Results 261 to 270 of about 2,160,574 (295)

TOF range image sensor using a range-shift technique

2008 IEEE Sensors, 2008
In time-of-flight (TOF) range image sensors using periodical pulsed light, there is a trade-off between the maximum range and range resolution. This paper proposes a technique for improving range resolution of the TOF range image sensor using range shifting.
Tomonari Sawada, Kana Ito, Masakatsu Nakayama, Shoji Kawahito   +3 more
openaire   +1 more source

Range shift promotes the formation of stable range edges

Journal of Biogeography, 2011
AbstractAim I investigate the counter‐intuitive possibility that range shift promotes the formation of stable range edges. This might be expected because: (1) range‐shifting populations typically evolve increased dispersal on the expanding range edge; (2) increased dispersal steepens the relative slope of environmental gradients (gradients appear ...
openaire   +2 more sources

On the asymptotic range of cocyles for shifts of finite type

Ergodic Theory and Dynamical Systems, 1993
AbstractWe study the problem of lifting ergodicity to certain skew-product extensions over shifts of finite type. This can be done by computing the asymptotic range of the defining cocycle. For a class of ergodic shift-invariant measures and a class of functions (defining conservative extensions) we give a characterization of ergodicity in terms of ...
openaire   +1 more source

On the long-range hyperfine shift in HeH

Journal of Physics B: Atomic and Molecular Physics, 1973
The leading term in the asymptotic expansion of the hyperfine shift in HeH has been computed with the result Delta a(R)/a( infinity )=11.361+1.901)R-6.
P J Fortune, P R Certain
openaire   +1 more source

Frequency-shift device for the optical range

Soviet Journal of Quantum Electronics, 1977
A device is proposed for shifting the frequency in the optical range by electrooptic modulation of the phase of the radiation in accordance with a periodic sawtooth law in a lithium metaniobate crystal. The dependence of the spectral composition of the output radiation on the parameters of the modulating signal is determined.
N N Kamenskiĭ, I N Matveev, Yu V Prichko   +2 more
openaire   +1 more source

Evolutionary consequences of climate‐induced range shifts in insects

Biological Reviews, 2015
ABSTRACTRange shifts can rapidly create new areas of geographic overlap between formerly allopatric taxa and evidence is accumulating that this can affect species persistence. We review the emerging literature on the short‐ and long‐term consequences of these geographic range shifts.
Rosa A. Sánchez-Guillén, Alex Córdoba-Aguilar, Bengt Hansson, Jürgen Ott, Maren Wellenreuther   +4 more
openaire   +2 more sources

SHIFT DEVICE FOR A RANGE-CHANGE TRANSMISSION AND METHOD FOR CONTROLLING A SHIFT DEVICE FOR A RANGE-CHANGE TRANSMISSION

2008
The present invention relates to a shift device (1) for a range-change transmission with a servo assistance device (8), with a shift rail (7) for shifting the gear stages of a range, and with a range shift rail (13) for shifting the ranges of the range-change transmission, wherein the range shift rail (13) can be moved from a first shift position in ...
ZAHNRADFABRIK FRIEDRICHSHAFEN, HOERING GERHARD, PREUSS MICHAEL   +2 more
openaire   +1 more source

Combining range and phenology shifts offers a winning strategy for boreal Lepidoptera

Ecology Letters, 2021
Maria H Hällfors, Juha Pöyry, Janne Heliölä   +2 more
exaly  

Climate‐driven range shifts of montane species vary with elevation

Global Ecology and Biogeography, 2021
Margaret A Mamantov, Daniel K Gibson-Reinemer, Ethan B Linck   +2 more
exaly  

Managing human-mediated range shifts: understanding spatial, temporal and genetic variation in marine non-native species

Philosophical Transactions of the Royal Society B: Biological Sciences, 2022
Luke E Holman, Shirley Parker-Nance, Simon Creer   +2 more
exaly