Showing 541 - 560 results of 8,276 for search '"sense"', query time: 0.10s Refine Results
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    A Variable Weight Privacy-Preserving Algorithm for the Mobile Crowd Sensing Network by Jiezhuo Zhong, Wei Wu, Chunjie Cao, Wenlong Feng

    Published 2017-01-01
    “…Mobile crowd sensing (MCS) network collects scenario, environmental, and individual data within a specific range via the intelligent sensing equipment carried by the mobile users, thus providing social decision-making services. …”
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  8. 548

    An efficient spectrum sensing of mixed kernel SVM based on sampling covariance matrix by Jianyuan NIE, Jianrong BAO, Bin JIANG, Chao LIU, Fang ZHU, Jianhai HE

    Published 2019-11-01
    “…In recent years,with the blind detection algorithms were proposed,more and more blind algorithms based on sampling covariance matrix were applied to spectrum sensing.The detection threshold was an approximation,and the detection performance would be affected for this algorithms.Thus,the mixed kernel function support vector machine (SVM) efficient spectrum sensing based on sampling covariance matrix was proposed.The statistics which were maximum minimum eigenvalue (MME) and covariance absolute value (CAV) of sensing signal sampling covariance matrices were used as the feature vectors of SVM and were trained to generate a spectrum sensing classifier.The advantage of this algorithm was that it needn’t calculate the detection threshold and the extraction of features reduces size of the sample set.The genetic algorithm (GA) was used to optimize the parameters of mixed kernel function SVM algorithm.The experimental results show that the proposed method has higher detection probability than MME and CAV algorithms,and has less sensing time than SVM,which has good practicability.…”
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    Electrochemical Sensing of Nicotine Using Laser-Induced Graphene Screen-Printed Electrode by Balqis Nurnadia Badrol Hisham, Rosminazuin Ab. Rahim, Anis Nurashikin Nordin, Aliza Aini Md Ralib, Nor Farahidah Za'bah, Lun Hao Tung, Zainiharyati Mohd Zain

    Published 2025-01-01
    “…The proposed electrochemical sensing of nicotine using a laser-induced graphene screen printed electrode can detect nicotine with high linearity at different pH levels of PBS buffer solution. …”
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  12. 552

    Automatic Task Planning and Its On-Orbit Verification of Agile Remote Sensing Satellite by Zhang Yahang, Yang Haiyue, Yang Mengfei, Yang Ruochu, Leng Shuhang

    Published 2023-01-01
    “…An on-board autonomous task planning system is designed and implemented in this article, aiming at the problem that the current remote sensing satellite needs complex instruction support to perform tasks and depends on the ground system too much. …”
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    Human activity recognition system based on active learning and Wi-Fi sensing by Guangzhi ZHAO, Zhipeng ZHOU, Wei GONG, Shaoqing CHEN, Haoquan ZHOU

    Published 2022-03-01
    “…Human activity recognition system based on deep learning and Wi-Fi sensing has gradually become the mainstream research field and has been developed in recent years.However, related systems heavily rely on training with huge labeled samples to reach a high accuracy, which is labor-intensive and unrealistic for many real-world scenarios.To solve this problem, a system that combines active learning with Wi-Fi based human activity recognition—ALSensing was proposed, which was able to train a well-perform classifier with limited labeled samples.ALSensing was implemented with commercial Wi-Fi devices and evaluated in six real environments.The experimental results show that ALSensing achieves 52.83% recognition accuracy using 3.7% of total training samples, 58.97% recognition accuracy using 15% of total training samples, while the existing full-supervised system reaches 62.19% recognition accuracy.It demonstrates that ALSensing has a similar performance with baseline but requires much less labeled samples.…”
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    Energy efficient cooperative spectrum sensing algorithm in cognitive wireless sensor networks by Gui-cai YU, Cheng-zhi LONG, Man-tian XIANG

    Published 2015-03-01
    “…Then, the theory of sensing node selection and decision threshold setting, combined an effective cooperative spectrum sensing scheme based on decision nodes selection is researched. …”
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    Compressed Sensing Based on the Characteristic Correlation of ECG in Hybrid Wireless Sensor Network by Weiwei Li, Ting Jiang, Ning Wang

    Published 2015-10-01
    “…One of the features of WBAN is that its power consumption and sampling rate should be restricted to a minimum. Compressed sensing (CS) is an emerging signal acquisition/compression methodology which offers a prominent alternative to traditional signal acquisition. …”
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