School of Mechanical;
Electrical&Information Engineering;
Shandong University;
Weihai 264209;
China;
Laboratory for ElectromAgnetic Detection;
Institute of Space Sciences;
Shandong University;
Weihai 264209;
China;
CAS Key Laboratory of Solar Activities;
National Astronomical Observatories;
Chinese Academy of Sciences;
Bejjing 100101;
China;
Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment;
School of Space Science and Physics;
Institute of Space Sciences;
Shandong University;
Weihai 264209;
China;
instrumentation:spectrographs; techniques:spectroscopic; techniques:interferometric;