搜索结果: 1-15 共查到“理学 weather radar”相关记录21条 . 查询时间(0.468 秒)
Weather radar records drastic drop in mayfly populations（图）
Weather radar drastic drop mayfly populations
2020/2/20
At the beginning of each summer, mayfly larvae emerge from bodies of water and shed their skin to become full-fledged mayflies, similar to the way in which caterpillars become butterflies.
Scientists track nighttime bird migration using weather radar
Scientists nighttime bird migration weather radar
2016/2/23
Using recently developed techniques for analyzing Doppler weather radar data, researchers looked at the impediments -- crosswinds and oceans -- facing nighttime-migrating birds in eastern North Americ...
OU Students Use Nation’s Weather Radar Network to Track Bird Migration at Night
OU Students Nation’s Weather Radar Network Track Bird Migration at Night
2015/7/13
Using the nation’s weather radar network, two University of Oklahoma doctoral students have developed a technique for forecasting something other than the weather: the orientation behavior of birds as...
2014 International Weather Radar and Hydrology Symposium
2014 International Weather Radar and Hydrology Symposium
2014/4/2
The 2014 International Weather Radar and Hydrology symposium will cover a wide variety of topics related to hydrological, hydro-meteorological, hydro-climatological and water management applications o...
Preliminary evaluation of polarimetric parameters from a new dual-polarization C-band weather radar in an alpine region
Preliminary evaluation of polarimetric parameters new dual-polarization C-band weather radar alpine region
2010/9/10
The first operational weather radar with dual polarization capabilities was recently installed in Austria. The use of polarimetric radar variables rises several expectations: an increased accuracy of ...
Overview of the Greater Lyon weather radar advances from 90's to 2008
Overview Greater Lyon weather radar advances
2010/9/10
The local weather radar of Lyon, part of the Aramis network of Meteo-France, is currently located 40 km from the urban community. The measurement quality of this tool is subjected to constant improvem...
Dual-polarization C-band weather radar algorithms for rain rate estimation and hydrometeor classification in an alpine region
Dual-polarization C-band weather rain rate
2010/2/3
Dual polarization is becoming the standard for new weather radar systems. In contrast to conventional weather radars, where the reflectivity is measured in one polarization plane only, a dual polariza...
Rainfall estimation and ground clutter rejection with dual polarization weather radar
Rainfall estimation ground clutter rejection
2010/1/27
Conventional radars, used for atmospheric remote sensing, usually operate at a single polarization and frequency to estimate storm parameters such as rainfallrate and water content.
Hydrometeor classification from dual-polarized weather radar: extending fuzzy logic from S-band to C-band data
Hydrometeor classification dual-polarized weather
2010/1/27
A model-based fuzzy classification method for C-band polarimetric radar data, named Fuzzy Radar Algorithm for Hydrometeor Classification at C-band (FRAHCC), is presented. Membership functions are desi...
An adaptive neuro-fuzzy inference system for the post-calibration of weather radar rainfall estimation
adaptive neuro-fuzzy inference system post-calibration weather radar rainfall estimation
2009/12/4
An Adaptive Neuro-Fuzzy Inference System, based on a jack-knife approach, is proposed for the post-calibration of weather radar rainfall estimation exploiting available raingauge observations. The met...
A GIS methodology for the analysis of weather radar precipitation data
AGIS methodology analysis weather radar precipitation data
2009/12/4
A GIS multi-component module was developed within the ArcView GIS environment for processing and analysing weather radar precipitation data. The module is capable of: (a) reading geo-reference radar d...
Digital Processing of Weather Radar Data at the Department of Meteorology,University of Helsinki
weather data rada Meteorology Processing fluctuations
2009/6/18
Digital Processing of Weather Radar Data at the Department of Meteorology, University of Helsinki.
Lossless Compression of Interpolated and Raw MRL-5 Weather Radar Data
Lossless Compression Raw MRL-5 Weather Radar
2009/6/12
Lossless Compression of Interpolated and Raw MRL-5 Weather Radar Data
A grid-based distributed flood forecasting model for use with weather radar data：Part 2. Case studies
flood forecasting model rainfall-runoff model weather radar data
2009/6/5
A simple distributed rainfall-runoff model, configured on a square grid to make best use of weather radar data, was developed in Part 1 (Bell and Moore, 1998). The simple form of the basic model, ref...
Relation between weather radar equation and first-order backscattering theory
weather radar equation first-order backscattering theory
2009/3/11
Aim of this work is to provide a new insight into the physical basis of the meteorological-radar theory in attenuating media. Starting form the general integral form of the weather radar equation, a m...