搜索结果: 1-15 共查到“理学 flight”相关记录28条 . 查询时间(0.125 秒)
The flight of insects may look effortless but, as with any animal, their movements would be wildly uneven without an intricate system of neural signaling and muscle response to stabilize and steer the...
Weather surveillance radar data shows 45 million insects taking flight over brightly lit city（图）
Weather surveillance radar data 45 million insects flight lit city
2021/4/16
The expansion of artificial night lights globally has had important impacts on animal behavior and health. A new study led by researchers at the University of Oklahoma on the effects of brig...
Researchers at Stanford create new method for recording bird flight in 3D
Researchers Stanford recording bird flight 3D
2017/4/27
The wind rushing between skyscrapers is a substantial hurdle for anyone interested in operating small drones in urban areas. Yet, pigeons seem to have little trouble maneuvering through turbulent city...
Losing the ability to fly gave ancient penguins their unique locomotion style. But leaving the sky behind didn’t cause major changes in their brain structure, researchers from The University of T...
A new methodology for in-flight radiometric calibration of the MIVIS imaging sensor
hyperspectral airborne scanner MIVIS radiometric calibration data quality
2015/9/7
Sensor radiometric calibration is of great importance in computing physical values of radiance of the investigated targets, but often airborne scanners are not equipped with any in-flight radiometric ...
Fruit Flies Modulate PassiveWing Pitching to Generate In-Flight Turns
In-Flight Turns PassiveWing Pitching
2015/8/25
Flying insects execute aerial maneuvers through subtle manipulations of their wing motions. Here, we
measure the free-flight kinematics of fruit flies and determine how they modulate their wing pitch...
Comparison of Trypodendron lineatum, T. domesticum and T. laeve (Coleoptera: Curculionidae) flight activity in Central Europe
striped ambrosia beetle hardwood ambrosia beetle
2015/5/5
The main goal of work was to compare the flight activity of Trypodendron lineatum, T. domesticum and
T. laeve in Central Europe. Field trapping experiments were conducted in 70- to 100-year-old Norw...
Comparison of Trypodendron lineatum, T. domesticum and T. laeve (Coleoptera: Curculionidae) flight activity in Central Europe
striped ambrosia beetle hardwood ambrosia beetle
2015/5/5
The main goal of work was to compare the flight activity of Trypodendron lineatum, T. domesticum and
T. laeve in Central Europe. Field trapping experiments were conducted in 70- to 100-year-old Norw...
Tiny muscles help bats fine-tune flight, stiffen wing skin
Tiny muscles bats fine-tune flight stiffen wing skin
2014/6/19
Bats appear to use a network of hair-thin muscles in their wing skin to control the stiffness and shape of their wings as they fly, according to a new study. The finding provides new insight about the...
THE FUTURE SPACEBORNE HYPERSPECTRAL IMAGER ENMAP: ITS IN-FLIGHT RADIOMETRIC AND GEOMETRIC CALIBRATION CONCEPT
Geometric Calibration Radiometric Calibration Hyper spectral Satellite
2014/4/25
The German Aerospace Center DLR – namely the Earth Observation Center EOC and the German Space Operations Center GSOC – is responsible for the establishment of the ground segment of the future German ...
Evolution of optimal Levy-flight strategies in human mental searches
Evolution of optimal Levy-flight strategies human mental searches Computer Science and Game Theory
2012/4/20
Recent analysis of empirical data [F. Radicchi, A. Baronchelli & L.A.N. Amaral. PloS ONE {\bf 7}, e029910 (2012)] showed that humans adopt L\'evy flight strategies when exploring the bid space in on-l...
Measurement of cosmic-ray antiproton spectrum at solar minimum with a long-duration balloon flight in Antarctica
Measurement cosmic-ray antiproton spectrum solar minimum long-duration balloon
2011/10/18
The energy spectrum of cosmic-ray antiprotons has been measured in the range 0.17 to 3.5 GeV, based on 7886 antiprotons collected by the BESS-Polar II instrument during a long-duration flight over Ant...
Characterization of the sources and processes of organic and inorganic aerosols in New York city with a high-resolution time-of-flight aerosol mass apectrometer
organic and inorganic aerosols New York city a high-resolution time-of-flight aerosol mass apectrometer
2011/2/25
Submicron aerosol particles (PM1) were measured in-situ using a High-Resolution Time-of-Flight Aerosol Mass Spectrometer during the summer 2009 Field Intensive Study at Queens College in New York, NY....
Thermal soaring flight of birds and unmanned aerial vehicles
Thermal soaring flight of birds unmanned aerial vehicles
2011/1/5
Thermal soaring saves much energy, but flying large distances in this form represents a great challenge for birds, people and Unmanned Aerial Vehicles (UAVs). The solution is to make use of so-called ...
In-flight dissipation as a mechanism to suppress Fermi acceleration
In-flight dissipation mechanism suppress Fermi acceleration
2010/11/10
Some dynamical properties of time-dependent driven elliptical-shaped billiard are studied. It was shown that for the conservative time-dependent dynamics the model exhibits the Fermi acceleration [Ph...