Results 1 to 10 of about 286,663 (267)
Performance analysis of multi-rate signal processing digital filters on FPGA [PDF]
EURASIP Journal on Wireless Communications and Networking, 2019 Multi-rate signal processing, an important part of the design of a digital frequency converter, is realized mainly based on interpolation and decimation, which match the sampling rate between the baseband and high-frequency processing side, especially in
Qingfeng Jing, Yujia Li, Jincheng Tong
doaj +2 more sources
Multi-stage decimation with hybrid CIC-polyphase filtering for IoT gateway sample rate conversion [PDF]
Scientific ReportsIn real-time digital signal processing, the multirate transformation is a commonly used technique for interpolation and decimation. Comb-based decimation filters are used in wireless applications because of their minimal complexity and effective alias ...
Swetha Pinjerla +2 more
doaj +2 more sources
SSVEP-EEG Feature Enhancement Method Using an Image Sharpening Filter
IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2022 Steady-state visual evoked potential (SSVEP) is widely used in brain computer interface (BCI), medical detection, and neuroscience, so there is significant interest in enhancing SSVEP features via signal processing for better performance.
Wenqiang Yan +3 more
doaj +1 more source
Features of the quasi-optimal discrete signal processing [PDF]
Радиофизика и электроника, 2019 Subject and Purpose. The subject of the research is a digital signal processing system of a radar, consisting of an input filter, an analog-to-digital converter and a processor that implements an algorithm for detecting of information signal in ...
O.V. Sytnik
doaj +1 more source
Signal acquisition and processing method for capacitive electromagnetic flowmeter
Journal of Electronic Science and Technology, 2021 A kind of signal acquisition circuit and the related signal processing method of the capacitance electromagnetic flowmeter were introduced. The circuit can eliminate the influence of distributed capacitance on the input impedance of the operational ...
Hong-Yu Yang, Yan Chen, Hui Zhao
doaj +1 more source
A Time-Mode PWM 1st Order Low-Pass Filter
Journal of Low Power Electronics and Applications, 2023 In this work, a first-order low-pass filter is proposed as suitable for time-mode PWM signal processing. In time-mode PWM signal processing, the pulse width of a rectangular pulse is the processing variable.
Konstantinos P. Pagkalos +2 more
doaj +1 more source
IEEE Access, 2021 Improving the technical characteristics of digital signal processing devices is an important problem in many practical tasks. The paper proposes the architecture of a device for two-dimensional filtering in a residue number system (RNS) with moduli of a ...
Maria Valueva +3 more
doaj +1 more source
The Ensemble Kalman filter: a signal processing perspective
EURASIP Journal on Advances in Signal Processing, 2017 The ensemble Kalman filter (EnKF) is a Monte Carlo-based implementation of the Kalman filter (KF) for extremely high-dimensional, possibly nonlinear, and non-Gaussian state estimation problems.
Michael Roth +3 more
doaj +1 more source
Method of Range Ambiguity Suppression Combining Sparse Reconstruction and Matched Filter
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 Synthetic aperture radar (SAR) images are often affected by range ambiguity due to antenna sidelobe characteristics and pulse operating mechanism. The work of range ambiguity suppression focuses on both SAR system design and signal processing. On the one
Meng Qi +4 more
doaj +1 more source
A Frequency-Correcting Method for a Vortex Flow Sensor Signal Based on a Central Tendency
Sensors, 2020 A vortex flow meter employs a sensor based on the piezoelectric vibration principle to realize vortex signal acquisition, and therefore the measurement results are susceptible to vibration noise.
Bin Li, Chengyi Wang, Jie Chen
doaj +1 more source