How to read sentinel1A-IW-slc beam-dimap data with matlab?

I want to use the matlab to process the sentinel1A-IW-slc data, but I can’t open this data type. How do I get the complex matrix of that kind of data? I have tried it for a long time.

You can try to open your dimap format product in SNAP and export the product in geotiff format. Then read the geotiff file into matlab using imread command. You probably need save the I and Q bands separately into two different geotiff files