Results 31 to 40 of about 88,175,373 (256)
Interferometric Closure Phase Uncertainties in the Low Signal-to-noise Ratio Regime [PDF]
The Astronomical Journal, 2020 Abstract Closure phases are critical in astronomical interferometry. However, their uncertainties are difficult to compute numerically. We provide a method to efficiently compute interferometric closure phase distributions in terms of an approximate distribution that is valid in the low signal-to-noise ratio regime. This is done by first
Pierre Christian, Dimitrios Psaltis
openaire +2 more sources
Noise and signal modeling of various VCSEL structures [PDF]
, 2004 Current evolution in Datacoms and Gigabit Ethernet have made 850nm Vertical Cavity Surface Emitting Lasers(VCSEL) the most important and promising emitter.
Perchoux, Julien +7 more
core +1 more source
Optimal signal discrimination in a Low signal-to-noise ratio environment [PDF]
2011 IEEE International Symposium of Circuits and Systems (ISCAS), 2011 Energy measurements from calorimeter information are very important for particle detection in high-energy physics experiments. Calorimeters have a very good energy resolution, but some interesting particles produce a signal rather close to electronic noise values.
openaire +1 more source
, 2023 With the introduction of information theory in the middle of the 20th century, the concept of noise came to be contrasted with signal. The exhibition Noise to Signal mainly consists of two projects that highlight the relative nature of these terms.
Sandqvist, Joakim,, Lund University.
core
Signal-to-noise-ratio of the central bile ducts on T2 MRCP and T1 3D MRC.
, 2018 Signal-to-noise-ratio of the central bile ducts on T2 MRCP and T1 3D MRC.
Marcus Richard Makowski (5721284) +7 more
core +1 more source
Improving photoacoustic imaging in low signal-to-noise ratio by using spatial and polarity coherence
Photoacoustics, 2022 To suppress the noise and sidelobe of photoacoustic images, a method is proposed combined with spatial coherence and polarity coherence. In this method, PA signals are delayed, multiplied, then performed polarity coherence, and finally summed.
Qiuqin Mao +4 more
doaj +1 more source
Development of Low-noise Preamplifier for Low-field NMR
Chinese Journal of Magnetic ResonanceNuclear magnetic resonance (NMR) technology enables the acquisition of multi-scale molecular dynamics by characterizing the variation of relaxation times under different magnetic field conditions, thereby offering a critical detection methodology for ...
LI Keyan +5 more
doaj +1 more source
Signal-to-noise ratio is improved by combining tellurium channels.
, 2019 (a) Combination of 125Te, 126Te, 128Te, and 130Te images. The signal and noise regions are defined arbitrarily based on knowledge of the tissue of interest. Single isotope images may have either low signal (e.g. 125Te) or high noise (e.g. 130Te).
Jay Bassan (7339763), Mark Nitz (208005)
core +1 more source
Compact conversion and cyclostationary noise modelling of pn junction diodes in low-injection - Part II: Discussion [PDF]
, 2004 Starting from the compact conversion and cyclostationary pn diode noise model presented in the companion paper, we present an extensive validation based on comparisons with physics-based numerical simulations.
Bonani, Fabrizio +2 more
core +1 more source
Investigating transcription factor dynamics in health and disease using FRAP
FEBS Letters, EarlyView.FRAP analysis of GFP‐tagged transcription factors reveals how molecular mobility and target engagement change in response to drug treatment. By combining live‐cell imaging, quantitative model fitting, and statistical analysis, this approach uncovers transcription factor dynamics linked to disease mechanisms, providing a powerful framework for ...
Kannan Govindaraj +3 more
wiley +1 more source