Building density, which is ratio of building area to basal area, is of great significance in infrastructure planning and management for cities. Polarimetric synthetic aperture radar (PolSAR) images, delivering abundant information of detected areas, make the building density detection more convenient and accurate. The estimation of the density depends largely on the precision of building detection, which is a tough problem in PolSAR image interpretation because of the confusion of forest and buildings. Since the existing interpretation methods cannot distinguish buildings from forest accurately, an adaptive volume scattering model for the model-based decomposition is proposed in this study to help detect the building area. Together with the support vector machine algorithm, marker-controlled watershed algorithm and regression analysis, the ratio of building density can be calculated more precisely and comprehensively. Experiments on the ESAR L-band PolSAR data of the Oberpfaffenhofen have been taken out. The results demonstrate that the proposed method has a better performance in division of building areas and forest and can detect the building density with a higher degree of precision.
{"title":"Building density estimation using PolSAR images based on adaptive volume scattering model","authors":"Xiaofang Xu, Lamei Zhang, Ligang Zou, Lin-shan Yuan","doi":"10.1109/ICEICT.2016.7879763","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879763","url":null,"abstract":"Building density, which is ratio of building area to basal area, is of great significance in infrastructure planning and management for cities. Polarimetric synthetic aperture radar (PolSAR) images, delivering abundant information of detected areas, make the building density detection more convenient and accurate. The estimation of the density depends largely on the precision of building detection, which is a tough problem in PolSAR image interpretation because of the confusion of forest and buildings. Since the existing interpretation methods cannot distinguish buildings from forest accurately, an adaptive volume scattering model for the model-based decomposition is proposed in this study to help detect the building area. Together with the support vector machine algorithm, marker-controlled watershed algorithm and regression analysis, the ratio of building density can be calculated more precisely and comprehensively. Experiments on the ESAR L-band PolSAR data of the Oberpfaffenhofen have been taken out. The results demonstrate that the proposed method has a better performance in division of building areas and forest and can detect the building density with a higher degree of precision.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"74 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115144242","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879727
Liu Nan, Zhu Mo
Applications of multicast technology in space information network are increasing year by year. Due to the inherent characteristics of space information network, the existing multicast protocols are difficult to meet the high-quality service requirements and the need for reliability. A coding-aware and load balancing reliable multicast protocol in space information network is proposed. A coding-aware and load balancing routing metric is designed. This paper defines a load balancing factor to measure load status of the node and the Expected Transmission Time with Coding to measure the coding gain. A new route metric ECTTL (Expected Transmission Time with Coding and Load balancing) which combines the two factors is designed to select the high throughput path routes. It not only has the potential coding opportunity but is also able to prevent routing node overflows due to overload. In route establishment process, according to different business needs, it is preferable to use ECTTL metric to build multipath multicast tree and network coding method to encode the data for transmission. The coding-aware load balancing and reliable multicast protocol LCRM is simulated and analyzed in NS-2 simulation platform, The results showed that the design of coding-aware load balancing and reliable multicast protocol LCRM had good performance in reducing the end-to-end delay, routing overhead and improving the network throughput.
