AbstractBased on the theory of wave digital filters (WDFs), new model is derived to representmatched filter for radar applications, derived from lumped/distributed laddernetworks. This model contains lumped elements and commensurate transmissionlines. This paper also introduced a real-time implementation of the proposed model.We will demonstrate that this approach can be implemented in real time, althoughwith this prototype the frequencies are too low for practical radar applications. Thereal-time implementation is performed based on input/output data acquisition cardusing MATLAB, SIMULINK toolbox, Real-Time Workshop (RTW) toolbox andReal-Time Windows target (RTWT) toolbox. In addition, real-time windows targetrequires the Watcom C/C++ compiler.