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检索条件"主题词=Active-Passive Radiolocation of Dangerous Natural Phenomena"
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active-passive radiolocation of dangerous natural phenomena
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Advances in Atmospheric Sciences 1990年 第3期7卷 376-382页
作者： L.G.Kachurin Lenmgrad Hydrometeorological Institute Malookhtinski 98 195196 Leningrad USSRn nature one observes strong deviations from thermodynamic equilibrium. The most dangerous natural phenomena proceeding in a thermodynamically irreversible way are accompanied by the initiation of nonthermal impulse radio and optical radiation the intensity and amplitude-frequency characteristics of which may serve as a measure of irrcversihility white making the passive radiolocation and simultaneously as an information characteristic of the degree of the phenomenon's approach to the stage of maximum development.The active radiolocation of natural phenomena at the stage of thermodynamic irreversibility has a number of distinct features caused by the high speed of their progress and anomalies of the dielectric properties and accordingly effective scattering area of natural radio targets.The above is the physical basis of the method proposed by the author that of the active-passive radiolocation of dangerous natural phenomena such as thunderstorms-both naturally developing and provoked by flying vehicles or other modifying means avalanches landslides catastrophic atmospheric eddies and showers sudden destruction of sea. river and lake ice and so on.Active-passive radar sounding of cloudiness presumes radical changes in the air traffic control in thunderous situations in the take-off and landing areas of flying vehicles as well as along the airways.Thermodynamic irreversibility turns out to be an important factor in the process of the interaction of ice with heavy-duty icebreakers (nuclear-powered vessels) causing their anomalous corrosion. The non-thermal radio radiator arising at the deformation of ice cover under the pressure of an icebreaker or under the action of wind load may he used while choosing the route and tactics of the ice-breaker's progress for the hydrometeorological service of oth-er sea and coastal operations. The completed investigations of the thermodynamically irreversible natural phenomena have found practic
In nature one observes strong deviations from thermodynamic equilibrium. The most dangerous natural phenomena proceeding in a thermodynamically irreversible way, are accompanied by the initiation of nonthermal impulse... 详细信息
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