提出了利用中国区域定位系统(Chinese Area Positioning System,CAPS)和CAPS终端开展海洋资料浮标通讯和导航的一种新方法。根据海洋资料浮标发送数据量大而接收数据量小的特点,创新性地提出利用复合导航电文的方法,将通信地面站出站发...提出了利用中国区域定位系统(Chinese Area Positioning System,CAPS)和CAPS终端开展海洋资料浮标通讯和导航的一种新方法。根据海洋资料浮标发送数据量大而接收数据量小的特点,创新性地提出利用复合导航电文的方法,将通信地面站出站发送给通信卫星转发改为导航系统下行转发,将CAPS终端通信部分接收改为导航定位部分接收,成功地把CAPS终端发展到CAPS-OC(Chinese Area Positioning System-Ocean Communication,CAPS-OC)终端。海上实验表明CAPS-OC终端及CAPS系统可以满足各种海洋资料浮标的通讯和导航定位的功能要求,目前有两台CAPS-OC终端已经成功地应用在浅海大型锚系浮标观测系统的数据传输中。展开更多
In-situ observation is restricted by the strong wind and waves in the Southern Ocean.A Westerlies EnvironmentalMonitoring Buoy(WEMB)was firstly deployed in the Southern Ocean during China’s 35th Antarctic Expedition,...In-situ observation is restricted by the strong wind and waves in the Southern Ocean.A Westerlies EnvironmentalMonitoring Buoy(WEMB)was firstly deployed in the Southern Ocean during China’s 35th Antarctic Expedition,facilitating further understanding of the oceanic environmental characteristics of this region.With the develop-ment of technology and the improvement of data processing methods,the accuracy of satellite altimeter productsis constantly improved,thus making it possible to inspect and evaluate the in-situ observation data.Based on theL3 products of multiple satellite altimeters,this paper analyzes and corrects the significant wave height(SWH)data of WEMB by means of data matching,error statistics,and linear least-squares fitting.Through this study,the authors obtained the following results.The effect of gravitational acceleration changes with latitude on SWHaccuracy is fairly small.Due to the low response of WEMB to high-frequency waves,there is a systematic devia-tion.A feasible correction method is therefore proposed to improve the SWH accuracy of WEMB.The temporalvariation of the corrected SWH is highly consistent with that of the 10 m wind during the observation period,and its average value reaches 3.8 m.展开更多
文摘提出了利用中国区域定位系统(Chinese Area Positioning System,CAPS)和CAPS终端开展海洋资料浮标通讯和导航的一种新方法。根据海洋资料浮标发送数据量大而接收数据量小的特点,创新性地提出利用复合导航电文的方法,将通信地面站出站发送给通信卫星转发改为导航系统下行转发,将CAPS终端通信部分接收改为导航定位部分接收,成功地把CAPS终端发展到CAPS-OC(Chinese Area Positioning System-Ocean Communication,CAPS-OC)终端。海上实验表明CAPS-OC终端及CAPS系统可以满足各种海洋资料浮标的通讯和导航定位的功能要求,目前有两台CAPS-OC终端已经成功地应用在浅海大型锚系浮标观测系统的数据传输中。
基金supported by the National Key R&D Program of China[grant number 2017YFC1403300 and 2016YFC1401701]。
文摘In-situ observation is restricted by the strong wind and waves in the Southern Ocean.A Westerlies EnvironmentalMonitoring Buoy(WEMB)was firstly deployed in the Southern Ocean during China’s 35th Antarctic Expedition,facilitating further understanding of the oceanic environmental characteristics of this region.With the develop-ment of technology and the improvement of data processing methods,the accuracy of satellite altimeter productsis constantly improved,thus making it possible to inspect and evaluate the in-situ observation data.Based on theL3 products of multiple satellite altimeters,this paper analyzes and corrects the significant wave height(SWH)data of WEMB by means of data matching,error statistics,and linear least-squares fitting.Through this study,the authors obtained the following results.The effect of gravitational acceleration changes with latitude on SWHaccuracy is fairly small.Due to the low response of WEMB to high-frequency waves,there is a systematic devia-tion.A feasible correction method is therefore proposed to improve the SWH accuracy of WEMB.The temporalvariation of the corrected SWH is highly consistent with that of the 10 m wind during the observation period,and its average value reaches 3.8 m.
