element loading technology and broadband matching network technology are combined to improve the broadband characteristics of the antenna. The antenna has the characteristics of small size, high strength, light weight and wide band.and is suitable for short-range ground wave communication and long-range sky wave communication. A new shortwave wideband monopole antenna is actually fabricated. By comparing the measured VSWR curve with the simulated VSWR curve, they are in good agreement, which verifies the correctness of the development.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130624218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Environment-Adaptive Multi-UAV Task Allocation and Path Planning 环境自适应多无人机任务分配与路径规划
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098372
Jian Zhou, Yuhe Qiu
{"title":"Environment-Adaptive Multi-UAV Task Allocation and Path Planning","authors":"Jian Zhou, Yuhe Qiu","doi":"10.1109/CSRSWTC56224.2022.10098372","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098372","url":null,"abstract":"Light and small UAVs have become a research hot spot in recent years because of their good adaptability and low cost. Trajectory planning is the key to autonomous UAV flight, and the path planning problem in the case of multi-UAV cooperation can be divided into two sub-problems, task allocation and trajectory planning. In this paper, channel features are extracted from two dimensions, time and network type, respectively, through the graph structure. Taking this feature as a part of the environmental factors, an MDP model is established to perform task allocation and path planning with the goal of maximizing the information throughput per unit of energy. Finally, a large number of simulation tests are carried out to verify the stable performance of the algorithm in various environments.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134258199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Non-Local Means based denoising methods for enhanced spatial resolution products of Microvave Radiometer 微波辐射计增强空间分辨率产品的非局部均值去噪方法
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098416
Zhiyu Yao, Weidong Hu, Zhiyan Feng, Zhihao Xu, Huanyu Jiang, YanBao Gao, L. Ligthart
{"title":"An Non-Local Means based denoising methods for enhanced spatial resolution products of Microvave Radiometer","authors":"Zhiyu Yao, Weidong Hu, Zhiyan Feng, Zhihao Xu, Huanyu Jiang, YanBao Gao, L. Ligthart","doi":"10.1109/CSRSWTC56224.2022.10098416","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098416","url":null,"abstract":"During data collection, the Microwave Radiation Imager (MWRI) on the FY3D satellite has several factors that reduce the spatial resolution of the data. However, in complex degradation situations, established deconvolution techniques such as wiener filtering and Backus-Gilbert improve spatial resolution at the expense of noise amplification. In this study, The Non-Local Means(NLM) technique is used to mitigate the amplification noise introduced during the deconvolution process. Experimental results on simulated and actual MWRI images have demonstrated the validity and effectiveness of the method.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"193 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134404797","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Design of high-precision wireless UWB indoor positioning system 高精度无线超宽带室内定位系统的设计
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098424
Qingguo Liu, Min Shi, Weidong Hu, Huanyu Jiang, Zhihao Xu, Shi Qiao
{"title":"Design of high-precision wireless UWB indoor positioning system","authors":"Qingguo Liu, Min Shi, Weidong Hu, Huanyu Jiang, Zhihao Xu, Shi Qiao","doi":"10.1109/CSRSWTC56224.2022.10098424","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098424","url":null,"abstract":"With the continuous development of modern technology, satellite positioning technology has been applied in outdoor positioning in depth, while positioning technology in indoor environment is yet to be developed. In this paper, an embedded hardware platform based on DWM1000 for the integration of anchor and tag of ultra-wideband (UWB) indoor positioning system is proposed, and STM32FI03RCT6 microcontroller is used as the main controller to realize the communication function between anchor and tag. Moreover, the time difference of arrival (TDOA) model combined with Taylor algorithm is selected as the positioning algorithm in this study. Finally, the results show that the positioning error can be controlled within 10 cm.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132670576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Fast Alignment Module Based on Bidirectional Laser for Antenna Measurement 一种基于双向激光的天线测量快速对准模块
2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC) Pub Date : 2022-12-17 DOI: 10.1109/CSRSWTC56224.2022.10098478
Jia-Hao Xu, Geng-Peng Chen, Zi-Huan Lu, Ming-Xi Zheng, Guanhua Huang
{"title":"A Fast Alignment Module Based on Bidirectional Laser for Antenna Measurement","authors":"Jia-Hao Xu, Geng-Peng Chen, Zi-Huan Lu, Ming-Xi Zheng, Guanhua Huang","doi":"10.1109/CSRSWTC56224.2022.10098478","DOIUrl":"https://doi.org/10.1109/CSRSWTC56224.2022.10098478","url":null,"abstract":"A laser alignment scheme for antenna measurement is proposed in this work. The designed alignment module is composed of a laser generator and an external non-metallic fixture, which help reduce the influence of metal materials on the experiment within a controllable range. Such module is a key component for high-accuracy antenna measurement especially for millimeter wave antenna test.","PeriodicalId":198168,"journal":{"name":"2022 Cross Strait Radio Science & Wireless Technology Conference (CSRSWTC)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132047366","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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