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
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
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
A Novel Method for 3-D Millimeter-Wave Holographic Reconstruction Based on Frequency Interferometry Techniques
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2017.2772862
Abstract: A novel interferometry technique is proposed and introduced into active millimeter-wave (MMW) holography. Different from optical holographic interferometry, which relies on a reference light source or the interferometric synthetic aperture radar where data from apertures… read more here.
Keywords: reconstruction; interferometry; millimeter wave; frequency interferometry ... See more keywords
High Ranging Accuracy and Wide Detection Range Interferometry Based on Frequency-Sweeping Technique With Vital Sign Sensing Function
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2018.2854177
Abstract: In this paper, an interferometry-based frequency-sweeping technique has been developed and demonstrated. With this approach, the distance ambiguity problem in the traditional interferometer is solved. The relationship involving the used carrier number, noise and standing… read more here.
Keywords: detection; frequency sweeping; frequency; interferometry based ... See more keywords
Beyond Homophily and Homogeneity Assumption: Relation-Based Frequency Adaptive Graph Neural Networks.
Sign Up to like & getrecommendations! Published in 2023 at "IEEE transactions on neural networks and learning systems"
DOI: 10.1109/tnnls.2022.3230417
Abstract: Graph neural networks (GNNs) have been playing important roles in various graph-related tasks. However, most existing GNNs are based on the assumption of homophily, so they cannot be directly generalized to heterophily settings where connected… read more here.
Keywords: neural networks; based frequency; frequency adaptive; relation based ... See more keywords
Long-haul coherent communications using microresonator-based frequency combs.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.026678
Abstract: Microresonator-based frequency combs are strong contenders as light sources for wavelength-division multiplexing (WDM). Recent experiments have shown the potential of microresonator combs for replacing a multitude of WDM lasers with a single laser-pumped device. Previous… read more here.
Keywords: frequency combs; microresonator; long haul; microresonator based ... See more keywords