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1、Average Power of Non-sinusoidal Periodic Signal Circuits Average power of non-sinusoidal periodic signal circuits i tN-+u t 0kikk=12sin ki tIIt 0kukk=12sin ku tUUt pu t i tInstantaneous power 0011ddTTPp ttu t i ttTTAverage power 0kuk0kik0k=1k=112sin k2sin kTUUtIItdtT00mn00U Ikikkik2sin k2sin kUtIt0k
2、ik2sin kUIt、0kuk2sin kIUtmumnin2sin m2sin nUtIt00U IkkukikcosU I0kuk0kik0k=1k=112sin k2sin kTPUUtIItdtT00kkk0kk=1k 1cosPU IU IPPkukikAverage value in a period 4 types in Practice problem:The voltage and current of a two-terminal port are:=100 100sin50sin230sin3 Vu ttttFind average power.=10sin602sin 3135Ai ttt110010cos 060250W22P 0000PU I20P 3302cos 013521.2W22P 0123228.8WPPPPPSolution：