The exception propagation graph (EPG) that describes the large programs with exception handling constructs is proposed by simplifying the control flow graph and it is applied to a case to verify its validity.

Exception propagation induces a control flow other than the main control flow,so it changes the data flows,control flows of programs and the dependence relationshi Pbetween the structure elements of programs.

To solve the problem that the representation is too complex in describing exception propagation path,based on C++ exception handling,this paper proposes an exception control flow graph model.

It is a cross-issue involving many subjects simultaneously for us to study the photonic tunneling effect or the anomalous propagation of electromagnetic wave, and, as a young and spunky field, it has theoretical and practical interest.

Analysis of propagation constant of array waveguide

The article discusses the transformation of elliptical section into circular one, and presents the propagation constant expressions.

The transfer function method is applied to investigate on characteristic impedance and acoustic propagation constant of the regenerator in the acoustic-driven thermoacoustic apparatus.