The critical technology that enables standoff through-the-wall radar imaging has been the development of a small, low power, software defined radar sensor module. Software control of the radar allows the user to control emissions both to tailor sensor performance to specific operational requirements, and to simplify compliance with spectrum management regulations.
Different systems can be configured using a single radar sensor as the common sensing element. The modular nature of the radar has allowed the development of special interface and antenna boards that facilitate the implementation of each system. Implementation of each system differs primarily in the number and types of radars employed, and the system control and communication link used.