Missing part of the topographic phase band

Microwave Toolbox
1

When I tried to use ace 30 DEM to generate the topographic phase band, there were some missing interference bands. I tried to use other Dems, and so did the results.

2021-08-20 23-13-51 的屏幕截图
2021-08-20 23-13-51 的屏幕截图754×250 33.7 KB

2021-08-20 23-11-41 的屏幕截图
2021-08-20 23-11-41 的屏幕截图1414×625 99.5 KB

2

Is your SNAP installation fully updated?

3

Sure,I have updated the sentinel-1 toolbox