Results 171 to 180 of about 1,070 (198)
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A Computation Effective Range-Based 3D Mapping Aided GNSS with NLOS Correction Method

Journal of Navigation, 2020
Global navigation satellite system (GNSS) positioning in dense urban areas remains a challenge due to the signal reflection by buildings, namely multipath and non-line-of-sight (NLOS) reception. These effects degrade the performance of low-cost GNSS receivers such as in those smartphones.
Hoi-Fung Ng, Guohao Zhang, Li-Ta Hsu
openaire   +2 more sources

Integrated NMR and Computational Study of Push–Pull NLO Probes: Interplay of Solvent and Structural Effects

The Journal of Physical Chemistry A, 2011
In this study we combined QM calculations and NMR measurements to understand at a detailed level the complex interplay of structural/electronic properties with the effects of the solvent in the NLO activity of push-pull systems, quantified in terms of variations of the static hyperpolarizability.
A. MARINI   +4 more
openaire   +2 more sources

Quantum chemical computations, vibrational spectroscopic studies, NLO and NBO/NLMO analysis of o-chlorobenzohydrazide

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 2014
The molecular vibrations of o-chlorobenzohydrazide (OCBH) have been investigated in polycrystalline sample, at room temperature, by recording Fourier transform infrared (FT-IR) and FT-Raman spectroscopies. The complete vibrational assignment and analysis of the fundamental modes was carried out using the experimental data and quantum chemical studies ...
E, Gobinath, R John, Xavier
openaire   +2 more sources

Quantum chemical computation by DFT application of NLO molecule 2-aminopyridinium p-toluenesulphonate

Pramana, 2017
In the present work, we have reported a theoretical study on molecular structure and vibrational spectra of organic nonlinear optical 2-aminopyridinium p-toluenesulphonate (APPTS). The molecular geometry, electrostatic potential surface and vibrational wave numbers with Raman intensities and infrared absorption intensities in the ground state have been
Mahesh Pal Singh Yadav, Anuj kumar
openaire   +1 more source

Spectroscopic Investigations and Quantum Chemical Computations of NLO Material Bis (4-Nitrophenyl) Carbonate

AIP Conference Proceedings, 2008
NIR FT‐Raman and FT‐IR spectra of the non linear optic (NLO) material, Bis (4‐Nitrophenyl) carbonate (BNPC) have been recorded and analyzed. Ab initio quantum chemical computations have been performed at HF/6‐31G(d) level to compute the optimized geometry, vibrational wavenumbers, intensities and first hyperpolarizability.
Pillai Indu Ramachandra   +5 more
openaire   +1 more source

Origin of the Bulk Effect on the NLO Property of P-terphenyl Microcrystalline Structure – Computer Simulations

Computing Letters, 2007
The effect of environment on the nonlinear optical (NLO) property of p-terphenyl is discussed. The performed study is mainly devoted to the simulations of the photoinduced optical second harmonic generation (SHG) and comparison of the obtained data to the literature experimental results.
openaire   +1 more source

Design and computational study of the novel nano-buds of C20@C60 with high NLO properties

Journal of Molecular Structure, 2023
Farhad Rezaei, Hamid Reza Shamlouei
openaire   +1 more source

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