pst-sigsys – Sup­port of sig­nal pro­cess­ing-re­lated dis­ci­plines

The pack­age of­fers a col­lec­tion of use­ful macros for dis­ci­plines re­lated to sig­nal pro­cess­ing. It de­fines macros for plot­ting a se­quence of num­bers, draw­ing the pole-zero di­a­gram of a sys­tem, shad­ing the re­gion of con­ver­gence, cre­at­ing an adder or a mul­ti­plier node, plac­ing a framed node at a given co­or­di­nate, cre­at­ing an up-sam­pler or a down-sam­pler node, draw­ing the block di­a­gram of a sys­tem, draw­ing adap­tive sys­tems, se­quen­tially con­nect­ing a list of nodes, and con­nect­ing a list of nodes us­ing any node-con­nect­ing macro.