Energy compatibility emerges as the surface phenomena of electromagnetic compatibility. With theories and technologies limited to electromagnetic energy
it may lead to technical dilemma or higher costs. The concept of EMC is stated through energy compatibility and related models.The design of EMC with energy compatibility is preliminarily discussed by taking airborne radar as an example. Using the concept of energy compatibility design is helpful to deal with the inducing factors of EMC and provide requirements for planning
prevention and treatment of EMC problems in design.