多播技术在空间信息网络中的应用逐年增加。由于空间信息网络固有的特点，现有的组播协议难以满足高质量的业务需求和可靠性要求。提出了一种编码感知、负载均衡的空间信息网络可靠组播协议。设计了一种编码感知和负载均衡的路由度量。本文定义了负载均衡因子来衡量节点的负载状态，定义了期望的带编码传输时间来衡量编码增益。结合这两个因素，设计了一种新的路由度量ECTTL (Expected Transmission Time with Coding and Load balancing)来选择高吞吐量的路径路由。它不仅具有潜在的编码机会，而且还能够防止由于过载而导致的路由节点溢出。在路由建立过程中，根据不同的业务需要，可以采用ECTTL度量建立多路径组播树，采用网络编码方法对传输数据进行编码。在NS-2仿真平台上对编码感知负载均衡和可靠组播协议LCRM进行了仿真分析，结果表明，编码感知负载均衡和可靠组播协议LCRM设计在降低端到端时延、路由开销和提高网络吞吐量方面具有良好的性能。
{"title":"Load-balance and coding awareness protocol multicast in space information network","authors":"Liu Nan, Zhu Mo","doi":"10.1109/ICEICT.2016.7879727","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879727","url":null,"abstract":"Applications of multicast technology in space information network are increasing year by year. Due to the inherent characteristics of space information network, the existing multicast protocols are difficult to meet the high-quality service requirements and the need for reliability. A coding-aware and load balancing reliable multicast protocol in space information network is proposed. A coding-aware and load balancing routing metric is designed. This paper defines a load balancing factor to measure load status of the node and the Expected Transmission Time with Coding to measure the coding gain. A new route metric ECTTL (Expected Transmission Time with Coding and Load balancing) which combines the two factors is designed to select the high throughput path routes. It not only has the potential coding opportunity but is also able to prevent routing node overflows due to overload. In route establishment process, according to different business needs, it is preferable to use ECTTL metric to build multipath multicast tree and network coding method to encode the data for transmission. The coding-aware load balancing and reliable multicast protocol LCRM is simulated and analyzed in NS-2 simulation platform, The results showed that the design of coding-aware load balancing and reliable multicast protocol LCRM had good performance in reducing the end-to-end delay, routing overhead and improving the network throughput.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"295 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115921622","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879718
Wenjia Zhou, Chun-bo Zhang
The aim of this paper is to design a kind of head-mounted color imaging sonar with small cubage and low-power consumption. It is used in the divers' work. The system is a battery-using underwater equipment. However, it doesn't sacrifice high-resolution and scanning distance and provides convenience for divers' underwater work equipped with ultra-small high-definition color display. In addition, underwater divers may cooperate with surface command system. This paper presents the thoughts and methods of designing and discussing the three parts of the system including low-noise power, high-output power acoustic transmitter and compensation for propagating attenuation. The lake-tests along with the sea-tests showed that the system can work continuously and steadily with the power supply of 12V/2600mAh lithium battery.
{"title":"Development of head-mounted color imaging sonar","authors":"Wenjia Zhou, Chun-bo Zhang","doi":"10.1109/ICEICT.2016.7879718","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879718","url":null,"abstract":"The aim of this paper is to design a kind of head-mounted color imaging sonar with small cubage and low-power consumption. It is used in the divers' work. The system is a battery-using underwater equipment. However, it doesn't sacrifice high-resolution and scanning distance and provides convenience for divers' underwater work equipped with ultra-small high-definition color display. In addition, underwater divers may cooperate with surface command system. This paper presents the thoughts and methods of designing and discussing the three parts of the system including low-noise power, high-output power acoustic transmitter and compensation for propagating attenuation. The lake-tests along with the sea-tests showed that the system can work continuously and steadily with the power supply of 12V/2600mAh lithium battery.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"18 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116708809","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879665
Yang Zixuan, Wang Zhifang, L. Chang
In this paper, the marine environmental monitoring system based on the Internet of Things technology is researched and demonstrated. At first, the system requirement and the overall framework of the marine environmental monitoring system are introduced. Then, the paper discusses the issues of how surface and underwater wireless sensor networks work in network building, and how to apply modes of ZigBee and CDMA in the system. Finally, the paper expounds the requirements of information subsystem in the marine environmental monitoring system.
{"title":"Research on marine environmental monitoring system based on the Internet of Things technology","authors":"Yang Zixuan, Wang Zhifang, L. Chang","doi":"10.1109/ICEICT.2016.7879665","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879665","url":null,"abstract":"In this paper, the marine environmental monitoring system based on the Internet of Things technology is researched and demonstrated. At first, the system requirement and the overall framework of the marine environmental monitoring system are introduced. Then, the paper discusses the issues of how surface and underwater wireless sensor networks work in network building, and how to apply modes of ZigBee and CDMA in the system. Finally, the paper expounds the requirements of information subsystem in the marine environmental monitoring system.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115735954","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879776
Zhefei Wang, J. Fu, Qian Wang, Dan-jiang Wang, Wan Chen, Bo Lv
In this study, a wideband frequency selective radome is represented, which can absorb the microwave of KU band, and will transmit the higher frequency power. This radome is composed of two different frequency selective surfaces (FSS). The transmission window and absorbing band are realized by the principle of impedance matching. Lossless foam is used as the medium while the absorbing band is promised. Lumped resistors are chosen to absorb microwave other than ink that can reduce the complexity of process. After simulating by CST Microwave Studio 2012, the result shows that from 13.5 GHz to 17.5GHz, reflection coefficient is lower than −10dB. And the transmittivity is more than eight percent from 32 GHz to 39GHz. This radome can be applied broadly in the communication system of stealth aircraft.
