Results 71 to 80 of about 1,781,876 (250)

Algorithm to demodulate an electromyogram signal modulated by essential tremor

open access: yesROBOMECH Journal, 2017
Essential tremor is a disorder that causes involuntary oscillations in patients both while they are engaged in actions and when maintaining a posture. Such patients face serious difficulties in performing daily living activities such as meal movement. We
Yuya Matsumoto   +7 more
doaj   +1 more source

Ultra‐High Frequency Ultrasound Imaging and Quantification of Microvascular Flow in Xenograft Renal Cell Carcinoma in an Avian Chorioallantoic Membrane Model

open access: yesJournal of Ultrasound in Medicine, EarlyView.
Patient‐derived xenograft (PDX) tumor models initiated in avian chorioallantoic membranes (CAM) are under investigation to evaluate the effectiveness of therapeutic options with the objective of personalizing treatments. CAM PDXs paired with ultra‐high frequency ultrasound (UHFUS) imaging could potentially constitute prospective high throughput assays ...
Sara Mar   +5 more
wiley   +1 more source

Signal processing steps in the probabilistic amplitude demodulation (PAD) model.

open access: yes, 2023
Example of an amplitude modulation (AM) hierarchy derived by recursive PAD application. In the first demodulation round (left column), the data (a) are demodulated using PAD set to a fast time scale.
Yukie Nagai (6844217)   +3 more
core   +1 more source

Blind separation of asymmetric signals based on Synchrosqueezing Wavelet Transform

open access: yesMATEC Web of Conferences, 2018
A blind separation algorithm based on synchronous squeezing wavelet transform is proposed to solve the blind separation problem of single channel asymmetric signals in satellite communications.
Peng Chuang, Yang Xiaojing, Zhang Yu
doaj   +1 more source

Scalable Large Field‐of‐view 3D Photoacoustic Ultrasound Imaging With Digital Multiplexing for Human Extremities

open access: yesLaser &Photonics Reviews, EarlyView.
A digitally multiplexed, large‐aperture photoacoustic and ultrasound imaging architecture is presented to overcome the fundamental limited‐view artifact inherent in conventional arrays. By significantly broadening the structural detection coverage, this scalable platform enables high‐fidelity 3D visualization of human extremities within a single ...
Sinyoung Park   +8 more
wiley   +1 more source

Research on Fiber-Optic Strain Signal Processing Based on Demodulation Technique

open access: yes, 2010
A higher performance signal processing module is demanded because of the high sensitivity of fiber-optic sensor probe. Excellent signal processing module is expected have the function of restore the sensor signal and very little to the introduction of ...
Xiao Wei Du, Li Rong Li
core   +1 more source

Integrated Waveform Design of Radar and Communication Based on Chirp-rate Hopping Modulation [PDF]

open access: yesRadioengineering
The increasing demand for spectrum resources and the need for reducing the burden of modern electronic combat platforms have prompted the development of integrated radar and communication systems.
G. Q. Zhang   +4 more
doaj  

Transcending the Space‐Bandwidth and Lighting Trade‐Offs: A Programmable Self‐Mixing Interferometry Imager for Cross‐Scale Surface Inspection

open access: yesLaser &Photonics Reviews, EarlyView.
This work reports a laser diode‐based self‐mixing interferometry imager featuring illumination‐invariance imaging, a 500 kHz pixel rate, and an 8.77 µm lateral resolution. It also features a programmable field‐of‐view and leading space‐bandwidth product that surpasses existing technologies by an order of magnitude, enabling cross‐scale workflow ...
Zhou Su   +5 more
wiley   +1 more source

Multirate Frequency Transformations: Wideband AM-FM Demodulation with Applications to Signal Processing and Communications [PDF]

open access: yes, 2018
The AM-FM (amplitude & frequency modulation) signal model finds numerous applications in image processing, communications, and speech processing. The traditional approaches towards demodulation of signals in this category are the analytic signal approach,
Liu, Wenjing
core  

Demodulation Using Block and Data Flow Based Object Oriented Approach

open access: yes, 2020
Demodulation aims to extract message information from modulated signals. It is implemented by software using digital signal processing algorithms. Demodulation is of great importance in Communication Electronic Support systems.
Bulent Tavli   +3 more
core   +1 more source

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