matlab脉冲发生器 脉冲发生器matlab程序.doc

matlab脉冲发生器 脉冲发生器matlab程序 function p=pulsegen(fs,T,edge,type,f,opt); %p=pulsegen(fs,T,edge,type,f,opt); %a signal generation program %fs is the sampling frequency %T is the total signal length %edge is a decay parameter for some waveforms % it is used in #39;gaussian#39;, #39;monocycle#39;, #39;biexponential#39;, #39;mexican hat#39;, #39;sinc#39;, #39;double sinc#39;, #39;sinc squared#39; % and windowed sweep % it is mostly a parameter to describe how much the edge of the pulse is decayed. %type is the type of the waveform desired % allowable types are #39;gaussian#39;, #39;square#39;, #39;triangle#39;, #39;monocycle#39;, % #39;biexponential#39;, #39;mexican hat#39;, #39;sinc#39;, #39;double sinc#39;, #39;sinc squared#39;,#39;sweep#39;, and #39;windowed sweep#39; %f is the modulation frequency if left out it is assumed 0. %opt is an optional argument for pulse waveforms requiring a lower and higher frequency % it is used in #39;double sinc#39; ,#39;sweep#39; and #39;windowed sweep#39; for the low and high frequency. % the pulses are always normalized to a peak amplitude of 1