平凉陆面过程与灾害天气观测研究站 - Powered by WizSite+
您的位置:  首页 > 科学研究 > 科研成果
  • 关键词:
    摘要: 本实用新型公开一种利用车载偏振天气雷达与电场仪在野外联合观测雷暴云内闪电的系统,是由车载偏振雷达、电场仪、高精度GPS时钟天线、数据传输天线组成。在距车载偏振雷达中心观测场等距离处分别架设电场仪,并为每台电场仪配备GPS时钟...
    发表年度:2016
  • 关键词:
    摘要: 本发明涉及一种防雨点带电的闪电快慢电场变化测量天线,其特征是信号感应金属平板上下方置有2#铜接线垫片,2#铜接线垫片上方固定中心开孔的高绝缘伞形支柱,其顶端固定抛物形接地金属罩,高绝缘伞形支柱与抛物形接地金属罩固接处置有...
    发表年度:2016
  • 关键词:闪电三维定位网络, 测量精度, 标准偏差, 几何模型, 理论误差
    摘要:

    利用自制的探空球载闪电模拟源对青海大通地区建立的闪电VHF 辐射源三维定位网络的精确度进行了实验研究, 通过探空闪电模拟源携带的GPS 飞行轨迹, 对观测网络中心上空附近和网络外辐射源定位的误差进行了估算, 并与模型理论计算作比....

    发表年度:2015
  • 关键词:Positive CG lightning flash, Positive leader, In-cloud discharge process, Optical images, Electric field change
    摘要:

    The characteristics of five downward positive cloud-to-ground (CG) flashes were analyzed based on images from a high-speed video camera and electric field (E-field) changes from slow antenna and fast antenna systems...

    发表年度:2015
  • 关键词:Electric field, charge structure, Charge density
    摘要:

    An electric field sounding system, based on corona discharge, was designed to measure the vertical component of the electric fields in a thunderstorm. The decay stage of a thunderstorm that occurred during the night...

    发表年度:2015
  • 关键词:natural bipolar cloud-to-ground lightning, leader, spectra, M component, luminosity of channel
    摘要:

    A natural bipolar cloud-to-ground lightning with two return strokes has been recorded with a slitless spectrograph. The subsequent positive stroke occurred retracing the preexisting channel created by the first nega...

    发表年度:2015