doris software package provides Delft object-oriented radar interferometric software, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install doris
doris is installed in your system.
Make ensure the doris package were installed using the commands given below,
$ sudo dpkg-query -l | grep doris *
You will get with doris package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Science |
| Package | doris |
| Version | 4.06~beta2+dfsg-3+b1 |
| Description | Delft object-oriented radar interferometric software |
| Sub Section | Science |