Results 41 to 50 of about 1,191,176 (295)
Detecting Green Mold Pathogens on Lemons Using Hyperspectral Images
Applied Sciences, 2020 Hyperspectral images in the spectral wavelength range of 500 nm to 650 nm are used to detect green mold pathogens, which are parasitic on the surface of lemons.
Yuriy Vashpanov +4 more
doaj +1 more source
Temporal and Spectral Properties of Gamma-Ray Flashes [PDF]
, 2002 The temporal and spectral properties of terrestrial gamma-ray flashes (TGFs) are studied. The delay of low energy photons relative to high energy ones in the gamma-ray variations of the TGFs with high signal to noise ratio has been revealed by an ...
Chang +12 more
core +2 more sources
Inflation coupled to a Gauss-Bonnet term
, 2013 The newly released Planck CMB data place tight constraints on slow-roll inflationary models. Some of commonly discussed inflationary potentials are disfavored due mainly to the large tensor-to-scalar ratio. In this paper we show that these potentials may
Guo, Zong-Kuan +2 more
core +1 more source
Adaptive Spectral Polarization Filter Design for Dual-polarization Weather Radar
Leida xuebao, 2022 This paper proposes an adaptive filtering method called the Adaptive Moving spectral Depolarization Ratio (AMsDR) filter to mitigate the clutter for dual-polarization weather radar based on Jensen-Shannon divergence principle.
Mengyun AN +5 more
doaj +1 more source
Graphs (networks) with golden spectral ratio [PDF]
Chaos, Solitons & Fractals, 2007 We propose two new spectral measures for graphs and networks which characterize the ratios between the width of the "bulk" part of the spectrum and the spectral gap, as well as the ratio between spectral length and the width of the "bulk" part of the spectrum.
openaire +3 more sources
KARAKTERISASI KURVA HORIZONTAL-TO-VERTICAL SPECTRAL RATIO: KAJIAN LITERATUR DAN PERMODELAN
Jurnal Neutrino: Jurnal Fisika dan Aplikasinya, 2012 Metode Horizontal-to-Vertical Spectral Ratio (HVSR) dapat digunakan untuk mikrozonasi kerusakan bangunan akibat gempabumi yang disebabkan efek lokal (geologi setempat).
Sungkono, B.J. Santosa
doaj +1 more source
A Normalized Hysteretic Energy Spectrum for Energy-Based Seismic Design [PDF]
E3S Web of Conferences, 2020 To disclose the impacts of hysteretic energy (HE) demand on energy-based seismic design, this paper introduces the dimensionless parameter βEH to express the cumulative HE indirectly and establishes the βEH spectrum for energy-based seismic design. After
Ma Cuiling +5 more
doaj +1 more source
Observations of strong ground motion at hill sites in Mexico City from recent earthquakes [PDF]
Geofísica Internacional, 2003 Results of seismic response of the stations of the Acelerometric Network of Mexico City located in the hill zone are presented. Seven earthquakes from different seismic sources were analyzed, with magnitudes between 5.9 and 7.3.
F. J. Sánchez-Sesma +2 more
doaj
Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM
FEBS Letters, EarlyView.Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley +1 more source
Using spectral flux ratios to standardize SN Ia luminosities [PDF]
Astronomy & Astrophysics, 2009 We present a new method to standardize Type Ia supernova (SN Ia) luminosities to ~<0.13 magnitudes using flux ratios from a single flux-calibrated spectrum per SN. Using Nearby Supernova Factory spectrophotomery of 58 SNe Ia, we performed an unbiased search for flux ratios which correlate with SN Ia luminosity.
Bailey, S. +25 more
openaire +4 more sources