本研究提出了一种宽带选频天线罩，它可以吸收KU波段的微波，并传输更高频率的功率。该天线罩由两个不同的频率选择表面(FSS)组成。传输窗口和吸收带是通过阻抗匹配原理实现的。在保证吸波带的同时，采用无损泡沫作为介质。选择集总电阻来吸收微波而不是墨水，可以减少工艺的复杂性。经过CST Microwave Studio 2012的仿真，结果表明，在13.5 GHz ~ 17.5GHz范围内，反射系数小于- 10dB。从32ghz到39GHz的传输率超过8%。该天线罩可广泛应用于隐身飞机的通信系统中。
{"title":"Analysis and design of a wideband radome with lumped resistor","authors":"Zhefei Wang, J. Fu, Qian Wang, Dan-jiang Wang, Wan Chen, Bo Lv","doi":"10.1109/ICEICT.2016.7879776","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879776","url":null,"abstract":"In this study, a wideband frequency selective radome is represented, which can absorb the microwave of KU band, and will transmit the higher frequency power. This radome is composed of two different frequency selective surfaces (FSS). The transmission window and absorbing band are realized by the principle of impedance matching. Lossless foam is used as the medium while the absorbing band is promised. Lumped resistors are chosen to absorb microwave other than ink that can reduce the complexity of process. After simulating by CST Microwave Studio 2012, the result shows that from 13.5 GHz to 17.5GHz, reflection coefficient is lower than −10dB. And the transmittivity is more than eight percent from 32 GHz to 39GHz. This radome can be applied broadly in the communication system of stealth aircraft.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128958753","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879739
Chu Gao, Q. Lai
A method to compute patterns of arbitrary planar antenna arrays based on DFT (Discrete Fourier Transform) is proposed. By complex Fourier series expansion, irregular arrays are approximated to regular arrays. And array patterns are obtained by applying DFT. Examples are provided to illustrate the proposed method. A comparison between the proposed method and the series summation method is performed. The coincident results in patterns show the preciseness of the proposed method, while the computing time ratios show the efficiency of the proposed method.
{"title":"DFT approach to arbitrary planar antenna arrays","authors":"Chu Gao, Q. Lai","doi":"10.1109/ICEICT.2016.7879739","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879739","url":null,"abstract":"A method to compute patterns of arbitrary planar antenna arrays based on DFT (Discrete Fourier Transform) is proposed. By complex Fourier series expansion, irregular arrays are approximated to regular arrays. And array patterns are obtained by applying DFT. Examples are provided to illustrate the proposed method. A comparison between the proposed method and the series summation method is performed. The coincident results in patterns show the preciseness of the proposed method, while the computing time ratios show the efficiency of the proposed method.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"25 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129456167","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879679
Xiuwei Chi, Jian Kang, Yun Lin, Z. Dou
With the rapid development of communication technology, digital communication has become the main way of information transmission. MSK signal has the advantages of continuous phase, constant envelope and so on. It has been widely used, so it is very important to select the best jamming pattern for MSK signal. In this paper, we analyze all kinds of jamming patterns of MSK signal, and simulate the model by Matlab. Finally, the bit error rate curves of MSK signals under different jamming modes are obtained.
{"title":"Simulation research and implementation of optimal jamming effect on MSK signal","authors":"Xiuwei Chi, Jian Kang, Yun Lin, Z. Dou","doi":"10.1109/ICEICT.2016.7879679","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879679","url":null,"abstract":"With the rapid development of communication technology, digital communication has become the main way of information transmission. MSK signal has the advantages of continuous phase, constant envelope and so on. It has been widely used, so it is very important to select the best jamming pattern for MSK signal. In this paper, we analyze all kinds of jamming patterns of MSK signal, and simulate the model by Matlab. Finally, the bit error rate curves of MSK signals under different jamming modes are obtained.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130959486","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879738
Sheng-Yuan Wu, Xiao-Kuan Zhang, Jun-Chao Yuan
The change of the target RCS with the transmission polarization mode is regular. Firstly, the polarization angle is defined to represent different transmission polarization modes; Secondly, the trajectory of target RCS varying with polarization angle of incident electromagnetic wave is pointed out to be a cosine curve by formula derivation. The simulation results show that the trajectory from formula derivation is in perfect agreement with the trajectory from simulation and the formula is proved to be correct. The regularity could be used to improve target RCS and discriminate different targets.
