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Hello, is there a problem with the calculation of interferogram? In the function: plot_model, inwrapped = (infile / 10 + np.pi) % (2 * np.pi) - np.pi应改为inwrapped = (infile / half_wave * 2.0 * np.pi + np.pi) % (2 * np.pi) - np.pi?
41 seconds in: an example of “Gl😅bal” Positioning Satellites is shown. Not located in “outer space” but on the ground as most are. The ones up above the sight blocking clouds are on balloons or slow moving drones. Geo Odyssey more like it.
Some course materials are available from the latest offering: www.unavco.org/event/2022-short-course-multi-gnss-precise-point-positioning-and-pride-ppp-ar/
SAR can be performed in a "stop and hop" fashion, so the doppler shift due to the motion of the antenna does not have anything to do with cross range resolution.
This course has finished but you can find more info here: www.unavco.org/event/2022-short-course-gnss-data-processing-and-analysis-with-gamit-globk-and-track/