A Low-Complexity Multistage Polyphase Filter Bank For Wireless Microphone Detection in CR
Sign Up to like & getrecommendations! Published in 2017 at "Circuits, Systems, and Signal Processing"
DOI: 10.1007/s00034-016-0358-8
Abstract: In this paper, we propose a low-complexity multistage polyphase filter bank for the detection and estimation of center frequency of wireless microphone (WM) in television channels for cognitive radios. The detection precision is directly related… read more here.
Keywords: estimation; detection; complexity; center frequency ... See more keywords
Analysis of Center Frequency Effect on Damping Parameters Estimation Using Continuous Wavelet Transform
Sign Up to like & getrecommendations! Published in 2021 at "Ksce Journal of Civil Engineering"
DOI: 10.1007/s12205-021-1255-7
Abstract: This paper aims to improve the use of continuous wavelet transform (CWT) to identify the damping parameters from the free decay responses of structures. Numerical response functions (impulse response functions) were simulated with lower frequencies… read more here.
Keywords: wavelet; continuous wavelet; damping parameters; center frequency ... See more keywords
Research on Feature Extraction of Ship-Radiated Noise Based on Compressed Sensing and Center Frequency
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3113042
Abstract: In the field of underwater acoustic signal processing, the ship radiated noise contains a large amount of ship information, which is of great significance to the ship identification. The traditional method relies too much on… read more here.
Keywords: ship; ship radiated; feature extraction; center frequency ... See more keywords
Tunable Center Frequency Negative Group Delay Filter Using Coupling Matrix Approach
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2016.2629985
Abstract: In this letter, a negative group delay filter (NGDF) with tunable center frequencies is presented. The proposed filter is designed using finite unloaded-Qu resonators based on the coupling matrix approach. The proposed NGDF does not… read more here.
Keywords: center frequency; filter; group delay; negative group ... See more keywords
Bearing fault diagnosis method based on complete center frequency distribution feature
Sign Up to like & getrecommendations! Published in 2023 at "Structural Health Monitoring"
DOI: 10.1177/14759217231166843
Abstract: Considering the difficulty of selecting sensitive fault features in bearing health diagnosis, a fault diagnosis method based on complete center frequency distribution feature (CCFDF) is proposed. By making full use of the sensitivity of the… read more here.
Keywords: diagnosis; distribution; center frequency; fault ... See more keywords
Design and Fabrication of a MEMS Bandpass Filter with Different Center Frequency of 8.5–12 GHz
Sign Up to like & getrecommendations! Published in 2023 at "Micromachines"
DOI: 10.3390/mi14020280
Abstract: The design simulation and fabrication results of a bandpass filter based on micro-electro-mechanical system (MEMS) switches are presented in this paper. The MEMS filter element consists of a MEMS capacitance switch and two resonant rings… read more here.
Keywords: design; ghz; center frequency; filter ... See more keywords