Formal methods for test sequence generation from FSM have been studied widely andthoroughly,but most real communication systems can only be modeled as EFSM exac
The design of 1.3μm He-Ne single frequency laser for optical fiber communication is in-troduced.The scheme for obtaining steady single-mode oscillation by rais
Petri net has been used in system modeling and analyzing in many practical systems, but the system reliability has never been considered before, that is, system
A method of fabricating pure germanium dioxide hollow-core fibers has been introduced for the first time. The inner diameter of the fiber is φ0.8mm, with the t