Results 21 to 30 of about 2,813,006 (349)
He jishu, 2023 BackgroundThe calculation error of the stacked pulse amplitude generated by traditional pulse shaping methods leads to distortion in the X-ray fluorescence spectrum; thus, it is difficult to accurately analyze the spectrum measured in a high-stacking ...
TANG Lin +4 more
doaj +1 more source
Simulation study on time resolution optimization of silicon drift detector
He jishu, 2021 BackgroundThe silicon drift detector (SDD) has been widely used in space exploration in recent years. The SDD has outstanding energy resolution, but its time resolution is not very satisfactory.
YU Nian +5 more
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Relationship of Ocular Pulse Amplitude with Eye Structures and Systemic Blood Pressure
Türk Oftalmoloji Dergisi, 2011 Pur po se: To assess the relationship of ocular pulse amplitude with eye structures and systemic blood pressure in healthy subjects. Ma te ri al and Met hod: Fifty-one healthy subjects were included in the study.
Ebru Nevin Çetin +4 more
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Scalar field collapse in three-dimensional AdS spacetime [PDF]
, 2000 We describe results of a numerical calculation of circularly symmetric scalar field collapse in three spacetime dimensions with negative cosmological constant. The procedure uses a double null formulation of the Einstein-scalar equations. We see evidence
Banados M +19 more
core +2 more sources
Nonlinear dynamics of mode-locking optical fiber ring lasers [PDF]
, 2002 We consider a model of a mode-locked fiber ring laser for which the evolution of a propagating pulse in a birefringent optical fiber is periodically perturbed by rotation of the polarization state owing to the presence of a passive polarizer.
Kim, Arnold D. +3 more
core +2 more sources
Ocular pulse amplitude in diabetes mellitus [PDF]
British Journal of Ophthalmology, 2000 The influence of diabetes mellitus on ocular pulse amplitude (OPA), an indirect measure of choroidal perfusion, is unclear.OPA, using the Langham ocular blood flow (OBF) system, applanation intraocular pressure (IOP), systemic blood pressure (BP), heart rate, and haemoglobin (Hb) A(1c) were measured in patients with insulin dependent diabetes mellitus (
K G, Schmidt +3 more
openaire +2 more sources
Extraction method of wide-band phased array radar signals based on pulse amplitude characteristic
The Journal of Engineering, 2019 Wide-band phased array radar is the primary focus in electronic countermeasure reconnaissance, and prior extraction of such radar signals in the interleaved pulse data intercepted by the receiver has important military significance.
Meng Xianghao, An Yongwang, Li Pengyong
doaj +1 more source
Optimized amplitude modulated multiband RF pulse design [PDF]
Magnetic Resonance in Medicine, 2017 PurposeMultiband pulses are characterized by highly temporally modulated waveforms. Rapid phase or frequency modulation can be extremely demanding on the performance of radiofrequency (RF) pulse generation, which can lead to errors that can be avoided if pulses are restricted to amplitude modulation (AM) only.
Abo Seada, Samy +3 more
openaire +5 more sources
Nanomaterials, 2023 A full understanding of the impact of charge trapping on the memory window (MW) of HfO2-based ferroelectric field effect transistors (FeFETs) will permit the design of program and erase protocols, which will guide the application of these devices and ...
Jianjian Wang +5 more
doaj +1 more source
Ocular pulse amplitude and retina nerve fiber layer thickness in migraine patients without aura
BMC Ophthalmology, 2016 BackgroundTo evaluate the ocular pulse amplitude (OPA), the posterior pole asymmetry analysis (PPAA), the peripapillary retinal nerve fiber layer (RNFL) thickness, the ganglion cell layer (GCL) thickness, macular thickness and visual field testing in ...
S. Acer +6 more
semanticscholar +1 more source