A Jacobian‐based frequency‐sweeping approach for constructing stability crossing curves of systems with two delays
Sign Up to like & getrecommendations! Published in 2025 at "Asian Journal of Control"
DOI: 10.1002/asjc.3601
Abstract: This paper introduces a novel Jacobian‐based frequency‐sweeping approach for constructing a stability map on a delay plane for linear time‐invariant (LTI) systems with two delays. It is demonstrated that by imposing a zero Jacobian condition… read more here.
Keywords: crossing curves; stability crossing; jacobian based; stability ... See more keywords
A CMOS blood cancer detection sensor based on frequency deviation detection
Sign Up to like & getrecommendations! Published in 2017 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-017-1008-1
Abstract: This paper proposes a technique to detect Leukaemia (blood cancer) based on the frequency modulation of a relaxation oscillator by changes in the dielectric constant of blood cells. A novel 16-bit frequency detector with a… read more here.
Keywords: detection; frequency; blood cancer; blood ... See more keywords
PAPR assisted FFT-based frequency offset estimation for 32-QAM coherent optical systems
Sign Up to like & getrecommendations! Published in 2020 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.102126
Abstract: Abstract This paper presents a peak to average power ratio (PAPR) assisted non-data aided feedforward fast Fourier transform (FFT)-based frequency offset (FO) estimation algorithm for 32-ary quadrature amplitude modulation (32-QAM) coherent optical systems. In our… read more here.
Keywords: offset estimation; estimation; fft based; papr assisted ... See more keywords
VO2 memristor-based frequency converter with in-situ synthesize and mix for wireless internet-of-things
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DOI: 10.1038/s41467-024-45923-7
Abstract: Wireless internet-of-things (WIoT) with data acquisition sensors are evolving rapidly and the demand for transmission efficiency is growing rapidly. Frequency converter that synthesizes signals at different frequencies and mixes them with sensor datastreams is a… read more here.
Keywords: frequency converter; vo2; synthesize mix; based frequency ... See more keywords
A graphene based frequency quadrupler
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep46605
Abstract: Benefit from exceptional electrical transport properties, graphene receives worldwide attentions, especially in the domain of high frequency electronics. Due to absence of effective bandgap causing off-state the device, graphene material is extraordinarily suitable for analog… read more here.
Keywords: frequency quadrupler; graphene based; frequency; graphene ... See more keywords
Differential Probe Fed Liquid Crystal-Based Frequency Tunable Circular Ring Patch Antenna
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Access"
DOI: 10.1109/access.2017.2786870
Abstract: A differential probe-fed liquid crystal (LC)-based frequency tunable circular-ring patch antenna is presented. Besides, cavity model is extended to analyze the LC-based antenna for the differential operation. According to the cavity model, the permittivity and… read more here.
Keywords: fed liquid; probe fed; liquid crystal; based frequency ... See more keywords
DFT-Based Frequency Estimation of Multiple Sinusoids
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3145913
Abstract: An accurate frequency estimation method of multi-component sinusoidal signal in additive white Gaussian noise (AWGN) is proposed. The algorithm is implemented in the frequency domain and based on discrete Fourier transform (DFT). The maximum DFT… read more here.
Keywords: dft based; based frequency; frequency; estimation ... See more keywords
Semi-Supervised Change Detection With Fourier-Based Frequency Transformation
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing"
DOI: 10.1109/jstars.2024.3414452
Abstract: Semisupervised change detection (CD) methods have garnered increasing attention due to their capacity to alleviate the dependency of fully-supervised methods on a large number of pixel-level labels. These methods predominantly leverage generative adversarial network architecture… read more here.
Keywords: change detection; fourier based; frequency transformation; based frequency ... See more keywords
Insights Into the MMSE-Based Frequency-Invariant Beamformers for Uniform Circular Arrays
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2022.3224687
Abstract: This letter provides new insights into the minimum mean square error (MMSE)-based frequency-invariant beamformer with the uniform circular array (FIB-UCA). By exploiting the symmetry of the UCA, we derive an explicit form of the white… read more here.
Keywords: mmse based; inline formula; based frequency; tex math ... See more keywords
Convex Synthesis of SNI Controllers Based on Frequency-Domain Data: MEMS Nanopositioner Example
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Control Systems Technology"
DOI: 10.1109/tcst.2021.3080577
Abstract: We report a procedure to design fixed-structure strictly negative imaginary (SNI) controllers for collocated, highly resonant systems based on frequency response data. We formulate the problem in a two-input two-output (TITO) framework that includes robustness… read more here.
Keywords: based frequency; mems nanopositioner; frequency; synthesis ... See more keywords
Robust Modeling for Industrial Process Based on Frequency Reconstructed Fuzzy Neural Network
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Transactions on Fuzzy Systems"
DOI: 10.1109/tfuzz.2023.3291488
Abstract: The model bias caused by input outliers is a dramatic obstacle to the application of models in industrial processes. To cope with this problem, this article proposes a robust modeling method based on frequency reconstructed… read more here.
Keywords: fuzzy neural; robust modeling; reconstructed fuzzy; based frequency ... See more keywords