{"title":"Study of the regularity between the target RCS and the transmission polarization mode","authors":"Sheng-Yuan Wu, Xiao-Kuan Zhang, Jun-Chao Yuan","doi":"10.1109/ICEICT.2016.7879738","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879738","url":null,"abstract":"The change of the target RCS with the transmission polarization mode is regular. Firstly, the polarization angle is defined to represent different transmission polarization modes; Secondly, the trajectory of target RCS varying with polarization angle of incident electromagnetic wave is pointed out to be a cosine curve by formula derivation. The simulation results show that the trajectory from formula derivation is in perfect agreement with the trajectory from simulation and the formula is proved to be correct. The regularity could be used to improve target RCS and discriminate different targets.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128451646","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879732
Yang Bai, Hongbo Li, Yun Zhang
This paper presents a hybrid model combining AR model with Volterra series expansion that uses Ensemble Empirical Mode Decomposition as preprocessing step for predicting congestion in high-frequency spectrum. In this model, original complex spectral occupancy phenomenon is decomposed into several simpler components among which relatively stable Intrinsic Mode Functions (IMFs) are predicted by AR model and the residue with tendency is modelled by Volterra series expansion; both of AR and Volterra's coefficients are modified by RLS algorithm in a centralized way. We compared the model with stand-alone use of AR model and Volterra adaptive filters for one-step prediction and employed RMSE for performance comparison. The results have demonstrated that the hybrid model enhances the accuracy of prediction to behaviors of spectrum driven from nonlinear and non-stationary processes.
{"title":"A hybrid model for congestion prediction in HF spectrum based on ensemble empirical mode decomposition","authors":"Yang Bai, Hongbo Li, Yun Zhang","doi":"10.1109/ICEICT.2016.7879732","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879732","url":null,"abstract":"This paper presents a hybrid model combining AR model with Volterra series expansion that uses Ensemble Empirical Mode Decomposition as preprocessing step for predicting congestion in high-frequency spectrum. In this model, original complex spectral occupancy phenomenon is decomposed into several simpler components among which relatively stable Intrinsic Mode Functions (IMFs) are predicted by AR model and the residue with tendency is modelled by Volterra series expansion; both of AR and Volterra's coefficients are modified by RLS algorithm in a centralized way. We compared the model with stand-alone use of AR model and Volterra adaptive filters for one-step prediction and employed RMSE for performance comparison. The results have demonstrated that the hybrid model enhances the accuracy of prediction to behaviors of spectrum driven from nonlinear and non-stationary processes.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126353020","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}
Pub Date : 2016-08-01DOI: 10.1109/ICEICT.2016.7879649
Jianping Li, Wan Li
This article imports an improved multistage sphere decoding (IMSD) algorithm into the MMSE-PIC iterative structure and proposes a new joint iterative detecting structure in high order modulation MIMO systems. The IMSD algorithm is designed against the higher-order modulation system with lower complexity and near SD performance. The new structure replaces the MMSE liner detector with the IMSD detector in the first round iteration of original MMSE-PIC structure, which has better performance and lower sensitivity towards channel correlation.
{"title":"A new joint iterative detecting algorithm in high-order modulation MIMO systems","authors":"Jianping Li, Wan Li","doi":"10.1109/ICEICT.2016.7879649","DOIUrl":"https://doi.org/10.1109/ICEICT.2016.7879649","url":null,"abstract":"This article imports an improved multistage sphere decoding (IMSD) algorithm into the MMSE-PIC iterative structure and proposes a new joint iterative detecting structure in high order modulation MIMO systems. The IMSD algorithm is designed against the higher-order modulation system with lower complexity and near SD performance. The new structure replaces the MMSE liner detector with the IMSD detector in the first round iteration of original MMSE-PIC structure, which has better performance and lower sensitivity towards channel correlation.","PeriodicalId":224387,"journal":{"name":"2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130063283","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}
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