Results 211 to 220 of about 12,450 (260)
Geometrical multiscale tortuosity of desert ant walking trajectories.
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South African Geographical Journal, 1986
Abstract The 45 km stretch of coastline between Mapelane and Cape Vidal is an offset coastline which is subject to a dominant wave attack from the south-east. This section of coastline is characterized by long stretches of sandy beach alternating with rocky headlands.
June Meeuwis, P.A.J. Van Rensburg
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Abstract The 45 km stretch of coastline between Mapelane and Cape Vidal is an offset coastline which is subject to a dominant wave attack from the south-east. This section of coastline is characterized by long stretches of sandy beach alternating with rocky headlands.
June Meeuwis, P.A.J. Van Rensburg
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Approximation of logarithmic spirals
Computer Aided Geometric Design, 1997zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Baumgarten, Christoph, Farin, Gerald
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Review on logarithmic spiral bevel gear
Journal of the Brazilian Society of Mechanical Sciences and Engineering, 2020Logarithmic spiral bevel gear (LSBG) has received increasing attention among industry and academy in the past four decades. This paper attempts to survey and summarize the recent research and development of LSBG, provides comprehensive references for researchers concerning with this topic and helps them identify further research topics.
Jianfeng Jiang +4 more
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The Mathematics Teacher, 1974
This article will be of interest to teachers of analytic geometry. It points out some interesting properties of the logarithmic spiral and cites two examples from physics where this spiral finds applications.
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This article will be of interest to teachers of analytic geometry. It points out some interesting properties of the logarithmic spiral and cites two examples from physics where this spiral finds applications.
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THz s-SNOM Imaging Of Logarithmic Spiral Antennas
2021 46th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz), 2021Probing the near-field of photonic components at sub-wavelength scale is of high interest to improve the design of future THz devices. We report on the THz near-field imaging of logarithmic spiral antennas by scattering-type scanning near-field optical microscopy (s-SNOM).
Santos, C. +6 more
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Logarithmic-spiral focusing monochromator
Review of Scientific Instruments, 1976A crystal monochromator with a logarithmic-spiral curvature has been designed as part of a low-angle x-ray diffraction camera that uses synchrotron radiation emanating from the storage ring SPEAR at Stanford Linear Accelerator Center. The logarithmic-spiral curvature allows a greater demagnification of the source than is permitted by a cylindrical ...
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Zetaform or logarithmic spiral beach
Australian Geographer, 1978(1978). Zetaform or logarithmic spiral beach. Australian Geographer: Vol. 14, No. 1, pp. 44-45.
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Plane logarithmic spiral with peripheral excitation
Radiophysics and Quantum Electronics, 1990In a planar logarithmic spiral excited at its periphery there simultaneously exist surface, quasieffluent, and radiated waves; the phase velocities of surface and quasieffluent waves are identical and depend on the reduced radius kρ, which defines the regions of normal and anomalous dispersion; in the region kρ∼n the surface wave transforms to a ...
S. N. Boiko, K. P. Yatsuk
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Flying Along a Logarithmic Spiral
Science, 2000ORGANISMAL BIOLOGY Peregrine falcons use two high performance skills—flight speed and visual acuity—to attack their prey. In a trio of papers, Tucker and his colleagues model the quantitative aspects of aerodynamic drag, assess the optimal integration of speed and sight, and present field observations of falcon flight.
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