نتایج جستجو برای: is angular frequency

تعداد نتایج: 7424327  

By increasing the applicability of ground-based SAR (GBSAR) systems in geoscience and remote sensing, the development and evaluation of new systems have gained attention. GBSAR systems can be utilized for monitoring areas that are hard to or cannot be seen by the airborne or spaceborne systems. Furthermore, they have better spatial and temporal resolutions and are cost-effective and easy to imp...

Journal: :Journal of neurophysiology 1996
D E Angelaki B J Hess

1. The dynamic contribution of otolith signals to three-dimensional angular vestibuloocular reflex (VOR) was studied during off-vertical axis rotations in rhesus monkeys. In an attempt to separate response components to head velocity from those to head position relative to gravity during low-frequency sinusoidal oscillations, large oscillation amplitudes were chosen such that peak-to-peak head ...

Journal: :Optics letters 2014
Fiona C Speirits Martin P J Lavery Miles J Padgett Stephen M Barnett

It is well established that light carrying orbital angular momentum (OAM) can be used to induce a mechanical torque causing an object to spin. We consider the complementary scenario: will an observer spinning relative to the beam axis measure a change in OAM as a result of their rotational velocity? Remarkably, although a linear Doppler shift changes the linear momentum of a photon, the angular...

حسن نیا, حسین, ربیعی, مریم, محتشم امیری, زهرا, کلانتری, سعید,

Introduction: Diabetes can affect organs including the oral mucosa. There is a disagreement about the prevalence of oral mucosal disease in diabetic patients. We therefore decided to investigate more about that. The aim of this study was to determine the prevalence of soft tissue pathologies by assessing burning mouth and xerostomia in diabetic patients on the basis of type of diabetes and con...

نعناکار, حسن, کاکویی, امیدرضا,

Scattering of 15N ions with the energy of Elab = 23 MeV on the CH2(Au) target is investigated.  Elastic scattering of these ions in the angular range of 7°-19° was measured by employing the silicon strip detector, “LEDA”. Using the measured scattering data, deviation of ion beam, number of incident ions on the target and differential cross sections of the 12C(15N, 15N)12C elastic scattering in ...

2014
D. Ying Z. Jin

We present how the laser diode (LD) current tuning induced intensity modulation affects the performance of an open-loop resonator fibre optic gyro (R-FOG) with sinusoidal wave modulation. The expression for the demodulation curve under intensity modulation caused by the dynamic input rotation angular rate and varied environmental factors induced resonance frequency drift is provided. Numerical ...

J Kaur P Thakur, S.B Singh

Seth’s transition theory is applied to the problems of thickness variation parameter in a thin rotating disc by finite deformation. Neither the yield criterion nor the associated flow rule is assumed here. The results obtained here are applicable to compressible materials. If the additional condition of incompressibility is imposed, then the expression for stresses corresponds to those arising ...

2005
Andrii B. Golovin Sergij V. Shiyanovskii Oleg D. Lavrentovich

In order to develop a fine angular beam steering technique (milliradian and less), we propose a nematic liquid crystal cell with a continuous gradient of the refractive index. This continuous gradient is controlled by applying the driving voltage to non-patterned indium-tin oxide electrodes. We employed the dual-frequency nematic liquid crystal in the cell with high pretilt alignment. The exper...

Journal: :Journal of The Optical Society of America B-optical Physics 2021

Frequency-angular distributions for THz emission in the range of 0.1 - 3 generated a single-color laser filament plasma situated both under and without electrostatic field are first time experimentally studied. The angular distribution various spectral components this is demonstrated to differ significantly. maximal propagation angles these grow up electric field, low-frequency depending signif...

2002
M. Tucci E. Carretti S. Cecchini L. Nicastro R. Fabbri

We study the angular power spectra of the polarized component of the Galactic synchrotron emission in the 28–deg Test Region of the Southern Galactic Plane Survey at 1.4 GHz. These data were obtained by the Australia Telescope Compact Array and allow us to investigate angular power spectra down to arcminute scales. We find that, at this frequency, the polarization spectra for E– and B–modes see...

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