Zobrazeno 1 - 10
of 223
pro vyhledávání: '"Huo Kai"'
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 31-35 (2021)
Carrier reuse technology is an important method to reduce the cost of Passive Optical Networks (PON) and multiplexing technology is the main method to improve the transmission capacity of PON. A PON system is designed in this paper. By combing the Su
Externí odkaz:
https://doaj.org/article/efdcc31b51e5404e820b1c733e21ed69
Accurately reconstructing dense and semantically annotated 3D meshes from monocular images remains a challenging task due to the lack of geometry guidance and imperfect view-dependent 2D priors. Though we have witnessed recent advancements in implici
Externí odkaz:
http://arxiv.org/abs/2409.14019
Publikováno v:
Leida xuebao, Vol 7, Iss 5, Pp 613-621 (2018)
Radar target classification is very important in military and civilian fields. Extreme Learning Machines (ELMs) are widely used in classification because of their fast learning speed and good generalization performance. However, because of their shal
Externí odkaz:
https://doaj.org/article/7bbfa29a099c427cb2e87e99c03cbabb
Publikováno v:
Leida xuebao, Vol 6, Iss 2, Pp 149-156 (2017)
Feature extraction is a key step in radar target recognition. The quality of the extracted features determines the performance of target recognition. However, obtaining the deep nature of the data is difficult using the traditional method. The autoen
Externí odkaz:
https://doaj.org/article/1c2d823be05147f8a13145c2075c9645
In the field of unsupervised feature selection, sparse principal component analysis (SPCA) methods have attracted more and more attention recently. Compared to spectral-based methods, SPCA methods don't rely on the construction of a similarity matrix
Externí odkaz:
http://arxiv.org/abs/2309.06202
Autor:
Huo Kai, Zhao Jingjing
Publikováno v:
Leida xuebao, Vol 5, Iss 4, Pp 361-372 (2016)
Orthogonal Frequency-Division Multiplexing (OFDM) radar is receiving increasing attention in the radar field in recent years and is showing excellent performance. However, for practical applications, there are several problems with phase-coded OFDM r
Externí odkaz:
https://doaj.org/article/88e817053a7543f88342ef2643c5bb0d
Radars, due to their robustness to adverse weather conditions and ability to measure object motions, have served in autonomous driving and intelligent agents for years. However, Radar-based perception suffers from its unintuitive sensing data, which
Externí odkaz:
http://arxiv.org/abs/2307.08233
Machine learning and deep learning classification models are data-driven, and the model and the data jointly determine their classification performance. It is biased to evaluate the model's performance only based on the classifier accuracy while igno
Externí odkaz:
http://arxiv.org/abs/2211.05433
In order to improve the ability of cognitive radar (CR) to adapt to the environment, the required ambiguity function (AF) can be synthesized by designing the waveform. The key to this problem is how to minimize the interference power. Suppressing the
Externí odkaz:
http://arxiv.org/abs/2209.03806
Publikováno v:
Fayixue Zazhi, Vol 40, Iss 2, Pp 149-153 (2024)
Objective To investigate the age-related changes of the mandibular third molar root pulp visibility in individuals in East China, and to explore the feasibility of applying this method to determine whether an individual is 18 years or older. Methods
Externí odkaz:
https://doaj.org/article/857a57008a304814a5afa91001637d70