dr qadri hamarsheh outline discrete time signals introduction plotting discrete time signals sampling process discrete time signal representations important d t signals digital signals discrete time signals introduction the time ...
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...Dr qadri hamarsheh outline discrete time signals introduction plotting sampling process signal representations important d t digital the variable is said to be a if takes on only values tn for some range of integer n example that function in other words has defined at points so sequence numbers indexed by integers brackets indicates xn parenthesis c stem plot emphasizes does not exist between sometimes we with line segments connecting dots matlab x given all this see figure can generated following commands chapter m script using need two vectors one dimensional first vector defines horizontal axes samples calculate second vertical filled xlabel ylabel title axis most common ways which arise describe as switch closes briefly every seconds shown output viewed where resulting called sampled version original and interval methods uniform constant nonuniform definition value any tnt nt frequency or rate f s question how fast should sample specific slightly more than twice highest cd audio pe...