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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/73393


    Title: 新的GNSS與Radar技術與應用發展-電離層經驗模式發展與其應用於GNSS定位校正與信號失鎖預測 ( I ~ III );Development of Ionospheric Empirical Model and Its Applications on Gnss Positioning and Signal Unlock Prediction ( I ~ III )
    Authors: 蔡龍治
    Contributors: 國立中央大學太空及遙測研究中心 
    Keywords: 電離層電子密度模式;GPS/GNSS定位;GPS/GNSS信號失鎖現象;Ionospheric model;GPS/GNSS positioning;GPS/GNSS signal unlock;土木水利工程
    Date: 2017-08-01
    Issue Date: 2017-08-02 11:33:23 (UTC+8)
    Publisher: 科技部 
    Abstract: 本計畫目的在應用福爾摩沙衛星GNSS信號掩星觀測資料,完成太空電離層電子密度現報經驗模式,進一步應用該模式於GNSS定位時的電離層延遲校正,與電離層不規則體發生時造成GNSS信號失鎖現象的預測方法。計畫主持人已發展出電離層参數映射技術,根據適當的二維球面諧波函數最佳化加上垂直雀普曼(Chapman)函數最佳化將GNSS電波掩星觀測電離層電子密度分布做全球分布的展開,以近及時監測並研究電離層全球的動態變化,建立台灣第一套自主的全球電離層數值模式,我們將此全球電離層數值模式命名為TWIM (the T;A three-dimensional ionospheric electron density (Ne) model has been named the TaiWan Ionospheric Model (TWIM) and constructed from global distributed ionosonde foF2 and foE data and vertical Ne profiles retrieved from FormoSat3/COSMIC GPS radio occul;研究期間:10608 ~ 10707
    Relation: 財團法人國家實驗研究院科技政策研究與資訊中心
    Appears in Collections:[Center for Space and Remote Sensing Research ] Research Project

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