请哪位大吓帮翻译一下这段英文,谢谢.
Althoughagivenwaveformmaycontainfrequenciesoveraverybroadrange,asapracticalmatteranytransmissionsystemwillbeabletoaccommodateonlyalimitedbandof(71).This,inturn,limitsthedataratethatcanbecarriedonthetransmission(72).Asquarewavehasaninfinitenumberoffrequencycomponentsandhenceaninfinite(73).However,thepeakamplitudeofthekthfrequencycomponent,kf,isonly1/k,somostofthe(74)inthiswaveformisinthefirstfewfrequencycomponents.Ingeneral,anydigitalwaveformwillhave(75)bandwidth.Ifweattempttotransmitthiswaveformasasignaloveranymedium,thetransmissionsystemwilllimitthebandwidththatcanbetransmitted.
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