Genetic Programming Method for Satellite System Topology and Parameter Optimization

Table 1

Definition of operator set and terminator set.

Node category	Node symbol	Corresponding nodes in the tree structure
Operator set	“Satellite”	The 1^st level nodes of the tree structure
	“Subsystem”	The subsystem nodes in the 2^nd level
	“Parameters”	The subsystem parameter branch nodes in the 2^nd level
	“Devices”	The devices branch nodes in the 2^nd level
	“DeviceCategory”	The device category nodes in the 3^rd level
	“DeviceType”	The device type nodes in the 4^th level
Terminator set	“Name”	The device type name nodes in the 5^th level
	“NUM”	The device number nodes in the 5^th level
	“ParaInfo”	The parameter information nodes in the 3^rd level