A5000169612- Optical measurement and interference techniques
- Spacecraft and Cryogenic Technologies
- Antenna Design and Optimization
- Precipitation Measurement and Analysis
- Electromagnetic Scattering and Analysis
- Indoor and Outdoor Localization Technologies
- Soil Moisture and Remote Sensing
- Calibration and Measurement Techniques
- Atmospheric Ozone and Climate
National Space Science Center
2004-2018
Chinese Academy of Sciences
2018
A newly designed thermal/vacuum (T/V) prelaunch multiangle calibration test is proposed for Microwave Humidity and Temperature Sounder (MWHTS) onboard the Feng Yun 3D satellite. Compared with other existing tests at fix scan angle, this first to analyze measurements of MWHTS from multiscan angles. set comprehensive method established used data processing. The high-quality preprocessing methods are performed. Essential coefficients such as cold bias, hot nonlinearity coefficients, results...
Synthetic aperture radiometer applies the interferometric principle to sample in spatial frequency domain and retrieve image by Fourier or other numerical transformation. Using this technology, a substantial reduction can be obtained compared conventional imaging radiometer. In paper, study on least redundant two-dimensional array configuration is presented with simulation examples two types of configurations. One uses half-circle number elements taking rotating array. The selects element...
The fidelity of image reconstruction SPORT depends on samplings in the Fourier transform domain scene performed by its antennas array. Research this paper aims at finding optimal layout receiving elements which is fitting for SPORT. Simulated annealing applied to solutions N = 8,10,12,14. simulation results show that centers gravity optimized antenna arrays are situated center circle. Spatial frequency covered evenly sampling points after rotation Moreover, redundancy baselines minimized....