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elevation angles

Planar covariation of limb elevation angles during bipedal locomotion in common quails (Coturnix coturnix)

Planar covariation of limb elevation angles during bipedal locomotion in common quails (Coturnix coturnix)

... Birds are also exclusively bipedal when they are on the ground. Birds evolved from theropod dinosaur ancestors who are considered to be exclusively bipedal (e.g. Hutchinson and Gatesy, 2001). The history of bipedal ...

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Open-loop GPS signal tracking at low elevation angles from a ground-based observation site

Open-loop GPS signal tracking at low elevation angles from a ground-based observation site

... space by a predefined offset. We note, however, that other causes certainly contribute to the observed refractivity bias as well (see e.g. Gorbunov et al., 2015; Sokolovskiy et al., 2010, and references therein). Since ...

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Forewing asymmetries during auditory avoidance in flying locusts

Forewing asymmetries during auditory avoidance in flying locusts

... the elevation angles of the forewings during the downstroke, whereas the hindwings remained relatively symmetrical during the downstroke; (2) the magnitude and direction of abdomen deflection correlate ...

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2D DOA estimation with sparse uniform circular arrays in the presence of mutual coupling

2D DOA estimation with sparse uniform circular arrays in the presence of mutual coupling

... and elevation angles estimates via a manifold decomposition ...the elevation space to obtain the elevation estimates in ...the elevation space. In the 1D parameter search for ...

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Investigating differences in DOAS retrieval codes using MAD-CAT campaign data

Investigating differences in DOAS retrieval codes using MAD-CAT campaign data

... Spectra recorded by the IUPB MAX-DOAS instrument on 18 June 2013 during MAD-CAT were distributed to part- ners. It is worth mentioning that this intercomparison ex- ercise was not restricted to groups participating in ...

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Dielectric Loading for Bandwidth Enhancement of Ultra-Wide Band Wire Monopole Antenna

Dielectric Loading for Bandwidth Enhancement of Ultra-Wide Band Wire Monopole Antenna

... of S 11 . Also, the simulated radiation pattern of loaded antennas with lossy dielectric exhibits omnidirectional characteristics at low elevation angles in the observed frequency range, which is not the ...

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Two Uniform Linear Arrays for Non-Coherent and Coherent Sources for Two Dimensional Source Localization

Two Uniform Linear Arrays for Non-Coherent and Coherent Sources for Two Dimensional Source Localization

... and elevation angles for varying SNR with the proposed QR-2D DOA method and the Matrix Pencil estimation method. The figure shows estimation accuracy of the proposed methods for the 2D-DOA estimates of both ...

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Parameterizing radiative transfer to convert MAX-DOAS dSCDs into near-surface box-averaged mixing ratios

Parameterizing radiative transfer to convert MAX-DOAS dSCDs into near-surface box-averaged mixing ratios

... ping of the lowest elevation angles can be seen clearly. Fig- ure 7a shows the corresponding mixing ratio time series of MAX-DOAS in south direction for the same days. Thereby only dSCDs were used that ...

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Nigeria in Space and a Satellite Dynamic Server

Nigeria in Space and a Satellite Dynamic Server

... In this paper, we discuss the efforts made so far in space science and technology in Nigeria, and also discuss what should be done now that she has registered her footprint in space and demonstrated her full commitments ...

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Long-term observations minus background monitoring of ground-based brightness temperatures from a microwave radiometer network

Long-term observations minus background monitoring of ground-based brightness temperatures from a microwave radiometer network

... mation content residing in the PBL. MWR channels near the 60 GHz oxygen complex are used to retrieve temperature profiles, while channels near the 22.235 GHz water vapour line provide humidity and integrated water vapour ...

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Geometrical Correction for Cell Deployment in Stratospheric Cellular Systems

Geometrical Correction for Cell Deployment in Stratospheric Cellular Systems

... when using phased arrays that is the increase in beamwidths for cells of lower elevation angles (i.e., the outer cells) which flatten that cells. In the cellular design, we must have the teletraffic ...

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SYMMETRIC CRYPTOGRAPHY KEYS MANAGEMENT FOR 6LOWPAN NETWORKS

SYMMETRIC CRYPTOGRAPHY KEYS MANAGEMENT FOR 6LOWPAN NETWORKS

... The following procedure constructs the 2D frame for the camera view: Step 1: given the , , coordinates for all points, find the azimuth and elevation angles , shown in Figure 2.. Step 2:[r] ...

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Design of space plasma analysers by computer simulation

Design of space plasma analysers by computer simulation

... - elevation angle distribution has a typical form as those shown in Figure ...and elevation angle on input into the analyser put them inside of this enclosed area will make it to the detector, otherwise at ...

237

DOA estimation, antenna arrays, array signal processing.

DOA estimation, antenna arrays, array signal processing.

... Since element position error yields an equivalent phase error, the system imperfection can be lumped into a total equivalent phase error. Figure 15 shows the DOA estimation variance of seven element array when a single ...

6

Fast 2-D DOA and Polarization Estimation Using Arbitrary Conformal Antenna Array

Fast 2-D DOA and Polarization Estimation Using Arbitrary Conformal Antenna Array

... Abstract—A fast and simple parameter estimation algorithm, joint azimuth angles, elevation angles and polarization parameters of incident sources for an arbitrary conformal array is proposed. Based ...

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GNSS avionics based integrity augmentation for RPAS detect and avoid applications

GNSS avionics based integrity augmentation for RPAS detect and avoid applications

... Abstract: Taking the move from our recent research on GNSS Avionics Based Integrity Augmentation (ABIA), this article investigates the synergies of ABIA with a novel Detect-and-Avoid (DAA) architecture for Remotely ...

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A Hat Shaped Folded Patch Antenna for Advanced S-Band Wireless Communication

A Hat Shaped Folded Patch Antenna for Advanced S-Band Wireless Communication

... Results of the simulation electrical parameters and characteristics of antenna has been confirmation by measurements. Measurements of patch antenna can be stated that the selected antenna is characterized by good ...

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Perisian Multimedia Berasaskan Cd-Rom Bertajuk Angles Of Elevation And Depression Matematik Tingkatan 4 Berdasarkan Teori Kecerdasan Pelbagai

Perisian Multimedia Berasaskan Cd-Rom Bertajuk Angles Of Elevation And Depression Matematik Tingkatan 4 Berdasarkan Teori Kecerdasan Pelbagai

... Perisian multimedia bertajuk Angles of Elevation and Depression ini telah dibangunkan berdasarkan model rekabentuk Hannafin & Peck. Model ini mengandungi tiga fasa utama iaitu Fasa Analisa Keperluan, ...

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Pembangunan E-Pembelajaran Berasakan MOODLE Bagi Tajuk Mathematical Reasoning
Dan Angles Of Elevation And Depression Matematik Tingkatan Empat

Pembangunan E-Pembelajaran Berasakan MOODLE Bagi Tajuk Mathematical Reasoning Dan Angles Of Elevation And Depression Matematik Tingkatan Empat

... Abstrak : Teknologi e-pembelajaran telah berkembang pesat sehingga mempengaruhi pendidikan di peringkat rendah hingga institusi pengajian tinggi. Untuk melaksanakan e-pembelajaran secara efektif, projek ini telah memilih ...

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Simulation Study on DOA Estimation using ESPRIT Algorithm

Simulation Study on DOA Estimation using ESPRIT Algorithm

... high elevation angle, there are some critical azimuths angles that yield a very large estimation ...azimuth angles, the received data vectors are very ...

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