Getting good sleep is critical. A 2018 study found that people who sleep for five to six hours are 19 percent less productive than people who regularly sleep for seven to eight hours per night. People ...
Abstract: On-orbit monitoring of visual axis pointing has always been a challenge in the field of space remote sensing, but it is crucial for correcting the remote sensing data, improving the ...
Abstract: The time-frequency signatures of rotating and vibrating targets due to micro-Doppler effect often deteriorated caused by occlusion, multi-trajectory overlap, and low signal-to-noise ratios.